Sample & Buy Product Folder Support & Community Tools & Software Technical Documents ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 ISO724x High-Speed, Quad-Channel Digital Isolators 1 Features 3 Description • The ISO7240, ISO7241 and ISO7242 are quadchannel digital isolators with multiple channel configurations and output enable functions. These devices have logic input and output buffers separated by TI’s silicon dioxide (SiO2) isolation barrier. Used in conjunction with isolated power supplies, these devices block high voltage, isolate grounds, and prevent noise currents from entering the local ground and interfering with or damaging sensitive circuitry. 1 • • • • • • • 25 and 150-Mbps Signaling Rate Options – Low Channel-to-Channel Output Skew; 1 ns Max – Low Pulse-Width Distortion (PWD); 2 ns Max – Low Jitter Content; 1 ns Typ at 150 Mbps Selectable Default Output (ISO7240CF) > 25-Year Life at Rated Working Voltage (See Application Note SLLA197 and Figure 16) 4 kV ESD Protection Operates With 3.3-V or 5-V Supplies High Electromagnetic Immunity (See Application Report SLLA181) –40°C to 125°C Operating Temperature Range Safety and Regulatory Approvals: – VDE 4000 VPK Basic Insulation per DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 – 2.5 kVRMS Isulation for 1 minute per UL 1577 – CSA Component Acceptance Notice #5A and IEC 60950-1 End Equipment Standard Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SOIC (16) 10.30 mm x 7.50 mm ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M (1) For all available packages, see the orderable addendum at the end of the datasheet. 2 Applications • • • • The ISO7240 has all four channels in the same direction while the ISO7241 has three channels in the same direction and one channel in opposition. The ISO7242 has two channels in each direction. Industrial Fieldbus Computer Peripheral Interface Servo Control Interface Data Acquisition Simplified Schematic VCCO VCCI Isolation Capacitor OUTx INx DISABLE ENx (ISO7240CF-only) or GNDI GNDO (1) VCCI and GNDI are supply and ground connections respectively for the input channels. (2) VCCO and GNDO are supply and ground connections respectively for the output channels. CTRL (ISO7240CF-only) 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com Table of Contents 1 2 3 4 5 6 7 Features .................................................................. Applications ........................................................... Description ............................................................. Revision History..................................................... Description (Continued) ........................................ Pin Configurations and Functions ....................... Specifications......................................................... 1 1 1 2 6 7 8 7.1 7.2 7.3 7.4 7.5 Absolute Maximum Ratings ..................................... 8 ESD Ratings.............................................................. 8 Recommended Operating Conditions....................... 8 Thermal Information .................................................. 9 Electrical Characteristics: VCC1 and VCC2 at 5-V Operation .................................................................. 9 7.6 Electrical Characteristics: VCC1 at 5-V, VCC2 at 3.3-V Operation ................................................................. 10 7.7 Electrical Characteristics: VCC1 at 3.3-V, VCC2 at 5-V Operation ................................................................. 11 7.8 Electrical Characteristics: VCC1 and VCC2 at 3.3 V Operation ................................................................. 12 7.9 Switching Characteristics: VCC1 and VCC2 at 5-V Operation ................................................................. 13 7.10 Switching Characteristics: VCC1 at 5-V, VCC2 at 3.3V Operation ............................................................. 14 7.11 Switching Characteristics: VCC1 at 3.3-V and VCC2 at 5-V Operation....................................................... 15 7.12 Switching Characteristics: VCC1 and VCC2 at 3.3-V Operation ................................................................ 16 7.13 Typical Characteristics .......................................... 17 8 9 Parameter Measurement Information ................ 19 Detailed Description ............................................ 22 9.1 9.2 9.3 9.4 Overview ................................................................. Functional Block Diagram ....................................... Feature Description................................................. Device Functional Modes........................................ 22 22 23 26 10 Application and Implementation........................ 27 10.1 Application Information.......................................... 27 10.2 Typical Application ................................................ 27 11 Power Supply Recommendations ..................... 33 12 Layout................................................................... 33 12.1 Layout Guidelines ................................................. 33 12.2 Layout Example .................................................... 33 13 Device and Documentation Support ................. 34 13.1 13.2 13.3 13.4 13.5 13.6 Device Support...................................................... Documentation Support ........................................ Related Links ........................................................ Trademarks ........................................................... Electrostatic Discharge Caution ............................ Glossary ................................................................ 34 36 36 36 36 36 14 Mechanical, Packaging, and Orderable Information ........................................................... 36 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Revision Q (January 2015) to Revision R Page • Changed Features From: "Basic Isolation per DIN EN 60747-5-5 (VDE 0884-5) & DIN EN 61010-1" To:"Basic Insulation per DIN V VDE V 0884-10 (VDE V 0884-10):2006-12" ......................................................................................... 1 • Changed VCC1 To VCCI, VCC2 To VCCO, GND1 To GNDI, and GND2 To GNDO, and added Notes 1 and 2 to the Simplified Schematic .............................................................................................................................................................. 1 • Changed VOH MIN values From: VCC - 0.8 To: VCCO - 0.8 and VCC - 0.1 To: VCCO - 0.1 in the Electrical Characteristics: VCC1 and VCC2 at 5-V (2) Operation ............................................................................................................... 9 • Changed VOH Test Condition ISO7240 To: 3.3-V side and the MIN value From: VCC - 0.4 To VCCO -0.4 in the Electrical Characteristics: VCC1 at 5-V, VCC2 at 3.3-V (3) Operation ....................................................................................... 10 • Changed VOH Test Condition ISO724x (5-V side) To: 5-V side and the MIN value From: VCC - 0.8 To: VCCO - 0.8 in the Electrical Characteristics: VCC1 at 5-V, VCC2 at 3.3-V (3) Operation ................................................................................. 10 • Changed VOH, Test Condition IOH = -20 µA MIN value From: VCC - 0.1 To VCCO - 0.1 in the Electrical Characteristics: VCC1 at 5-V, VCC2 at 3.3-V (3) Operation................................................................................................................................. 10 • Changed VOH Test Condition ISO7240 To: 3.3-V side and the MIN value From: VCC - 0.4 To VCCO -0.4 in the Electrical Characteristics: VCC1 at 3.3-V, VCC2 at 5-V (4) Operation ....................................................................................... 11 • Changed VOH Test Condition ISO724x (5-V side) To: 5-V side and the MIN value From: VCC - 0.8 To: VCCO - 0.8 in the Electrical Characteristics: VCC1 at 3.3-V, VCC2 at 5-V (4) Operation ................................................................................. 11 • Changed VOH, Test Condition IOH = -20 µA MIN value From: VCC - 0.1 To VCCO - 0.1 in the Electrical Characteristics: VCC1 at 3.3-V, VCC2 at 5-V (4) Operation................................................................................................................................. 11 • Changed VOH MIN values From: VCC - 0.4 To: VCCO - 0.4 and VCC - 0.1 To: VCCO - 0.1 in the Electrical Characteristics: VCC1 and VCC2 at 3.3 V (5) Operation ........................................................................................................... 12 • Changed VCC1 To: VCCI and VCC2 To: VCCO in Figure 13 ...................................................................................................... 21 • Changed section title From: DIN EN 60747-5-5 Insulation Characteristics To: DIN V VDE V 0884-10 (VDE V 0884- 2 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 Revision History (continued) 10):2006-1 Insulation Characteristics (1) ............................................................................................................................... 23 • Changed RS Test Conditions From: VIO = 500 V at TS To: VIO = 500 V at TS = 150°C in the DIN V VDE V 0884-10 (VDE V 0884-10):2006-1 Insulation Characteristics (6) table................................................................................................. 23 • Changed the CTI Test Conditions From: IEC 60112/VDE 0303 Part 1 To: DIN EN 60112 (VDE 0303-11); IEC 60112 in the Package Characteristics table ................................................................................................................................... 23 • Deleted CI - Input capacitance to ground from the Package Characteristics table ............................................................. 23 • Changed title From: IEC Safety Limiting Values To: Safety Limiting Values ....................................................................... 24 • Changed Figure 17 title From: Thermal Derating Curve per DIN EN 60747-5-5 To: Thermal Derating Curve per VDE .... 24 • Changed "DIN EN 60747-5-5 & DIN EN 61010-1" To: DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 and DIN EN 61010-1 (VDE 0411-1): 2011-07 in the Regulatory Information table.................................................................................. 25 (1) Climatic Classification 40/125/21 Changes from Revision P (August 2014) to Revision Q Page • Changed the VI MAX value in the Absolute Maximum Ratings table From: 6 V To: VCC + 0.5 V .......................................... 8 • Added Note 3 to the Absolute Maximum Ratings table.......................................................................................................... 8 • Changed the Handling Rating table to the ESD Ratings table. ............................................................................................. 8 • Moved TSTG - Storage From the ESD Ratings table to the Absolute Maximum Ratings table .............................................. 8 • Added one row to Table 2. Values: X, PD, X, X, Undetermined ......................................................................................... 26 • Added one row to Table 3. Values: X, PD, X, X, X, Undetermined .................................................................................... 26 • Changed Figure 18 labels From: "ISO7240CF Input" To: "ISO7240CF Input, Disable" and From: "Enable" To: "Enable, Control" ................................................................................................................................................................. 26 Changes from Revision O (November 2012) to Revision P Page • Added Pin Configuration and Functions section, Handling Rating table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section ................................................................................................................................................................................... 1 • Changed ISO7241C minimum supply from 2.8 V to 3.15 V................................................................................................... 8 Changes from Revision N (January 2012) to Revision O • Page Added the Safety Limiting Values section ............................................................................................................................ 24 Changes from Revision M (January 2011) to Revision N Page • Changed Feature From: Operates 3.3-V or 5-V Supplies To: Operates With 2.8-V (ISO7241C), 3.3-V or 5-V Supplies ..... 1 • Added device options to VCC in the RECOMMENDED OPERATING CONDITIONS table ................................................... 8 • Changed Table Note (1) ......................................................................................................................................................... 8 • Changed ICC1 and ICC2 test conditions in the VCC1 and VCC2 at 5-V Electrical Characteristics: VCC1 and VCC2 at 5-V (2) Operation table ....................................................................................................................................................................... 9 • Changed Table Note (1) ......................................................................................................................................................... 9 • Changed ICC1 and ICC2 test conditions in the VCC1 at 5-V, VCC2 at 3.3-V Electrical Characteristics: VCC1 at 5-V, VCC2 at 3.3-V (3) Operation table ........................................................................................................................................................ 10 • Changed Table Note (1) ....................................................................................................................................................... 10 • Changed ICC1 and ICC2 test conditions in the VCC1 at 3.3-V, VCC2 at 5-V Electrical Characteristics: VCC1 at 3.3-V, VCC2 at 5-V (4) Operation table ....................................................................................................................................................... 11 • Changed Table Note (1) ....................................................................................................................................................... 11 Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 3 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com • Changed ICC1 and ICC2 test conditions in the VCC1 and VCC2 at 3.3 V table .......................................................................... 12 • Added ELECTRICAL and Switching CHARACTERISTICS tables forVCC1 and VCC2 at 2.8V (ISO722xC-only)................... 12 • Changed Table Note (1) ....................................................................................................................................................... 12 • Changed Figure 6 From VCC1 Failsafe Threshold To: VCC Undervoltage Threshold............................................................ 17 • Changed the CTI MIN value From: ≥175 V To:≥400 V ........................................................................................................ 23 • Changed the Regulatory Information table........................................................................................................................... 25 Changes from Revision L (January 2010) to Revision M Page • Changed Figure 9, Figure 11, and Figure 12 ....................................................................................................................... 19 • Changed the CSA File Number From: 1698195 To: 220991 ............................................................................................... 25 Changes from Revision K (Decemberl 2009) to Revision L Page • Added the IEC 60747-5-2 INSULATION CHARACTERISTIC table..................................................................................... 23 • Added the IEC 60664-1 RATINGS TABLE .......................................................................................................................... 23 • Added CTI - Tracking resistance (comparative tracking index to the Package Characteristics table.................................. 23 Changes from Revision J (April 2009) to Revision K Page • Changed the Input circuit in the DEVICE I/O SCHEMATICS illustration ............................................................................... 1 • Added Note 1 to LI01), and changed the MIN value From: 8.34 To 8 mm in the Package Characteristics table .............. 23 • Added Note 1 to LI02), and changed the MIN value From: 8.1 To 8 mm in the Package Characteristics table ................ 23 Changes from Revision I (December 2008) to Revision J Page • Changed ICC1 for Quiescent and 1Mbps From: 10mA To: 11mA ........................................................................................... 9 • Changed ICC1 for Quiescent and 1Mbps From: 10mA To: 11mA ......................................................................................... 10 Changes from Revision G (July 2008) to Revision H Page • Added Device number ISO7240CF. ....................................................................................................................................... 1 • Added Features Bullet: Selectable Failsafe Output (ISO7240CF) ......................................................................................... 1 • Changed description paragraph 4 text. .................................................................................................................................. 6 • Changed VI in the Absolute Maximum Ratings table From: Voltage at IN, OUT, EN To: Voltage at IN, OUT, EN, DISABLE, CTRL ..................................................................................................................................................................... 8 • Added twake, Wake time from input disable ........................................................................................................................... 13 • Added twake, Wake time from input disable ........................................................................................................................... 14 • Added twake, Wake time from input disable ........................................................................................................................... 15 • Added twake, Wake time from input disable ........................................................................................................................... 16 Changes from Revision F (May 2008) to Revision G • 4 Page Changed the Package Characteristics table, line , L(IO1) MIN value from7.7mm to 8.34mm................................................ 23 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 Changes from Revision E (May 2008) to Revision F Page • Deleted ISO724xA devices. See SLLS905 for the ISO7240A, ISO7241A, and ISO7242A................................................... 1 • Changed Title From: QUAD DIGITAL ISOLATORS To: HIGH SPEED QUAD DIGITAL ISOLATORS................................. 1 • Changed Feature Low Jitter Content - From: 1, 25, and 150-Mbps Signaling Rate Options To: 25, and 150-Mbps Signaling Rate Options ........................................................................................................................................................... 1 • Added tsk(pp) footnote............................................................................................................................................................. 13 • Added tsk(o) footnote. ............................................................................................................................................................. 13 • Added tsk(pp) footnote............................................................................................................................................................. 16 • Added tsk(o) footnote. ............................................................................................................................................................. 16 Changes from Revision D (April 2008) to Revision E Page • Added Table Note (1): For the 5-V operation, VCC1 or VCC2 is specified from 4.5 V to 5.5 V. ............................................... 8 • Added Table Note (1): For the 5-V operation, VCC1 or VCC2 is specified from 4.5 V to 5.5 V .............................................. 10 • Added Table Note (1): For the 5-V operation, VCC1 or VCC2 is specified from 4.5 V to 5.5 V .............................................. 11 • Added Table Note (1): For the 5-V operation, VCC1 or VCC2 is specified from 4.5 V to 5.5 V .............................................. 12 Changes from Revision C (April 2008) to Revision D Page • Added tsk(pp) Part-to-part skew .............................................................................................................................................. 13 • Added tsk(pp) Part-to-part skew .............................................................................................................................................. 14 • Added tsk(pp) Part-to-part skew .............................................................................................................................................. 15 • Added tsk(pp) Part-to-part skew .............................................................................................................................................. 16 • Changed Typical ISO724x Application Circuit Figure 19 .................................................................................................... 27 Changes from Revision B (August 2008) to Revision C Page • Deleted Min = 4.5 V and max = 5.5 V for Supply Voltage of the ROC Table. ....................................................................... 8 • Changed VCC Supply Voltage in the ROC Table From: 3.6 To: 5.5 ....................................................................................... 8 Changes from Revision A (December 2007) to Revision B • Page Changed VCC Supply Voltage in the ROC Table From: 3.45 To: 3.6 ..................................................................................... 8 Changes from Original (September 2007) to Revision A Page • Changed VCC Supply Voltage in the ROC Table From: 3.6 To: 3.45 ..................................................................................... 8 • Changed VCC Supply Voltage in the ROC Table From: 3 To: 3.15 ........................................................................................ 8 • Changed TBDs to actual values. ............................................................................................................................................ 9 • Changed CI - typ value From: 1 To: 2 in the Electrical Characteristics: VCC1 and VCC2 at 5-V (2) Operation ......................... 9 • Changed CI - typ value From: 1 To: 2 in the Electrical Characteristics: VCC1 at 5-V, VCC2 at 3.3-V (3) Operation................. 10 • Changed CI - typ value From: 1 To: 2 in the Electrical Characteristics: VCC1 at 3.3-V, VCC2 at 5-V (4) Operation................. 11 • Changed typ value From: 1 To: 2 in the Electrical Characteristics: VCC1 and VCC2 at 3.3 V (5) Operation ............................ 12 • Changed Propagation delay max From: 22 To: 23 .............................................................................................................. 13 • Changed Propagation delay max From: 46 To: 50 .............................................................................................................. 14 • Changed Propagation delay max From: 28 To: 29 .............................................................................................................. 14 • Changed ISO724xA/C max value From: 2.5 To: 3............................................................................................................... 14 • Changed Propagation delay max From: 26 To: 30 .............................................................................................................. 15 Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 5 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com • Changed Propagation delay max From: 32 To: 34 .............................................................................................................. 16 • Changed ISO724xA/C max value From: 3 To: 3.5............................................................................................................... 16 • Changed Figure 1, Figure 2, and Figure 4. Added Figure 3. ............................................................................................... 17 • Changed CIO - typ value From: 1 To: 2 ................................................................................................................................ 23 • Changed the Regulatory Information.................................................................................................................................... 25 6 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 5 Description (Continued) The C option devices have TTL input thresholds and a noise-filter at the input that prevents transient pulses from being passed to the output of the device. The M option devices have CMOS VCC/2 input thresholds and do not have the input noise-filter or the additional propagation delay. The ISO7240CF has an input disable function on pin 7, and a selectable high or low failsafe-output function with the CTRL pin (pin 10). The failsafe-output is a logic high when a logic-high is placed on the CTRL pin or it is left unconnected. If a logic-low signal is applied to the CTRL pin, the failsafe-output becomes a logic-low output state. The ISO7240CF input disable function prevents data from being passed across the isolation barrier to the output. When the inputs are disabled or VCC1 is powered down, the outputs are set by the CTRL pin. These devices may be powered from 3.3-V or 5-V supplies on either side in any combination. Note that the signal input pins are 5-V tolerant regardless of the voltage supply level being used. These devices are characterized for operation over the ambient temperature range of –40°C to 125°C. Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 7 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com 6 Pin Configurations and Functions VCC1 GND1 INA INB INC IND DISABLE GND1 ISO7240CF 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 ISO7240 VCC2 VCC1 GND2 GND1 OUTA INA INB OUTB INC OUTC OUTD IND CTRL NC GND2 GND1 1 2 3 4 5 6 7 8 ISO7241 16 15 14 13 12 11 10 9 VCC2 GND2 OUTA OUTB OUTC OUTD EN GND2 VCC1 GND1 INA INB INC OUTD EN1 GND1 1 2 3 4 5 6 7 8 ISO7242 16 15 14 13 12 11 10 9 VCC2 GND2 OUTA OUTB OUTC IND EN2 GND2 VCC1 GND1 INA INB OUTC OUTD EN1 GND1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC2 GND2 OUTA OUTB INC IND EN2 GND2 Pin Functions PIN NAME I/O DESCRIPTION3 ISO7240CF ISO7240 ISO7241 ISO7242 INA 3 3 3 3 I Input, channel A INB 4 4 4 4 I Input, channel B INC 5 5 5 12 I Input, channel C IND 6 6 11 11 I Input, channel D OUTA 14 14 14 14 O Output, channel A OUTB 13 13 13 13 O Output, channel B OUTC 12 12 12 5 O Output, channel C OUTD 11 11 6 6 O Output, channel D EN1 – – 7 7 I Output enable 1. Output pins on side-1 are enabled when EN1 is high or open and disabled when EN1 is low. EN2 – – 10 10 I Output enable 2. Output pins on side-2 are enabled when EN2 is high or open and disabled when EN2 is low. EN – 10 – – I Output enable. All output pins are enabled when EN is high or open and disabled when EN is low. DISABLE 7 – – – I Input disable. All input pins are disabled when DISABLE is high and enabled when DISABLE is low or open. CTRL 10 – – – I Failsafe output control. Output state is determined by CTRL pin when DISABLE is high or VCC1 is powered down. Output is high when CTRL is high or open and low when CTRL is low. VCC1 1 1 1 1 – Power supply, VCC1 VCC2 16 16 16 16 – Power supply, VCC2 GND1 2,8 2,8 2,8 2, 8 – Ground connection for VCC1 GND2 9,15 9,15 9,15 9, 15 – Ground connection for VCC2 – 7 – – – No Connect pins are floating with no internal connection NC 8 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 7 Specifications 7.1 Absolute Maximum Ratings (1) MIN MAX UNIT VCC Supply voltage (2), VCC1, VCC2 –0.5 6 V VI Voltage at IN, OUT, EN, DISABLE, CTRL –0.5 VCC + 0.5 (3) V IO Output current –15 15 mA TJ Maximum junction temperature 170 °C Tstg Storage temperature 150 °C (1) (2) (3) –65 Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. All voltage values are with respect to network ground terminal and are peak voltage values. Maximum voltage must not exceed 6 V. 7.2 ESD Ratings VALUE V(ESD) Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001 (1) ±4 Charged device model (CDM), per JEDEC specification JESD22-C101 (2) ±1 Machine Model, per ANSI/ESDS5.2-1996 (1) (2) UNIT V ±200 JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. 7.3 Recommended Operating Conditions MIN VCC Supply voltage (1), VCC1, VCC2 IOH High-level output current IOL Low-level output current tui Input pulse width 5.5 4 40 ISO724xM 6.67 5 ISO724xC 0 30 (2) 25 ISO724xM 0 200 (2) 150 VIH High-level input voltage (IN) VIL Low-level input voltage (IN) VIH High-level input voltage (IN, DISABLE, CTRL, EN) VIL Low-level input voltage (IN, DISABLE, CTRL, EN) TJ Junction temperature H External magnetic field-strength immunity per IEC 61000-4-8 and IEC 61000-4-9 certification ISO724xM ISO724xC UNIT V mA ISO724xC Signaling rate (2) MAX -4 1/tui (1) TYP 3.15 mA ns Mbps 0.7 VCC VCC V 0 0.3 VCC V 2 5.5 V 0 0.8 V 150 °C 1000 A/m For the 5-V operation, VCC1 or VCC2 is specified from 4.5 V to 5.5 V. For the 3.3-V operation, VCC1 or VCC2 is specified from 3.15 V to 3.6 V. Typical value at room temperature and well-regulated power supply. Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 9 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com 7.4 Thermal Information ISO724x THERMAL METRIC (1) DW UNIT 16 PINS RθJA Junction-to-ambient thermal resistance RθJC(top) Junction-to-case (top) thermal resistance 39.5 RθJB Junction-to-board thermal resistance 41.9 ψJT Junction-to-top characterization parameter 13.5 ψJB Junction-to-board characterization parameter 41.9 RθJC(bot) Junction-to-case (bottom) thermal resistance n/a PD Device power dissipation (1) Low-K board 168 High-K board 77.3 VCC1 = VCC2 = 5.5 V, TJ = 150°C, CL = 15 pF, Input a 50% duty cycle square wave °C/W 220 mW For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 7.5 Electrical Characteristics: VCC1 and VCC2 at 5-V (1) Operation over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX 1 3 7 10.5 All channels, no load, EN1 at 3 V, EN2 at 3 V 6.5 11 12 18 All channels, no load, EN1 at 3 V, EN2 at 3 V 10 16 15 24 All channels, no load, EN at 3 V 15 22 17 25 All channels, no load, EN1 at 3 V, EN2 at 3 V 13 20 18 28 All channels, no load, EN1 at 3 V, EN2 at 3 V 10 16 15 24 UNIT SUPPLY CURRENT ISO7240C/M ICC1 ISO7241C/M ISO7242C/M ISO7240C/M ICC2 ISO7241C/M ISO7242C/M Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal All channels, no load, EN at 3 V mA mA mA mA mA mA ELECTRICAL CHARACTERISTICS IOFF Sleep mode output current EN at 0 V, Single channel VCCO – 0.8 IOH = –20 μA, See Figure 9 VCCO – 0.1 VOH High-level output voltage VOL Low-level output voltage VI(HYS) Input voltage hysteresis IIH High-level input current IN at VCCI IIL Low-level input current IN at 0 V CI Input capacitance to ground IN at VCC, VI = 0.4 sin (4E6πt) CMTI Common-mode transient immunity VI = VCC or 0 V, See Figure 13 (1) 10 μA 0 IOH = –4 mA, See Figure 9 V IOL = 4 mA, See Figure 9 0.4 IOL = 20 μA, See Figure 9 0.1 150 mV 10 –10 25 V μA 2 pF 50 kV/μs For the 5-V operation, VCC1 or VCC2 is specified from 4.5 V to 5.5 V. Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 7.6 Electrical Characteristics: VCC1 at 5-V, VCC2 at 3.3-V (1) Operation over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT ISO7240C/M ISO7241C/M ICC1 ISO7242C/M ISO7240C/M ISO7241C/M ICC2 ISO7242C/M Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal 1 3 7 10.5 All channels, no load, EN1 at 3 V, EN2 at 3 V 6.5 11 12 18 All channels, no load, EN1 at 3 V, EN2 at 3 V 10 16 15 24 All channels, no load, EN at 3 V All channels, no load, EN at 3 V All channels, no load, EN1 at 3 V, EN2 at 3 V All channels, no load, EN1 at 3 V, EN2 at 3 V 9.5 15 10.5 17 8 13 11.5 18 6 10 9 14 mA mA mA mA mA mA ELECTRICAL CHARACTERISTICS IOFF Sleep mode output current VOH High-level output voltage EN at 0 V, Single channel IOH = –4 mA, See Figure 9 VCCO – 0.4 5-V side VCCO – 0.8 IOH = –20 μA, See Figure 9 V VCCO – 0.1 IOL = 4 mA, See Figure 9 0.4 IOL = 20 μA, See Figure 9 0.1 VOL Low-level output voltage VI(HYS) Input voltage hysteresis IIH High-level input current IN at VCCI IIL Low-level input current IN at 0 V CI Input capacitance to ground IN at VCC, VI = 0.4 sin (4E6πt) CMTI Common-mode transient immunity VI = VCC or 0 V, See Figure 13 (1) μA 0 3.3-V side V 150 mV 10 μA –10 25 2 pF 50 kV/μs For the 5-V operation, VCC1 or VCC2 is specified from 4.5 V to 5.5 V. For the 3.3-V operation, VCC1 or VCC2 is specified from 3.15 V to 3.6 V. Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 11 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com 7.7 Electrical Characteristics: VCC1 at 3.3-V, VCC2 at 5-V (1) Operation over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX 0.5 1 3 5 UNIT SUPPLY CURRENT ISO7240C/M ISO7241C/M ICC1 ISO7242C/M ISO7240C/M ISO7241C/M ICC2 ISO7242C/M Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal All channels, no load, EN at 3 V All channels, no load, EN1 at 3 V, EN2 at 3 V 4 7 6.5 11 All channels, no load, EN1 at 3 V, EN2 at 3 V 6 10 9 14 All channels, no load, EN at 3 V 15 22 17 25 All channels, no load, EN1 at 3 V, EN2 at 3 V 13 20 18 28 All channels, no load, EN1 at 3 V, EN2 at 3 V 10 16 15 24 mA mA mA mA mA mA ELECTRICAL CHARACTERISTICS IOFF Sleep mode output current VOH High-level output voltage EN at 0 V, Single channel IOH = –4 mA, See Figure 9 IOH = –20 μA, See Figure 9 5-V side VCCO – 0.8 V VCCO – 0.1 0.4 IOL = 20 μA, See Figure 9 0.1 Low-level output voltage VI(HYS) Input voltage hysteresis IIH High-level input current IN at VCCI IIL Low-level input current IN at 0 V CI Input capacitance to ground IN at VCC, VI = 0.4 sin (4E6πt) CMTI Common-mode transient immunity VI = VCC or 0 V, See Figure 13 12 VCCO – 0.4 IOL = 4 mA, See Figure 9 VOL (1) μA 0 3.3-V side 150 mV 10 –10 25 V μA 2 pF 50 kV/μs For the 5-V operation, VCC1 or VCC2 is specified from 4.5 V to 5.5 V. For the 3.3-V operation, VCC1 or VCC2 is specified from 3.15 V to 3.6 V. Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 7.8 Electrical Characteristics: VCC1 and VCC2 at 3.3 V (1) Operation over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX 0.5 1 3 5 UNIT SUPPLY CURRENT ISO7240C/M ISO7241C/M ICC1 ISO7242C/M ISO7240C/M ISO7241C/M ICC2 ISO7242C/M Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal Quiescent VI = VCC or 0 V 25 Mbps 12.5 MHz Input Clock Signal All channels, no load, EN at 3 V All channels, no load, EN1 at 3 V, EN2 at 3 V 4 7 6.5 11 6 10 All channels, no load, EN1 at 3 V, EN2 at 3 V All channels, no load, EN at 3 V All channels, no load, EN1 at 3 V, EN2 at 3 V 9 14 9.5 15 10.5 17 8 13 11.5 18 6 10 9 14 All channels, no load, EN1 at 3 V, EN2 at 3 V mA mA mA mA ELECTRICAL CHARACTERISTICS IOFF Sleep mode output current EN at 0 V, single channel VCCO – 0.4 IOH = –20 μA, See Figure 9 VCCO – 0.1 VOH High-level output voltage VOL Low-level output voltage VI(HYS) Input voltage hysteresis IIH High-level input current IN at VCCI IIL Low-level input current IN at 0 V CI Input capacitance to ground IN at VCC, VI = 0.4 sin (4E6πt) CMTI Common-mode transient immunity VI = VCC or 0 V, See Figure 13 (1) μA 0 IOH = –4 mA, See Figure 9 V IOL = 4 mA, See Figure 9 0.4 IOL = 20 μA, See Figure 9 0.1 150 mV 10 –10 25 V μA 2 pF 50 kV/μs For the 3.3-V operation, VCC1 or VCC2 is specified from 3.15 V to 3.6 V. Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 13 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com 7.9 Switching Characteristics: VCC1 and VCC2 at 5-V Operation over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP PWD Pulse-width distortion (1) |tPHL – tPLH| tPLH, tPHL Propagation delay PWD Pulse-width distortion (1) |tPHL – tPLH| tsk(pp) Part-to-part skew tsk(o) Channel-to-channel output skew tr Output signal rise time tf Output signal fall time tPHZ Propagation delay, high-level-to-high-impedance output 15 20 tPZH Propagation delay, high-impedance-to-high-level output 15 20 tPLZ Propagation delay, low-level-to-high-impedance output 15 20 tPZL Propagation delay, high-impedance-to-low-level output 15 20 tfs Failsafe output delay time from input power loss See Figure 11 12 μs twake Wake time from input disable See Figure 12 15 μs Peak-to-peak eye-pattern jitter 150 Mbps NRZ data input, Same polarity input on all channels, See Figure 14 1 ns (1) (2) (3) 14 ISO724xC 42 UNIT Propagation delay tjit(pp) 18 MAX tPLH, tPHL 2.5 See Figure 9 10 ISO724xM 23 1 ISO724xC (2) 8 ISO724xM (3) 0 ISO724xC 3 2 ISO724xM 0 1 2 See Figure 9 ISO724xM 2 ns ns ns ns 2 See Figure 10 ns ns Also referred to as pulse skew. tsk(pp) is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both devices operate with the same supply voltages, at the same temperature, and have identical packages and test circuits. tsk(o) is the skew between specified outputs of a single device with all driving inputs connected together and the outputs switching in the same direction while driving identical specified loads. Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 7.10 Switching Characteristics: VCC1 at 5-V, VCC2 at 3.3-V Operation over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN Pulse-width distortion (1) |tPHL – tPLH| tPLH, tPHL Propagation delay PWD Pulse-width distortion(1) |tPHL – tPLH| tsk(pp) Part-to-part skew tsk(o) Channel-to-channel output skew tr Output signal rise time tf Output signal fall time tPHZ Propagation delay, high-level-to-high-impedance output 15 20 tPZH Propagation delay, high-impedance-to-high-level output 15 20 tPLZ Propagation delay, low-level-to-high-impedance output 15 20 tPZL Propagation delay, high-impedance-to-low-level output 15 20 tfs Failsafe output delay time from input power loss See Figure 11 18 μs twake Wake time from input disable See Figure 12 15 μs Peak-to-peak eye-pattern jitter 150 Mbps PRBS NRZ data input, Same polarity input on all channels, See Figure 14 1 ns (1) (2) (3) 50 UNIT PWD tjit(pp) 20 MAX Propagation delay ISO724xC See Figure 9 TYP tPLH, tPHL 3 12 ISO724xM 29 1 ISO724xC (2) (3) 0 ISO724xC 5 3 ISO724xM 0 1 2 See Figure 9 ISO724xM 2 10 ISO724xM ns ns ns ns 2 See Figure 10 ns ns Also known as pulse skew tsk(pp) is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both devices operate with the same supply voltages, at the same temperature, and have identical packages and test circuits. tsk(o) is the skew between specified outputs of a single device with all driving inputs connected together and the outputs switching in the same direction while driving identical specified loads. Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 15 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com 7.11 Switching Characteristics: VCC1 at 3.3-V and VCC2 at 5-V Operation over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS tPLH, tPHL Propagation delay PWD Pulse-width distortion (1) |tPHL – tPLH| MIN TYP 22 ISO724xC MAX 51 3 See Figure 9 ns tPLH, tPHL Propagation delay PWD Pulse-width distortion(1) |tPHL – tPLH| tsk(pp) Part-to-part skew tsk(o) Channel-to-channel output skew tr Output signal rise time tf Output signal fall time tPHZ Propagation delay, high-level-to-high-impedance output 15 20 tPZH Propagation delay, high-impedance-to-high-level output 15 20 tPLZ Propagation delay, low-level-to-high-impedance output 15 20 tPZL Propagation delay, high-impedance-to-low-level output 15 20 tfs Failsafe output delay time from input power loss See Figure 11 12 μs twake Wake time from input disable See Figure 12 15 μs Peak-to-peak eye-pattern jitter 150 Mbps NRZ data input, Same polarity input on all channels, See Figure 14 1 ns tjit(pp) (1) (2) (3) 16 12 UNIT ISO724xM 30 1 ISO724xC (2) 10 ISO724xM (3) 0 ISO724xC 5 2.5 ISO724xM 0 1 2 See Figure 9 ISO724xM 2 ns ns ns 2 See Figure 10 ns ns Also known as pulse skew tsk(pp) is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both devices operate with the same supply voltages, at the same temperature, and have identical packages and test circuits. tsk(o) is the skew between specified outputs of a single device with all driving inputs connected together and the outputs switching in the same direction while driving identical specified loads. Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 7.12 Switching Characteristics: VCC1 and VCC2 at 3.3-V Operation over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP PWD Pulse-width distortion |tPHL – tPLH| (1) tPLH, tPHL Propagation delay PWD Pulse-width distortion |tPHL – tPLH| (1) tsk(pp) Part-to-part skew tsk(o) Channel-to-channel output skew tr Output signal rise time tf Output signal fall time tPHZ Propagation delay, high-level-to-high-impedance output 15 20 tPZH Propagation delay, high-impedance-to-high-level output 15 20 tPLZ Propagation delay, low-level-to-high-impedance output 15 20 tPZL Propagation delay, high-impedance-to-low-level output 15 20 tfs Failsafe output delay time from input power loss See Figure 11 18 μs twake Wake time from input disable See Figure 12 15 μs Peak-to-peak eye-pattern jitter 150 Mbps PRBS NRZ data input, same polarity input on all channels, See Figure 14 1 ns (1) (2) (3) ISO724xC 56 UNIT Propagation delay tjit(pp) 25 MAX tPLH, tPHL 4 See Figure 9 12 ISO724xM 34 1 ISO724xC (2) 10 ISO724xM (3) 0 ISO724xC 5 3.5 ISO724xM 0 See Figure 9 ISO724xM 2 See Figure 10 1 ns ns ns ns 2 ns 2 ns ns Also referred to as pulse skew. tsk(pp) is the magnitude of the difference in propagation delay times between any specified terminals of two devices when both devices operate with the same supply voltages, at the same temperature, and have identical packages and test circuits. tsk(o) is the skew between specified outputs of a single device with all driving inputs connected together and the outputs switching in the same direction while driving identical specified loads. Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 17 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com 45 45 40 40 ICC - Supply Current - mA/RMS ICC - Supply Current - mA/RMS 7.13 Typical Characteristics 35 5-V ICC2 30 3.3-V ICC2 25 20 5-V ICC1 15 10 5 35 5-V ICC2 30 25 20 3.3-V ICC2 15 5 3.3-V ICC1 25 50 75 100 Signaling Rate - Mbps TA = 25°C 125 0 0 150 Load = 15 pF All Channels 45 45 40 40 35 35 30 5-V ICC1,ICC2 25 20 15 3.3-V ICC1,ICC2 100 125 150 Load = 15 pF All Channels 3.3-V t pLH , t pHL ( C-grade) 5-V tpLH, tpHL (C-grade) 30 25 3.3-V tpLH, tpHL (M-grade) 20 15 10 10 5 5 5-V tpLH, tpHL (M-grade) 0 25 50 TA = 25°C 75 100 125 150 -40 Load = 15 pF All Channels -25 -10 80 65 35 20 50 TA - Free-Air Temperature - °C 95 Load = 15 pF 110 125 All Channels Figure 4. Propagation Delay vs Free-Air Temperature 3 1.4 5 V Vth+ 2.9 VCC - Undervoltage Threshold - V 1.35 1.3 3.3 V Vth+ 1.25 1.2 1.15 5 V Vth1.1 1.05 -25 -10 Air Flow at 7 cf/m 2.8 VCC Rising 2.7 2.6 2.5 VCC Falling 2.4 2.3 2.2 2.1 3.3 V Vth1 -40 5 TA = 25°C Figure 3. ISO7242C/M RMS Supply Current vs Signaling Rate Input Voltage Threshold - V 75 Figure 2. ISO7241C/M RMS Supply Current vs Signaling Rate Signaling Rate - Mbps 5 20 35 50 65 80 TA - Free-Air Temperature - °C 95 110 125 2 -40 -25 -10 5 20 35 50 65 80 95 110 125 TA - Free-Air Temperature - °C Low_K Board Figure 5. Input Voltage Threshold vs Free-Air Temperature 18 50 TA = 25°C Propagation Delay - ns ICC - Supply Current - mA/RMS 25 Signaling Rate - Mbps Figure 1. ISO7240C/M RMS Supply Current vs Signaling Rate 0 0 3.3-V ICC1 10 0 0 5-V ICC1 Submit Documentation Feedback Figure 6. VCC Undervoltage Threshold vs Free-Air Temperature Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 Typical Characteristics (continued) 50 50 VCC = 5 V 45 40 IO - Output Current - mA IO - Output Current - mA 40 VCC = 3.3 V 30 20 10 35 VCC = 3.3 V 30 25 VCC = 5 V 20 15 10 5 0 0 2 TA = 25°C 4 VO - Output Voltage - V 6 Load = 15 pF Figure 7. High-Level Output Current vs High-Level Output Voltage Copyright © 2007–2015, Texas Instruments Incorporated 0 0 1 TA = 25°C 2 3 VO - Output Voltage - V 4 5 Load = 15 pF Figure 8. Low-Level Output Current vs Low-Level Output Voltage Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 19 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com ISOLATION BARRIER 8 Parameter Measurement Information IN Input Generator VI 50 W NOTE A VCC VI VCC/2 VCC/2 OUT 0V tPHL tPLH CL NOTE B VO VO VOH 90% 50% 50% 10% tr VOL tf A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 50 kHz, 50% duty cycle, tr ≤ 3 ns, tf ≤ 3 ns, ZO = 50Ω. B. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%. Figure 9. Switching Characteristic Test Circuit and Voltage Waveforms Vcc VCC ISOLATION BARRIER 0V RL = 1 kW ±1% IN Input Generator VI OUT EN VCC/2 VI t PZL VO VO CL VCC/2 0V t PLZ VCC 0.5 V 50% NOTE B 50 W VOL 3V ISOLATION BARRIER NOTE A IN Input Generator VI OUT VO VCC VCC/2 VI VCC/2 0V EN 50 W t PZH CL NOTE B RL = 1 kW ±1% VO VOH 50% 0.5 V t PHZ 0V NOTE A A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 50 kHz, 50% duty cycle, tr ≤ 3 ns, tf ≤ 3 ns, ZO = 50Ω. B. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%. Figure 10. Enable/Disable Propagation Delay Time Test Circuit and Waveform 20 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 Parameter Measurement Information (continued) A. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%. 3V IN DISABLE ISOLATION BARRIER Figure 11. Failsafe Delay Time Test Circuit and Voltage Waveforms OUT VCC VO VI 0V CTRL t wake VCC CL Input VI Generator 0V 50 % ( Note B) 50 W VO IN 0V DISABLE ISOLATION BARRIER ( Note A) 0V VCC OUT VO VI VCC/2 0V t wake CTRL VCC2 CL Input Generator VCC/2 VI 3V 50 W (Note B ) 50 % VO ( Note A ) 0V NOTE: Which ever test yields the longest time is used in this data sheet A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 50 kHz, 50% duty cycle, tr ≤ 3 ns, tf ≤ 3 ns, ZO = 50Ω. B. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%. Figure 12. Wake Time From Input Disable Test Circuit and Voltage Waveforms Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 21 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com Parameter Measurement Information (continued) IN S1 C = 0.1 µF ±1% Isolation Barrier VCCI GNDI VCCO C = 0.1 µF ±1% Pass-fail criteria – output must remain stable. OUT + CL See Note A GNDO VOH or VOL – + VCM – A. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%. B. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 50 kHz, 50% duty cycle, tr ≤ 3 ns, tf ≤ 3 ns, ZO = 50Ω. Figure 13. Common-Mode Transient Immunity Test Circuit and Voltage Waveform VCC DUT Tektronix HFS9009 IN OUT 0V Tektronix 784D PATTERN GENERATOR VCC/2 Jitter NOTE: PRBS bit pattern run length is 216 – 1. Transition time is 800 ps. NRZ data input has no more than five consecutive 1s or 0s. Figure 14. Peak-to-Peak Eye-Pattern Jitter Test Circuit and Voltage Waveform 22 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 9 Detailed Description 9.1 Overview The isolator in Figure 15 is based on a capacitive isolation barrier technique. The I/O channel of the device consists of two internal data channels, a high-frequency channel (HF) with a bandwidth from 100 kbps up to 150 Mbps, and a low-frequency channel (LF) covering the range from 100 kbps down to DC. In principle, a singleended input signal entering the HF-channel is split into a differential signal via the inverter gate at the input. The following capacitor-resistor networks differentiate the signal into transients, which then are converted into differential pulses by two comparators. The comparator outputs drive a NOR-gate flip-flop whose output feeds an output multiplexer. A decision logic (DCL) at the driving output of the flip-flop measures the durations between signal transients. If the duration between two consecutive transients exceeds a certain time limit, (as in the case of a low-frequency signal), the DCL forces the output-multiplexer to switch from the high- to the low-frequency channel. Because low-frequency input signals require the internal capacitors to assume prohibitively large values, these signals are pulse-width modulated (PWM) with the carrier frequency of an internal oscillator, thus creating a sufficiently high frequency signal, capable of passing the capacitive barrier. As the input is modulated, a low-pass filter (LPF) is needed to remove the high-frequency carrier from the actual data before passing it on to the output multiplexer. 9.2 Functional Block Diagram Isolation Barrier OSC LPF Low t Frequency Channel (DC...100 kbps) PWM VREF 0 OUT 1 S IN DCL High t Frequency Channel (100 kbps...150 Mbps) VREF Figure 15. Conceptual Block Diagram of a Digital Capacitive Isolator Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 23 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com 9.3 Feature Description ISO724x are available in multiple channel configurations and default output state options to enable wide variety of application uses. PRODUCT SIGNALING RATE INPUT THRESHOLD ISO7240C 25 Mbps ~1.5 V (TTL) ISO7240CF 25 Mbps ~1.5 V (TTL) ISO7240M 150 Mbps VCC/ 2 (CMOS) ISO7241C 25 Mbps ~1.5 V (TTL) ISO7241M 150 Mbps VCC/ 2 (CMOS) ISO7242C 25 Mbps ~1.5 V (TTL) ISO7242M 150 Mbps VCC/ 2 (CMOS) CHANNEL CONFIGURATION 4/0 3/1 2/2 9.3.1 DIN V VDE V 0884-10 (VDE V 0884-10):2006-1 Insulation Characteristics (1) over recommended operating conditions (unless otherwise noted) PARAMETER VIORM VPR Input to output test voltage VIOTM RS TEST CONDITIONS SPECIFICATIONS Maximum working insulation voltage Maximum transient isolation voltage Insulation resistance VPK After Input/Output Safety Test Subgroup 2/3 VPR = VIORM × 1.2, t = 10 s, Partial discharge < 5 pC 672 VPK Method a, VPR = VIORM × 1.6, Type and sample test with t = 10 s, Partial discharge < 5 pC 896 VPK Method b1, VPR = VIORM × 1.875, 100 % Production test with t = 1 s, Partial discharge < 5 pC 1050 VPK t = 60 s 4000 VPK 9 VIO = 500 V at TS = 150°C Ω >10 Pollution degree (1) UNIT 560 2 Climatic Classification 40/125/21 Table 1. IEC 60664-1 Ratings Table PARAMETER Basic isolation group Installation classification TEST CONDITIONS SPECIFICATION Material group II Rated mains voltage ≤150 VRMS I-IV Rated mains voltage ≤300 VRMS I-III 9.3.2 Package Characteristics TEST CONDITIONS MIN L(I01) Minimum air gap (Clearance) (1) PARAMETER Shortest pin-to-pin distance through air 8 mm L(I02) Minimum external tracking (Creepage) (1) Shortest pin-to-pin distance across the package surface 8 mm CTI Tracking resistance (comparative tracking index) DIN EN 60112 (VDE 0303-11); IEC 60112 ≥ 400 V Minimum Internal Gap (Internal Clearance) Distance through the insulation 0.008 mm RIO Isolation resistance Input to output, VIO = 500 V, all pins on each side of the barrier tied together creating a two-terminal device CIO Barrier capacitance Input to output VI = 0.4 sin (4E6πt) (1) 24 TYP MAX UNIT > 1012 Ω 2 pF Per JEDEC package dimensions Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 9.3.3 Life Expectancy vs. Working Voltage WORKING LIFE -- YEARS 100 VIORM at 560-VPK 28 Years 10 0 250 120 500 750 1000 880 WORKING VOLTAGE (VIORM) -- VPK Figure 16. Time-Dependant Dielectric Breakdown Testing Results 9.3.4 Safety Limiting Values Safety limiting intends to prevent potential damage to the isolation barrier upon failure of input or output circuitry. A failure of the IO can allow low resistance to ground or the supply and, without current limiting, dissipate sufficient power to overheat the die and damage the isolation barrier potentially leading to secondary system failures. PARAMETER TEST CONDITIONS IS Safety input, output, or supply current SOIC16 TS Maximum case temperature SOIC16 MIN TYP MAX θJA = 168°C/W, VI = 5.5 V, TJ = 170°C, TA = 25°C 156 θJA = 168°C/W, VI = 3.6 V, TJ = 170°C, TA = 25°C 239 150 UNIT mA °C The safety-limiting constraint is the absolute maximum junction temperature specified in the absolute maximum ratings table. The power dissipation and junction-to-air thermal impedance of the device installed in the application hardware determines the junction temperature. The assumed junction-to-air thermal resistance in the Thermal Characteristics table is that of a device installed in the JESD51-3, Low Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages and is conservative. The power is the recommended maximum input voltage times the current. The junction temperature is then the ambient temperature plus the power times the junction-to-air thermal resistance. 300 VCC1,2 at 3.6 V Safety Limiting Current - mA 250 200 150 VCC1,2 at 5.5 V 100 50 0 0 50 100 150 TC - Case Temperature - °C 200 Figure 17. SOIC-16 ΘJC Thermal Derating Curve per VDE Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 25 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com 9.3.5 Regulatory Information VDE CSA UL Certified according to DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 and DIN EN 61010-1 (VDE 0411-1): 2011-07 Approved under CSA Component Acceptance Notice 5A Recognized under UL 1577 Component Recognition Program Basic Insulation Maximum Transient Overvoltage, 4000 VPK Maximum Surge Votlage, 4000 VPK Maximum Working Voltage, 560 VPK Basic insulation per CSA 60950-1-07 and IEC 60950-1 (2nd Ed), 395 VRMS maximum working voltage, 4000 VPK maximum isolation rating Single protection, 2500 VRMS (1) Certificate Number: 40016131 Master Contract Number: 220991 File Number: E181974 (1) 26 Production tested ≥ 3000 VRMS for 1 second in accordance with UL 1577. Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 9.4 Device Functional Modes Table 2. Device Function Table ISO724x (1) INPUT VCC OUTPUT VCC PU (1) INPUT (IN) OUTPUT ENABLE (EN) OUTPUT (OUT) H H or Open H L H or Open L PU X L Z Open H or Open H H or Open H PD PU X PD PU X L Z X PD X X Undetermined PU = Powered Up; PD = Powered Down; X = Irrelevant; H = High Level; L = Low Level; Z = High Impedance; Open = Not Connected Table 3. ISO7240CF Functions Table (1) (1) VCC1 VCC2 DATA INPUT (IN) DISABLE INPUT (DISABLE) FAILSAFE CONTROL (CTRL) DATA OUTPUT (OUT) PU PU H L or Open X H PU PU L L or Open X L X PU X H H or Open H X PU X H L L PD PU X X H or Open H PD PU X X L L X PD X X X Undetermined PU = Powered Up; PD = Powered Down; X = Irrelevant; H = High Level; L = Low Level; Z = High Impedance; Open = Not Connected 9.4.1 Device I/O Schematics Output Input VCC VCC VCC VCC 1 MW IN 8W 500 W OUT 13 W ISO7240CF Enable, Control Input, Disable VCC VCC VCC VCC VCC 1 MW IN or DISABLE 500 W EN or CTRL 500 W 1 MW Figure 18. Device I/O Schematics Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 27 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com 10 Application and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 10.1 Application Information ISO724x use single-ended TTL or CMOS-logic switching technology. Its supply voltage range is from 3.15 V to 5.5 V for both supplies, VCC1 and VCC2. When designing with digital isolators, it is important to keep in mind that due to the single-ended design structure, digital isolators do not conform to any specific interface standard and are only intended for isolating single-ended CMOS or TTL digital signal lines. The isolator is typically placed between the data controller (that is, μC or UART), and a data converter or a line transceiver, regardless of the interface type or standard. 10.2 Typical Application 10.2.1 Isolated Data Acquisition System for Process Control ISO724x can be used with Texas Instruments' precision analog-to-digital converter and mixed signal microcontroller to create an advanced isolated data acquisition system as shown in Figure 19. Figure 19. Isolated Data Acquisition System for Process Control 10.2.1.1 Design Requirements Unlike optocouplers, which need external components to improve performance, provide bias, or limit current, ISO724x only needs two external bypass capacitors to operate. 28 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 Typical Application (continued) 10.2.1.2 Detailed Design Procedure Figure 20. ISO7240 Typical Circuit Hook-Up Figure 21. ISO7240CF Typical Circuit Hook-Up Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 29 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com Typical Application (continued) Figure 22. ISO7241 Typical Circuit Hook-Up Figure 23. ISO7242 Typical Circuit Hook-Up 30 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 Typical Application (continued) 10.2.1.3 Application Curve Figure 24. ISO7242M Eye Diagram at 25 Mbps, 3.3 V and 25°C Copyright © 2007–2015, Texas Instruments Incorporated Figure 25. ISO7242M Eye Diagram at 150 Mbps, 3.3 V and 25°C Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 31 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com Typical Application (continued) 10.2.2 Isolated SPI Interface for an Analog Input Module with 16 Inputs ISO7241 and several other components from Texas Instruments can be used to create an isolated SPI interface for input module with 16 inputs. Figure 26. Isolated SPI Interface for an Analog Input Module with 16 Inputs 10.2.2.1 Design Requirements See previous Design Requirements. 10.2.2.2 Detailed Design Procedure See previous Detailed Design Procedure. 10.2.2.3 Application Curve See previous Application Curve. 32 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 Typical Application (continued) 10.2.3 Isolated RS-232 Interface Typical isolated RS-232 interface implementation is shown in Figure 27. Figure 27. Isolated RS-232 Interface 10.2.3.1 Design Requirements See previous Design Requirements. 10.2.3.2 Detailed Design Procedure See previous Detailed Design Procedure. 10.2.3.3 Application Curve See previous Application Curve. Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 33 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com 11 Power Supply Recommendations To ensure reliable operation at all data rates and supply voltages, a 0.1 μF bypass capacitor is recommended at input and output supply pins (VCC1 and VCC2). The capacitors should be placed as close to the supply pins as possible. If only a single primary-side power supply is available in an application, isolated power can be generated for the secondary-side with the help of a transformer driver such as Texas Instruments SN6501 data sheet . For such applications, detailed power supply design and transformer selection recommendations are available in SN6501 data sheet (SLLSEA0). 12 Layout 12.1 Layout Guidelines A minimum of four layers is required to accomplish a low EMI PCB design (see Figure 28). Layer stacking should be in the following order (top-to-bottom): high-speed signal layer, ground plane, power plane and low-frequency signal layer. • Routing the high-speed traces on the top layer avoids the use of vias (and the introduction of their inductances) and allows for clean interconnects between the isolator and the transmitter and receiver circuits of the data link. • Placing a solid ground plane next to the high-speed signal layer establishes controlled impedance for transmission line interconnects and provides an excellent low-inductance path for the return current flow. • Placing the power plane next to the ground plane creates additional high-frequency bypass capacitance of approximately 100pF/in2. • Routing the slower speed control signals on the bottom layer allows for greater flexibility as these signal links usually have margin to tolerate discontinuities such as vias. If an additional supply voltage plane or signal layer is needed, add a second power/ground plane system to the stack to keep it symmetrical. This makes the stack mechanically stable and prevents it from warping. Also the power and ground plane of each power system can be placed closer together, thus increasing the high-frequency bypass capacitance significantly. For detailed layout recommendations, see Application Note SLLA284, Digital Isolator Design Guide. 12.1.1 PCB Material For digital circuit boards operating below 150 Mbps, (or rise and fall times higher than 1 ns), and trace lengths of up to 10 inches, use standard FR-4 epoxy-glass as PCB material. FR-4 (Flame Retardant 4) meets the requirements of Underwriters Laboratories UL94-V0, and is preferred over cheaper alternatives due to its lower dielectric losses at high frequencies, less moisture absorption, greater strength and stiffness, and its selfextinguishing flammability-characteristics. 12.2 Layout Example High-speed traces 10 mils Ground plane 40 mils Keep this space free from planes, traces, pads, and vias FR-4 0r ~ 4.5 Power plane 10 mils Low-speed traces Figure 28. Recommended Layer Stack 34 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 13 Device and Documentation Support 13.1 Device Support 13.1.1 Isolation Glossary Primary Circuit — A circuit that is directly connected to an external mains supply for its power needs. Secondary Circuit — A circuit that has no direct connection to a primary circuit and derives its power from a transformer, converter or equivalent isolation device, or from a battery. Creepage — The shortest distance between two conductive parts measured along the surface of a solid insulation. The shortest path is typically found around the end of the package body. Clearance — The shortest distance between two conductive parts measured through air. Isolation Capacitance (CIO) — The total capacitance between the terminals on a first side of the isolation barrier connected together and the terminals on a second side of the isolation barrier connected together forming a twoterminal device. Isolation Resistance (RIO) — The resistance between the terminals on a first side of the isolation barrier connected together and all the terminals on a second side of the isolation barrier connected together forming a two-terminal device. Rated Isolation Voltages — The maximum voltage between all input terminals (connected together) and all output terminals (connected together) respectively. Maximum Rated Isolation Working Voltage (VIOWM) — An r.m.s or equivalent d.c. voltage assigned by the manufacturer, characterizing the specified long term withstand capability of its isolation. Maximum Rated Repetitive Peak Isolation Voltage (VIORM) — A peak voltage assigned by the manufacturer, characterizing the specified withstand capability of its isolation against repetitive peak voltages. It includes all repetitive transient voltages, but excludes all non-repetitive transient voltages. Maximum Rated Transient Isolation Voltage (VIOTM) — A peak impulse voltage assigned by the manufacturer, characterizing the specified withstand capability of its isolation against transient overvoltages. Withstand Isolation Voltage (VISO) — Maximum AC r.m.s. isolation voltage for one minute. Surge Isolation Voltage (VIOSM) — The highest instantaneous value of an isolation voltage pulse with short time duration and of specified wave shape. Partial Discharge — Localized electrical discharge which occurs in the insulation between all terminals of the first side and all terminals of the second side of the coupler. Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 35 ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 www.ti.com Device Support (continued) Comparative Tracking Index (CTI) — CTI is an index used for electrical insulating materials that is defined as the numerical value of the voltage which causes failure by tracking during standard testing. Tracking is the process that produces a partially conducting path of localized deterioration on or through the surface of an insulating material as a result of the action of electric discharges on or close to an insulation surface -- the higher the CTI value of the insulating material, the smaller the minimum creepage distance required. Generally, insulation breakdown occurs either through the material, over its surface, or both. Surface failure may arise from flashover or from the progressive degradation of the insulation surface by small localized sparks. Such sparks are the result of the breaking of a surface film of conducting contaminant on the insulation. The resulting break in the leakage current produces an overvoltage at the site of the discontinuity, and an electric spark is generated. These sparks often cause carbonization on insulation material and lead to a carbon track between points of different potential. This process is known as tracking. Material Groups — Materials are classified into four groups according to their CTI values. These values are determined in accordance with IEC 60112. The groups are as follows: • • • • Material Material Material Material group group group group I: 600V ≤ CTI II: 400V ≤ CTI < 600 II: 175V ≤ CTI < 400 II: 100V ≤ CTI < 175 13.1.1.1 Insulation: Functional insulation — Insulation needed for the correct operation of the equipment. Basic insulation — Insulation that provides basic protection against electric shock. Supplementary insulation — Independent insulation applied in addition to basic insulation in order to ensure protection against electric shock in the event of a failure of the basic insulation. Double insulation — Insulation comprising both basic and supplementary insulation. Reinforced insulation — A single insulation system which provides a degree of protection against electric shock equivalent to double insulation. 13.1.1.2 Pollution Degree: Pollution is any addition of foreign matter, solid, liquid, or gaseous that can result in a reduction of electric strength or surface resistivity of the insulation. There are four categories of pollution: Pollution Degree 1 — No pollution or only dry, nonconductive pollution occurs. The pollution has no influence. Pollution Degree 2 — Only nonconductive pollution occurs. However, a temporary conductivity caused by condensation is to be expected. Pollution Degree 3 — Conductive pollution occurs or dry non-conductive pollution occurs which becomes conductive due to condensation which is to be expected. Pollution Degree 4 – Continuous conductivity occurs due to conductive dust, rain, or other wet conditions. 13.1.1.3 Overvoltage Categories and Installation Classification: Overvoltage Categories define transient overvoltage conditions. There are four different levels as indicated in IEC 60664. I: Signal level — Special protected equipment or parts of equipment, e.g., circuit board inside a DVD player. II: Local level — Portable equipment that is supplied from the wall outlet, e.g., a DVD player III: Distribution level — Equipment in fixed installation such as HVAC system, Washers / Dryers, etc. IV: Primary supply level — Equipment for use at the origin of the installations such as overhead lines, cable systems, etc. Lower level category is subject to smaller transients than the category above. 36 Submit Documentation Feedback Copyright © 2007–2015, Texas Instruments Incorporated Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M ISO7240CF, ISO7240C, ISO7240M ISO7241C, ISO7241M, ISO7242C, ISO7242M www.ti.com SLLS868R – SEPTEMBER 2007 – REVISED SEPTEMBER 2015 13.2 Documentation Support 13.2.1 Related Documentation • • • • SLLA197, High-Voltage Lifetime of the ISO72x Family of Digital Isolators SLLA181, ISO72x Digital Isolator Magnetic-Field Immunity SLLSEA0,SN6501 Transformer Driver for Isolated Power Supplies SLLA284, Digital Isolator Design Guide 13.3 Related Links The table below lists quick access links. Categories include technical documents, support and community resources, tools and software, and quick access to sample or buy. Table 4. Related Links PARTS PRODUCT FOLDER SAMPLE & BUY TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY ISO7240CF Click here Click here Click here Click here Click here ISO7240C Click here Click here Click here Click here Click here ISO7240M Click here Click here Click here Click here Click here ISO7241C Click here Click here Click here Click here Click here ISO7241M Click here Click here Click here Click here Click here ISO7242C Click here Click here Click here Click here Click here ISO7242M Click here Click here Click here Click here Click here 13.4 Trademarks All trademarks are the property of their respective owners. 13.5 Electrostatic Discharge Caution These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. 13.6 Glossary SLYZ022 — TI Glossary. This glossary lists and explains terms, acronyms, and definitions. 14 Mechanical, Packaging, and Orderable Information The following pages include mechanical, packaging, and orderable information. This information is the most current data available for the designated devices. This data is subject to change without notice and revision of this document. For browser-based versions of this data sheet, refer to the left-hand navigation. Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7240CF ISO7240C ISO7240M ISO7241C ISO7241M ISO7242C ISO7242M 37 PACKAGE OUTLINE DW0016B SOIC - 2.65 mm max height SCALE 1.500 SOIC C PIN 1 ID AREA A 10.63 TYP 9.97 SEATING PLANE 0.1 C 16 1 14X 1.27 2X 8.89 10.5 10.1 NOTE 3 8 9 B 7.6 7.4 NOTE 4 0.51 0.31 0.25 C A 16X 2.65 MAX B 0.38 TYP 0.25 SEE DETAIL A 0.25 GAGE PLANE 0.3 0.1 0 -8 1.27 0.40 (1.4) DETAIL A TYPICAL 4221009/A 08/2013 NOTES: 1. All linear dimensions are in millimeters. Dimensions in parenthesis are for reference only. Dimensioning and tolerancing per ASME Y14.5M. 2. This drawing is subject to change without notice. 3. This dimension does not include mold flash, protrusions, or gate burrs. Mold flash, protrusions, or gate burrs shall not exceed 0.15 mm, per side. 4. This dimension does not include interlead flash. Interlead flash shall not exceed 0.25 mm, per side. 5. Reference JEDEC registration MO-013, variation AA. www.ti.com EXAMPLE BOARD LAYOUT DW0016B SOIC - 2.65 mm max height SOIC SYMM 16X (2) 1 SYMM 16X (1.65) SEE DETAILS SEE DETAILS 1 16 16 16X (0.6) 16X (0.6) SYMM SYMM 14X (1.27) 14X (1.27) 9 8 9 8 (9.75) (9.3) HV / ISOLATION OPTION 8.1 mm CLEARANCE/CREEPAGE IPC-7351 NOMINAL 7.3 mm CLEARANCE/CREEPAGE LAND PATTERN EXAMPLE SCALE:4X METAL SOLDER MASK OPENING SOLDER MASK OPENING 0.07 MAX ALL AROUND METAL 0.07 MIN ALL AROUND SOLDER MASK DEFINED NON SOLDER MASK DEFINED SOLDER MASK DETAILS 4221009/A 08/2013 NOTES: (continued) 6. Publication IPC-7351 may have alternate designs. 7. Solder mask tolerances between and around signal pads can vary based on board fabrication site. www.ti.com EXAMPLE STENCIL DESIGN DW0016B SOIC - 2.65 mm max height SOIC SYMM 16X (2) SYMM 16X (1.65) 1 1 16 16X (0.6) 16 16X (0.6) SYMM SYMM 14X (1.27) 14X (1.27) 9 8 9 8 (9.3) (9.75) IPC-7351 NOMINAL 7.3 mm CLEARANCE/CREEPAGE HV / ISOLATION OPTION 8.1 mm CLEARANCE/CREEPAGE SOLDER PASTE EXAMPLE BASED ON 0.125 mm THICK STENCIL SCALE:4X 4221009/A 08/2013 NOTES: (continued) 8. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate design recommendations. 9. Board assembly site may have different recommendations for stencil design. www.ti.com PACKAGE OPTION ADDENDUM www.ti.com 12-Sep-2015 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (°C) Device Marking (4/5) ISO7240CDW ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7240C ISO7240CDWG4 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7240C ISO7240CDWR ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7240C ISO7240CDWRG4 ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7240C ISO7240CFDW ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7240CF ISO7240CFDWG4 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7240CF ISO7240CFDWR ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7240CF ISO7240MDW ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7240M ISO7240MDWG4 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7240M ISO7240MDWR ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7240M ISO7240MDWRG4 ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7240M ISO7241CDW ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7241C ISO7241CDWG4 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7241C ISO7241CDWR ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7241C ISO7241CDWRG4 ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7241C ISO7241MDW ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7241M ISO7241MDWG4 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7241M Addendum-Page 1 Samples PACKAGE OPTION ADDENDUM www.ti.com Orderable Device 12-Sep-2015 Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (°C) Device Marking (4/5) ISO7241MDWR ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7241M ISO7241MDWRG4 ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7241M ISO7242CDW ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7242C ISO7242CDWG4 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7242C ISO7242CDWR ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7242C ISO7242MDW ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7242M ISO7242MDWG4 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7242M ISO7242MDWR ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7242M ISO7242MDWRG4 ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HR -40 to 125 ISO7242M (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Addendum-Page 2 Samples PACKAGE OPTION ADDENDUM www.ti.com (4) 12-Sep-2015 There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device. (6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish value exceeds the maximum column width. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. 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OTHER QUALIFIED VERSIONS OF ISO7240CF, ISO7241C, ISO7242C : • Automotive: ISO7240CF-Q1, ISO7241C-Q1, ISO7242C-Q1 NOTE: Qualified Version Definitions: • Automotive - Q100 devices qualified for high-reliability automotive applications targeting zero defects Addendum-Page 3 PACKAGE MATERIALS INFORMATION www.ti.com 11-Sep-2015 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant ISO7240CDWR SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 ISO7240CFDWR SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 ISO7240MDWR SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 ISO7241CDWR SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 ISO7241MDWR SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 ISO7242CDWR SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 ISO7242MDWR SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 11-Sep-2015 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) ISO7240CDWR SOIC DW 16 2000 367.0 367.0 38.0 ISO7240CFDWR SOIC DW 16 2000 367.0 367.0 38.0 ISO7240MDWR SOIC DW 16 2000 367.0 367.0 38.0 ISO7241CDWR SOIC DW 16 2000 367.0 367.0 38.0 ISO7241MDWR SOIC DW 16 2000 367.0 367.0 38.0 ISO7242CDWR SOIC DW 16 2000 367.0 367.0 38.0 ISO7242MDWR SOIC DW 16 2000 367.0 367.0 38.0 Pack Materials-Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. 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