Product Folder Sample & Buy Support & Community Tools & Software Technical Documents ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 ISO734x-Q1 Robust EMC, Low-Power, Quad-Channel Reinforced Digital Isolators 1 Features • • 1 • • • • • • • • • • • Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range – Device HBM Classification Level 3A – Device CDM Classification Level C6 Signaling Rate: 25 Mbps Integrated Noise Filter on the Inputs Default Output High and Low Options Low Power Consumption, Typical ICC per Channel at 1 Mbps: – ISO7340-Q1: 0.9 mA (5-V Supplies), 0.7 mA (3.3-V Supplies) – ISO7341-Q1: 1.2 mA (5-V Supplies), 0.9 mA (3.3-V Supplies) – ISO7342-Q1: 1.3 mA (5-V Supplies), 0.9 mA (3.3-V Supplies) Low Propagation Delay: 31 ns Typical (5-V Supplies) 3.3-V and 5-V Level Translation 70-KV/μs Transient Immunity, Typical (5-V Supplies) Robust Electromagnetic Compatibility (EMC) – System-level ESD, EFT, and Surge Immunity – Low Emissions Operates from 3.3-V and 5-V Supplies Wide-Body SOIC-16 Package Safety-Related Certifications: – 4242-VPK Basic Isolation per DIN V VDE V 0884-10 and DIN EN 61010-1 – 3-KVRMS Isolation for 1 minute per UL 1577 – CSA Component Acceptance Notice 5A, IEC 60950-1 and IEC 61010-1 End Equipment Standards – GB4943.1-2011 CQC Certified 2 Applications • Optocoupler Replacement in: – Industrial Fieldbus – Profibus – – – – – Modbus – DeviceNetTM Data Buses Servo Control Interface Motor Control Power Supplies Battery Packs 3 Description The ISO734x-Q1 family of devices provides galvanic isolation up to 3000 VRMS for 1 minute per UL 1577 and 4242 VPK per VDE V 0884-10. These devices have four isolated channels comprised of logic input and output buffers separated by a silicon dioxide (SiO2) insulation barrier. The ISO7340-Q1 device has four channels in forward direction, the ISO7341-Q1 device has three forward and one reverse-direction channels, and the ISO7342-Q1 device has two forward and two reversedirection channels. In case of input power or signal loss, the default output is low for orderable part numbers with suffix F and high for orderable part numbers without suffix F. See the Device Functional Modes section for further details. Device Information(1) PART NUMBER PACKAGE BODY SIZE ISO7340-Q1 ISO7341-Q1 SOIC (16) 10.30 mm × 7.50 mm ISO7342-Q1 (1) For all available packages, see the orderable addendum at the end of the datasheet. Simplified Schematic VCCI Isolation Capacitor VCCO INx OUTx ENx GNDI GNDO VCCI and GNDI are supply and ground connections respectively for the input channels. VCCO and GNDO are supply and ground connections respectively for the output. 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. ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com Table of Contents 1 2 3 4 5 6 7 Features .................................................................. Applications ........................................................... Description ............................................................. Revision History..................................................... Description (continued)......................................... Pin Configuration and Functions ......................... Specifications......................................................... 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7.10 7.11 7.12 7.13 7.14 7.15 7.16 1 1 1 2 3 4 5 Absolute Maximum Ratings ..................................... 5 ESD Ratings ............................................................ 5 Recommended Operating Conditions....................... 5 Thermal Information .................................................. 6 Power Ratings........................................................... 6 Insulation Specifications............................................ 7 Safety-Related Certifications..................................... 8 Safety Limiting Values .............................................. 8 Electrical Characteristics—5-V Supply ..................... 9 Supply Current Characteristics—5-V Supply .......... 9 Electrical Characteristics—3.3-V Supply .............. 10 Supply Current Characteristics—3.3-V Supply ..... 10 Switching Characteristics—5-V Supply................. 11 Switching Characteristics—3.3-V Supply.............. 11 Insulation Characteristics Curves ......................... 12 Typical Characteristics .......................................... 13 8 9 Parameter Measurement Information ................ 15 Detailed Description ............................................ 17 9.1 9.2 9.3 9.4 Overview ................................................................. Functional Block Diagram ....................................... Feature Description................................................. Device Functional Modes........................................ 17 17 18 19 10 Application and Implementation........................ 20 10.1 Application Information.......................................... 20 10.2 Typical Application ................................................ 20 11 Power Supply Recommendations ..................... 24 12 Layout................................................................... 25 12.1 Layout Guidelines ................................................. 25 12.2 Layout Example .................................................... 25 13 Device and Documentation Support ................. 26 13.1 13.2 13.3 13.4 13.5 13.6 13.7 Documentation Support ........................................ Related Links ........................................................ Receiving Notification of Documentation Updates Community Resource............................................ Trademarks ........................................................... Electrostatic Discharge Caution ............................ Glossary ................................................................ 26 26 26 26 26 26 26 14 Mechanical, Packaging, and Orderable Information ........................................................... 27 4 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Changes from Original (July 2016) to Revision A Page • CQC certification is now certified instead of planned ............................................................................................................. 1 • Changed the minimum air gap (clearance) parameter (L(I01)) to the external clearance parameter.................................... 7 • Changed the minimum external tracking (creepage) parameter (L(I02)) to the external creepage parameter...................... 7 • Changed the input-to-output test voltage parameter (VPR) to the apparent charge parameter (qpd)...................................... 7 • Changed the typ value for the enable propagation delay, high impedance-to-high output parameter of the FC devices and the typ value for the enable propagation delay, high impedance-to-low output parameter of the C devices from 16 to 16000 in the Switching Characteristics—3.3-V Supply table................................................................. 11 • Added the Receiving Notification of Documentation Updates section ................................................................................ 26 2 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 5 Description (continued) Used in conjunction with isolated power supplies, these devices help prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. The ISO734x-Q1 device has integrated noise filter for harsh industrial environment where short noise pulses may be present at the device input pins. The ISO734x-Q1 device has TTL input thresholds and operates from 3-V to 5.5-V supply levels. Through innovative chip design and layout techniques, electromagnetic compatibility of the ISO734x-Q1 family of devices has been significantly enhanced to enable system-level ESD, EFT, surge, and emissions compliance. Copyright © 2015–2016, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 3 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com 6 Pin Configuration and Functions DW Package 16-Pin SOIC ISO7340-Q1 Top View DW Package 16-Pin SOIC ISO7341-Q1 Top View VCC1 GND1 1 16 VCC1 GND1 16 15 VCC2 GND2 1 2 2 15 VCC2 GND2 INA 3 14 OUTA INA 3 14 OUTA INB 4 13 OUTB INB 4 13 OUTB INC 5 12 OUTC 5 12 OUTC IND 6 11 OUTD INC OUTD 6 11 IND NC 7 10 EN 7 10 GND1 8 9 EN1 GND1 8 9 EN2 GND2 GND2 DW Package 16-Pin SOIC ISO7342-Q1 Top View VCC1 1 16 VCC2 GND1 2 15 GND2 INA 3 14 OUTA INB 4 13 OUTB OUTC 5 12 INC OUTD 6 11 IND EN1 7 10 EN2 GND1 8 9 GND2 Pin Functions PIN NAME NO. I/O DESCRIPTION ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 EN 10 — — I Output enable. All output pins are enabled when EN is high or disconnected and disabled when EN is low. EN1 — 7 7 I Output enable 1. Output pins on side-1 are enabled when EN1 is high or disconnected 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 disconnected and disabled when EN2 is low. 2 2 2 8 8 8 GND1 — Ground connection for VCC1 — Ground connection for VCC2 9 9 9 15 15 15 INA 3 3 3 I Input, channel A INB 4 4 4 I Input, channel B INC 5 5 12 I Input, channel C IND 6 11 11 I Input, channel D NC 7 — — — No connect pins are floating with no internal connection OUTA 14 14 14 O Output, channel A OUTB 13 13 13 O Output, channel B OUTC 12 12 5 O Output, channel C OUTD 11 6 6 O Output, channel D VCC1 1 1 1 — Power supply, VCC1 VCC2 16 16 16 — Power supply, VCC2 GND2 4 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 7 Specifications 7.1 Absolute Maximum Ratings See (1) Supply voltage (2) VCC VCC1, VCC2 Voltage INx, OUTx, ENx MIN MAX –0.5 6 –0.5 UNIT V VCC + 0.5 (3) V IO Output current ±15 mA TJ Maximum junction temperature 150 °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 except differential I/O bus voltages are with respect to the local ground terminal (GND1 or GND2) and are peak voltage values. Maximum voltage must not exceed 6 V. 7.2 ESD Ratings VALUE V(ESD) (1) Electrostatic discharge Human-body model (HBM), per AEC Q100-002 (1) ±4000 Charged-device model (CDM), per AEC Q100-011 ±1500 UNIT V AEC Q100-002 indicates that HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification. 7.3 Recommended Operating Conditions MIN NOM UNIT Supply voltage IOH High-level output current IOL Low-level output current VIH High-level input voltage 2 5.5 V VIL Low-level input voltage 0 0.8 V tui Input pulse duration 1 / tui Signaling rate 25 Mbps TJ Junction temperature (1) 136 °C TA Ambient temperature 125 °C (1) 3 MAX VCC1, VCC2 5.5 –4 V mA 4 mA 40 ns 0 –40 25 To maintain the recommended operating conditions for TJ, see the Thermal Information table. Copyright © 2015–2016, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 5 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com 7.4 Thermal Information ISO734x-Q1 THERMAL METRIC (1) DW (SOIC) UNIT 16 PINS RθJA Junction-to-ambient thermal resistance 78.4 °C/W RθJC(top) RθJB Junction-to-case(top) thermal resistance 41 °C/W Junction-to-board thermal resistance 43 ψJT °C/W Junction-to-top characterization parameter 15.6 °C/W ψJB Junction-to-board characterization parameter 42.5 °C/W RθJC(bottom) Junction-to-case(bottom) thermal resistance n/a °C/W (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report. 7.5 Power Ratings VCC1 = VCC2 = 5.5 V, TJ = 150°C, CL = 15 pF, Input a 12.5-MHz 50% duty cycle square wave PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PD Maximum power dissipation by both sides of ISO7340-Q1 92 PD1 Maximum power dissipation by side-1 of ISO7340-Q1 24 PD2 Maximum power dissipation by side-2 of ISO7340-Q1 68 PD Maximum power dissipation by both sides of ISO7341-Q1 PD1 Maximum power dissipation by side-1 of ISO7341-Q1 42 PD2 Maximum power dissipation by side-2 of ISO7341-Q1 60 PD Maximum power dissipation by both sides of ISO7342-Q1 111 PD1 Maximum power dissipation by side-1 of ISO7342-Q1 55.5 PD2 Maximum power dissipation by side-2 of ISO7342-Q1 55.5 6 Submit Documentation Feedback mW 102 mW mW Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 7.6 Insulation Specifications PARAMETER TEST CONDITIONS VALUE UNIT GENERAL External clearance (1) Shortest terminal-to-terminal distance through air >8 mm CPG External creepage (1) Shortest terminal-to-terminal distance across the package surface >8 mm DTI Distance through the insulation Minimum internal gap (internal clearance) >13 µm CTI Comparative tracking index DIN EN 60112 (VDE 0303-11); IEC 60112 >400 V Rated mains voltage ≤ 300 VRMS I–IV Rated mains voltage ≤ 600 VRMS I–III Rated mains voltage ≤ 1000 VRMS I-II CLR Material group II Overvoltage Category DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 (2) VIORM Maximum repetitive peak isolation voltage AC voltage (bipolar) VIOTM Maximum transient isolation voltage VTEST = VIOTM; t = 60 s (qualification); t = 1 s (100% production) VIOSM Maximum surge isolation voltage (3) Test method per IEC 60065, 1.2/50 µs waveform, VTEST = 1.3 × VIOSM = 7800 VPK (qualification) qpd Apparent charge (4) Barrier capacitance, input to output (5) CIO Isolation resistance, input to output (5) RIO 1414 VPK 4242 VPK 6000 VPK Method a: After I/O safety test subgroup 2/3, Vini = VIOTM, tini = 60 s; Vpd(m) = 1.2 × VIORM = 1697 VPK, tm = 10 s ≤5 Method a: After environmental tests subgroup 1, Vini = VIOTM, tini = 60 s; Vpd(m) = 1.6 × VIORM = 2262 VPK, tm = 10 s ≤5 Method b1: At routine test (100% production) and preconditioning (type test) Vini = VIOTM, tini = 1 s; Vpd(m) = 1.875 × VIORM = 2651 VPK, tm = 1 s (100% production) ≤5 VIO = 0.4 sin (2πft), f = 1 MHz 2.4 VIO = 500 V, TA = 25°C >1012 VIO = 500 V, 100°C ≤ TA ≤ x°C >1011 VIO = 500 V at TS = 150°C >109 Pollution degree 2 Climatic category 40/125/21 pC pF Ω UL 1577 VISO (1) (2) (3) (4) (5) VTEST = VISO = 3000 VRMS, t = 60 s (qualification); VTEST = 1.2 × VISO = 3600 VRMS, t = 1 s (100% production) Withstand isolation voltage 3000 VRMS Creepage and clearance requirements should be applied according to the specific equipment isolation standards of an application. Care should be taken to maintain the creepage and clearance distance of a board design to ensure that the mounting pads of the isolator on the printed-circuit board do not reduce this distance. Creepage and clearance on a printed-circuit board become equal in certain cases. Techniques such as inserting grooves and/or ribs on a printed circuit board are used to help increase these specifications. This coupler is suitable for safe electrical insulation only within the maximum operating ratings. Compliance with the safety ratings shall be ensured by means of suitable protective circuits. Testing is carried out in air or oil to determine the intrinsic surge immunity of the isolation barrier. Apparent charge is electrical discharge caused by a partial discharge (pd). All pins on each side of the barrier tied together creating a two-terminal device Copyright © 2015–2016, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 7 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com 7.7 Safety-Related Certifications VDE CSA Certified according to DIN V VDE V 0884-10 Approved under CSA Component (VDE V 0884-10):2006-12 and DIN EN 61010- Acceptance Notice 5A, IEC 60950-1, and 1 (VDE 0411-1):2011-07 IEC 61010-1 UL CQC Recognized component under UL 1577 Certified according to GB4943.1-2011 Basic Insulation; Maximum Transient Overvoltage, 4242 VPK; Maximum Surge Isolation Voltage, 6000 VPK; Maximum Repetitive Peak Isolation Voltage, 1414 VPK 800 VRMS Basic Insulation and 400 VRMS Reinforced Insulation working voltage per CSA 60950-1-07+A1+A2 and IEC 60950-1 2nd Ed.+A1+A2; 300 VRMS Basic Insulation working voltage per CSA 61010-1-12 and IEC 61010-1 3rd Ed. Single protection, 3000 VRMS (1) Reinforced Insulation, Altitude ≤ 5000 m, Tropical Climate, 250 VRMS maximum working voltage Certificate number: 40016131 Master contract number: 220991 File number: E181974 Certificate number: CQC15001121716 (1) Production tested ≥ 3600 VRMS for 1 second in accordance with UL 1577. 7.8 Safety Limiting Values Safety limiting intends to minimize potential damage to the isolation barrier upon failure of input or output circuitry. A failure of the I/O 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 IS TS TEST CONDITIONS Safety input, output, or supply current MIN TYP MAX RθJA = 78.4 °C/W, VI = 5.5 V, TJ = 150°C, TA = 25°C, see Figure 1 290 RθJA = 78.4 °C/W, VI = 3.6 V, TJ = 150°C, TA = 25°C, see Figure 1 443 Safety temperature UNIT mA 150 The safety-limiting constraint is the maximum junction temperature specified in the data sheet. 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 Information table is that of a device installed on a high-K test board for leaded surface-mount packages. 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. 8 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 7.9 Electrical Characteristics—5-V Supply VCC1 and VCC2 at 5 V ± 10% (over recommended operating conditions unless otherwise noted) PARAMETER MIN TYP IOH = –4 mA; see Figure 14 TEST CONDITIONS VCCO (1) – 0.5 4.7 IOH = –20 μA; see Figure 14 VCCO (1) – 0.1 5 VOH High-level output voltage VOL Low-level output voltage VI(HYS) Input threshold voltage hysteresis IIH High-level input current VIH = VCC at INx or ENx IIL Low-level input current VIL = 0 V at INx or ENx CMTI Common-mode transient immunity VI = VCC or 0 V; see Figure 17 CI Input capacitance (2) VI = VCC/2 + 0.4 sin (2πft), f = 1 MHz, VCC = 5 V (1) (2) MAX UNIT V IOL = 4 mA; see Figure 14 0.2 0.4 IOL = 20 μA; see Figure 14 0 0.1 V 480 mV 10 μA –10 μA 25 70 kV/μs 3.4 pF VCCO is supply voltage, VCC1 or VCC2, for the output channel being measured. Measured from input pin to ground. 7.10 Supply Current Characteristics—5-V Supply All inputs switching with square wave clock signal for dynamic ICC measurement. VCC1 and VCC2 at 5 V ± 10% (over recommended operating conditions unless otherwise noted) PARAMETER TEST CONDITIONS SUPPLY CURRENT MIN TYP MAX ICC1 0.6 1.4 ICC2 0.4 0.8 ICC1 0.6 1.4 ICC2 3.2 4.8 ICC1 1.4 2.3 ICC2 5.6 7.1 ICC1 2.7 4 ICC2 9.3 12 ICC1 0.8 1.8 ICC2 0.7 1.3 ICC1 2 3.2 ICC2 2.9 4.4 ICC1 3.2 4.5 ICC2 4.9 6.5 ICC1 5 7 ICC2 7.8 11 Disable ICC1, ICC2 0.7 1.6 DC to 1 Mbps ICC1, ICC2 2.5 4 10 Mbps ICC1, ICC2 4.1 5.6 25 Mbps ICC1, ICC2 6.4 9 UNIT ISO7340-Q1 EN = 0 V Disable DC to 1 Mbps Supply current DC Signal: VI = VCC or 0 V, AC Signal: All channels switching with square wave clock input; CL = 15 pF 10 Mbps 25 Mbps mA ISO7341-Q1 EN1 = EN2 = 0 V Disable DC to 1 Mbps Supply current DC Signal: VI = VCC or 0 V, AC Signal: All channels switching with square wave clock input; CL = 15 pF 10 Mbps 25 Mbps mA ISO7342-Q1 EN1 = EN2 = 0 V Supply current DC Signal: VI = VCC or 0 V, AC Signal: All channels switching with square wave clock input; CL = 15 pF Copyright © 2015–2016, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 mA 9 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com 7.11 Electrical Characteristics—3.3-V Supply VCC1 and VCC2 at 3.3 V ± 10% (over recommended operating conditions unless otherwise noted) PARAMETER MIN TYP IOH = –4 mA; see Figure 14 TEST CONDITIONS VCCO (1) – 0.5 3 IOH = –20 μA; see Figure 14 VCCO (1) – 0.1 3.3 VOH High-level output voltage VOL Low-level output voltage VI(HYS) Input threshold voltage hysteresis IIH High-level input current VIH = VCC at INx or ENx IIL Low-level input current VIL = 0 V at INx or ENx CMTI Common-mode transient immunity VI = VCC or 0 V; see Figure 17 (1) MAX UNIT V IOL = 4 mA; see Figure 14 0.2 0.4 IOL = 20 μA; see Figure 14 0 0.1 V 450 mV 10 μA –10 μA 25 50 kV/μs VCCO is supply voltage, VCC1 or VCC2, for the output channel being measured. 7.12 Supply Current Characteristics—3.3-V Supply All inputs switching with square wave clock signal for dynamic ICC measurement. VCC1 and VCC2 at 3.3 V ± 10% (over recommended operating conditions unless otherwise noted) PARAMETER TEST CONDITIONS SUPPLY CURRENT MIN TYP MAX ICC1 0.4 0.7 ICC2 0.3 0.6 ICC1 0.4 0.7 ICC2 2.3 3.6 ICC1 0.9 1.3 ICC2 3.9 5.1 ICC1 1.6 2.4 ICC2 6.3 8 ICC1 0.6 1 ICC2 0.5 0.8 ICC1 1.4 2.3 ICC2 2.2 3.2 ICC1 2.2 3 ICC2 3.4 4.5 ICC1 3.3 4.7 ICC2 5.2 7.2 Disable ICC1, ICC2 0.5 0.9 DC to 1 Mbps ICC1, ICC2 1.8 2.8 10 Mbps ICC1, ICC2 2.8 4 25 Mbps ICC1, ICC2 4.3 5.8 UNIT ISO7340-Q1 EN = 0 V Disable DC to 1 Mbps Supply current DC Signal: VI = VCC or 0 V, AC Signal: All channels switching with square wave clock input; CL = 15 pF 10 Mbps 25 Mbps mA ISO7341-Q1 EN1 = EN2 = 0 V Disable DC to 1 Mbps Supply current DC Signal: VI = VCC or 0 V, AC Signal: All channels switching with square wave clock input; CL = 15 pF 10 Mbps 25 Mbps mA ISO7342-Q1 EN1 = EN2 = 0 V Supply current 10 DC Signal: VI = VCC or 0 V, AC Signal: All channels switching with square wave clock input; CL = 15 pF Submit Documentation Feedback mA Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 7.13 Switching Characteristics—5-V Supply VCC1 and VCC2 at 5 V ± 10% (over recommended operating conditions unless otherwise noted) PARAMETER tPLH, tPHL Propagation delay time PWD (1) Pulse width distortion |tPHL – tPLH| TEST CONDITIONS MIN TYP MAX 20 31 58 ns 4 ns Same-direction Channels 2.5 ns Opposite-direction Channels 17 ns 23 ns See Figure 14 UNIT tsk(o) (2) Channel-to-channel output skew time tsk(pp) (3) Part-to-part skew time tr Output signal rise time tf Output signal fall time tPHZ Disable propagation delay, high-to-high impedance output 7 13 ns tPLZ Disable propagation delay, low-to-high impedance output 7 13 ns 7 13 15000 23000 (4) 15000 23000 (4) 7 13 tfs (3) (4) ISO734xFCQDWQ1 and ISO734xFCQDWRQ1 ns ns See Figure 15 ISO734xCQDWQ1 and ISO734xCQDWRQ1 ns ISO734xFCQDWQ1 and ISO734xFCQDWRQ1 Fail-safe output delay time from input power loss ns 1.7 ISO734xCQDWQ1 and ISO734xCQDWRQ1 Enable propagation delay, high impedance-to-low output tPZL (1) (2) See Figure 14 Enable propagation delay, high impedance-to-high output tPZH 2.1 See Figure 16 9.4 μs Also known as Pulse Skew. tsk(o) is the skew between outputs of a single device with all driving inputs connected together and the outputs switching in the same direction while driving identical loads. tsk(pp) is the magnitude of the difference in propagation delay times between any terminals of different devices switching in the same direction while operating at identical supply voltages, temperature, input signals and loads. The enable signal rate should be ≤ 43 Kbps. 7.14 Switching Characteristics—3.3-V Supply VCC1 and VCC2 at 3.3 V ± 10% (over recommended operating conditions unless otherwise noted) PARAMETER tPLH, tPHL Propagation delay time PWD (1) Pulse width distortion |tPHL – tPLH| tsk(o) (2) tsk(pp) (3) TEST CONDITIONS See Figure 14 MIN TYP MAX 22 35 66 2.5 Same-direction Channels Channel-to-channel output skew time 3 Opposite-direction Channels Part-to-part skew time 28 Output signal rise time tf Output signal fall time tPHZ Disable propagation delay, high-to-high impedance output 9 18 tPLZ Disable propagation delay, low-to-high impedance output 9 18 9 18 16000 24000 (4) 16000 24000 (4) 9 18 tPZL tfs (1) (2) (3) (4) ns 16 tr tPZH UNIT 2.8 See Figure 14 Enable propagation delay, high impedanceto-high output Enable propagation delay, high impedanceto-low output ISO734xCQDWQ1 and ISO734xCQDWRQ1 ISO734xFCQDWQ1 and ISO734xFCQDWRQ1 See Figure 15 ISO734xCQDWQ1 and ISO734xCQDWRQ1 ISO734xFCQDWQ1 and ISO734xFCQDWRQ1 Fail-safe output delay time from input power loss ns 2.1 See Figure 16 9.4 ns μs Also known as Pulse Skew. tsk(o) is the skew between outputs of a single device with all driving inputs connected together and the outputs switching in the same direction while driving identical loads. tsk(pp) is the magnitude of the difference in propagation delay times between any terminals of different devices switching in the same direction while operating at identical supply voltages, temperature, input signals and loads. The enable signal rate should be ≤ 45 Kbps. Copyright © 2015–2016, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 11 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com 7.15 Insulation Characteristics Curves 500 Safety Limiting Current (mA) VCC1 = VCC2 = 3.6 V VCC1 = VCC2 = 5.5 V 400 300 200 100 0 0 50 100 150 Ambient Temperature (qC) 200 D001 Figure 1. Thermal Derating Curve for Limiting Current per VDE 12 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 7.16 Typical Characteristics 6 10 ICC2 at 5 V ICC2 at 3.3 V ICC1 at 5 V ICC1 at 3.3 V Supply Current (mA) 8 ICC2 at 5 V ICC2 at 3.3 V ICC1 at 5 V ICC1 at 3.3 V 5 Supply Current (mA) 9 7 6 5 4 3 2 4 3 2 1 1 0 0 0 5 10 TA = 25°C 15 20 Data Rate (Mbps) 25 0 30 CL = 15 pF 10 15 20 Data Rate (Mbps) TA = 25°C Figure 2. ISO7340-Q1 Supply Current vs Data Rate (15-pF Load) 25 30 D001 CL = No Load Figure 3. ISO7340-Q1 Supply Current vs Data Rate (No Load) 6 9 ICC1 at 3.3 V ICC1 at 5 V ICC2 at 3.3 V ICC2 at 5 V 7 ICC1 at 3.3 V ICC1 at 5 V ICC2 at 3.3 V ICC2 at 5 V 5 Supply Current (mA) 8 Supply Current (mA) 5 D001 6 5 4 3 4 3 2 2 1 1 0 0 0 5 10 TA = 25°C 15 20 Data Rate (Mbps) 25 30 0 5 D001 CL = 15 pF 10 15 20 Data Rate (Mbps) TA = 25°C Figure 4. ISO7341x-Q1 Supply Current vs Data Rate (15-pF Load) 25 30 D001 CL = No Load Figure 5. ISO7341x-Q1 Supply Current vs Data Rate (No Load) 7 5 4.5 6 Supply Current (mA) Supply Current (mA) 4 5 4 3 2 ICC1 at 3.3 V ICC1 at 5 V ICC2 at 3.3 V ICC2 at 5 V 1 3.5 3 2.5 2 1.5 ICC1 at 3.3 V ICC1 at 5 V ICC2 at 3.3 V ICC2 at 5 V 1 0.5 0 0 0 5 TA = 25°C 10 15 20 Data Rate (Mbps) 25 30 CL = 15 pF Figure 6. ISO7342x-Q1 Supply Current vs Data Rate (15-pF Load) Copyright © 2015–2016, Texas Instruments Incorporated 0 5 D001 10 15 20 Data Rate (Mbps) TA = 25°C 25 30 D002 CL = No Load Figure 7. ISO7342x-Q1 Supply Current vs Data Rate (No Load) Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 13 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com Typical Characteristics (continued) 6 0.9 Low-Level Output Voltage (V) High-Level Output Voltage (V) 0.8 5 4 3 2 1 VCC at 3.3 V VCC at 5 V 0 -15 0.7 0.6 0.5 0.4 0.3 0.2 VCC at 3.3 V VCC at 5 V 0.1 0 -10 -5 High-Level Output Current (mA) 0 0 TA = 25°C 40 Propagation Delay Time (ns) Power Supply Under-Voltage Threshold (V) 42 VCC Rising VCC Falling 2.42 2.4 2.38 2.36 2.34 38 36 34 32 tPHL at 3.3 V tPHL at 5 V tPLH at 3.3 V tPLH at 5 V 30 2.32 -50 0 50 100 Free-Air Temperature (qC) 28 -40 150 0 27 120 Pk-Pk Output Jitter (ps) 140 25 23 21 19 20 40 60 80 100 Free-Air Temperature (qC) 140 D006 100 80 60 40 20 tGS at 3.3 V tGS at 5 V 120 Figure 11. Propagation Delay Time vs Free-Air Temperature 29 17 -20 D005 Figure 10. Power Supply Undervoltage Threshold vs FreeAir Temperature Input Glitch Suppression Time (ns) D004 Figure 9. Low-Level Output Voltage vs Low-Level Output Current 2.46 15 -40 15 TA = 25°C Figure 8. High-Level Output Voltage vs High-level Output Current 2.44 5 10 Low-Level Output Current (mA) D003 Output Jitter at 3.3 V Output Jitter at 5 V 0 -5 30 65 Free-Air Temperature (qC) 100 135 0 5 D007 10 15 Data Rate (Mbps) 20 25 D008 TA = 25°C Figure 12. Input Glitch Suppression Time vs Free-Air Temperature 14 Submit Documentation Feedback Figure 13. Output Jitter vs Data Rate Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 ISOLATION BARRIER 8 Parameter Measurement Information IN Input Generator See Note A 50 Ω VI VCCI VI VCC/2 OUT VCC/2 0V tPHL tPLH VO CL See Note B VOH 90% VO 50% 10% tf tr 50% VOL A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 50 kHz, 50% duty cycle, tr ≤ 3 ns, tf ≤ 3ns, ZO = 50 Ω. At the input, 50 Ω resistor is required to terminate Input Generator signal. It is not needed in actual application. B. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%. Figure 14. Switching Characteristics Test Circuit and Voltage Waveforms VCC 0V ISOLATION BARRIER VCC IN VI IN 3V EN Input Generator See Note A VI VO 0V tPLZ tPZL VO CL See Note B VCC/2 VCC/2 VI OUT VCC 0.5 V 50% VOL 50 Ω ISOLATION BARRIER Input Generator See Note A R L = 1 kΩ ± 1% VCC OUT VO VCC/2 VI VCC/2 0V EN CL See Note B 50 Ω tPZH R L = 1 kΩ ± 1% VOH 50% VO 0.5 V tPHZ A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 10 kHz, 50% duty cycle, tr ≤ 3 ns, tf ≤ 3 ns, ZO = 50 Ω. B. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%. 0V Figure 15. Enable/Disable Propagation Delay Time Test Circuit and Waveform Copyright © 2015–2016, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 15 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com Parameter Measurement Information (continued) VI IN = 0 V (Devices without suffix F) IN = VCC (Devices with suffix F) A. VCC ISOLATION BARRIER VCC IN 2.7 V VI OUT 0V tfs VO fs high VO CL See Note A VOH 50% fs low V OL CL = 15 pF and includes instrumentation and fixture capacitance within ±20%. Figure 16. Failsafe Delay Time Test Circuit and Voltage Waveforms 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%. Figure 17. Common-Mode Transient Immunity Test Circuit 16 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 9 Detailed Description 9.1 Overview The isolator in Figure 18 is based on a capacitive isolation-barrier technique. The I/O channel of the device consists of two internal data channels, a high-frequency (HF) channel with a bandwidth from 100 kbps up to 25 Mbps, and a low-frequency (LF) channel covering the range from 100 kbps down to DC. In principle, a single-ended input signal entering the HF channel is split into a differential signal through the inverter gate at the input. The following capacitor-resistor networks differentiate the signal into transient pulses, which then are converted into CMOS levels by a comparator. The transient pulses at the input of the comparator can be either above or below the common-mode voltage VREF depending on whether the input bit transitioned from 0 to 1 or 1 to 0. The comparator threshold is adjusted based on the expected bit transition. A decision logic (DCL) at the output of the HF channel comparator 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-frequency 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, 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 Low t Frequency Channel (DC...100 kbps) PWM VREF LPF 0 Polarity and Threshold Selection IN OUT 1 S High t Frequency Channel (100 kbps...25 Mbps) DCL VREF Polarity and Threshold Selection Figure 18. Conceptual Block Diagram of a Digital Capacitive Isolator Copyright © 2015–2016, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 17 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com 9.3 Feature Description The ISO734x-Q1 family of devices are available in multiple channel configurations and default output state options to enable wide variety of application uses. ORDERABLE DEVICE ISO7340CQDWQ1 and ISO7340CQDWRQ1 ISO7340FCQDWQ1 and ISO7340FCQDWRQ1 ISO7341CQDWQ1 and ISO7341CQDWRQ1 ISO7341FCQDWQ1 and ISO7341FCQDWRQ1 ISO7342CQDWQ1 and ISO7342CQDWRQ1 ISO7342FCQDWQ1 and ISO7342FCQDWRQ1 (1) CHANNEL DIRECTION RATED ISOLATION MAXIMUM DATA RATE High 4 Forward, 0 Reverse 3 Forward, 1 Reverse DEFAULT OUTPUT Low High 3000 VRMS / 4242 VPK (1) 25 Mbps Low High 2 Forward, 2 Reverse Low See the Safety-Related Certifications section for detailed isolation ratings. 9.3.1 Electromagnetic Compatibility (EMC) Considerations Many applications in harsh industrial environment are sensitive to disturbances such as electrostatic discharge (ESD), electrical fast transient (EFT), surge, and electromagnetic emissions. These electromagnetic disturbances are regulated by international standards such as IEC 61000-4-x and CISPR 22. Although system-level performance and reliability depends, to a large extent, on the application board design and layout, the ISO734xQ1 family of devices incorporates many chip-level design improvements for overall system robustness. Some of these improvements include: • Robust ESD protection cells for input and output signal pins and inter-chip bond pads. • Low-resistance connectivity of ESD cells to supply and ground pins. • Enhanced performance of high voltage isolation capacitor for better tolerance of ESD, EFT and surge events. • Bigger on-chip decoupling capacitors to bypass undesirable high energy signals through a low impedance path. • PMOS and NMOS devices isolated from each other by using guard rings to avoid triggering of parasitic SCRs. • Reduced common mode currents across the isolation barrier by ensuring purely differential internal operation. 18 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 9.4 Device Functional Modes Table 1 lists the functional modes for the ISO734x-Q1 family of devices. Table 1. Function Table (1) VCCI VCCO PU (1) (2) (3) INPUT (INx) OUTPUT ENABLE (ENx) H L PU OUTPUT (OUTx) ISO734xCQDWQ1 AND ISO734xCQDWRQ1 ISO734xFCQDWQ1 AND ISO734xFCQDWRQ1 H or Open H H H or Open L L X L Z Z Open H or Open H (2) L (3) PD PU X H or Open H (2) L (3) X PU X L Z Z X PD X X Undetermined Undetermined VCCI = Input-side VCC; VCCO = Output-side VCC; PU = Powered up (VCC ≥ 3 V); PD = Powered down (VCC ≤ 2.1 V); X = Irrelevant; H = High level; L = Low level ; Z = High Impedance In fail-safe condition, output defaults to high level In fail-safe condition, output defaults to low level 9.4.1 Device I/O Schematics Input (Devices Without Suffix F) VCCI VCCI Input (Devices With Suffix F) VCCI VCCI VCCI VCCI VCCI 5 mA 500 W 500 W INx INx 5 mA Output Enable VCCO VCCO VCCO VCCO VCCO 5 mA 40 W 500 W OUTx ENx Figure 19. Device I/O Schematics Copyright © 2015–2016, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 19 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 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 The ISO734x-Q1 family of devices use single-ended TTL-logic switching technology. The supply voltage range is from 3 V to 5.5 V for both supplies, VCC1 and VCC2. When designing with digital isolators, keep in mind that because of 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 The ISO734x-Q1 family of devices combined with Texas Instruments' precision analog-to-digital converter and mixed signal micro-controller can create an advanced isolated data acquisition system as shown in Figure 20. ISO-BARRIER 5VISO 5VISO 0.1 F 22 AVDD 11 RTD 12 Bridge 17 0.1 F DVDD AIN1+ A0 AIN1± A1 AIN2+ DOUT 13 14 16 Current shunt 15 14 7 13 27 12 28 11 5VISO AIN2± AIN3+ REF± 9,15 5VISO GAIN0 GAIN1 AIN4+ SPEED AIN4± PWDN AGND 21 VCC2 VCC1 EN2 EN1 OUTA OUTB INA ISO7341 OUTC INB INC IND OUTD GND2 GND1 19 16 0.1 F 10 23 14 24 13 25 12 26 11 9,15 DGND VCC1 VCC2 EN NC OUTA OUTB INA ISO7340 INB OUTC INC OUTD IND GND2 GND1 3.3 V 0.1 F 1 7 2 0.1 F 3 11 4 12 5 14 6 13 P3.0 DVcc 3.3 V CLK MSP430 F2132 SOMI XIN P3.7 P3.6 15 P3.4 5 P3.5 6 18 17 16 DVss 1 7 XOUT P3.1 2,8 20 0.1 F AIN3± 10 8 ADS1234 REF+ Thermo couple 3.3 V 16 1 SCLK 18 5VISO 0.1 F 0.1 F 4 3 4 5 6 2,8 2 Figure 20. Isolated Data-Acquisition System for Process Control 20 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 Typical Application (continued) 10.2.1.1 Design Requirements Unlike optocouplers, which require external components to improve performance, provide bias, or limit current, the ISO734-Q1 family of devices only requires two external bypass capacitors to operate. 10.2.1.2 Detailed Design Procedure 10.2.1.2.1 Typical Supply Current Equations For the equations in this section, the following is true: • ICC1 and ICC2 are typical supply currents measured in mA • f is data rate measured in Mbps • CL is the capacitive load measured in pF 10.2.1.2.1.1 ISO7340-Q1 At VCC1 = VCC2 = 5 V: ICC1 = 0.54366 + (0.0873 × f) ICC2 = 2.74567 + (0.08433 × f) + (0.01 × f × CL) (1) (2) At VCC1 = VCC2 = 3.3 V: ICC1 = 0.3437 + (0.04922 × f) ICC2 = 2.1068 + (0.04374 × f) + (0.007045 × f × CL) (3) (4) 10.2.1.2.1.2 ISO7341-Q1 At VCC1 = VCC2 = 5 V: ICC1 = 1.7403 + (0.1006 × f) + (0.001711 × f × CL) ICC2 = 2.502 + (0.09629 × f) + (0.00687 × f × CL) (5) (6) At VCC1 = VCC2 = 3.3 V: ICC1 = 1.2915 + (0.046 × f) + (0.00185 × f × CL) ICC2 = 1.8833 + (0.0566 × f) + (0.004514 × f × CL) (7) (8) 10.2.1.2.1.3 ISO7342-Q1 At VCC1 = VCC2 = 5 V: ICC1, ICC2 = 2.1254 + (0.08694 × f) + (0.004868 × f × CL) (9) At VCC1 = VCC2 = 3.3 V: ICC1, ICC2 = 1.5912 + (0.0410 × f) + (0.003785 × f × CL) 2 mm max from VCC1 (10) 2 mm max from VCC2 ISO7340 0.1 µF 2 mm max from VCC1 0.1 µF ISO7341 0.1 µF VCC1 16 2 15 INA 3 14 OUTA INB 4 13 OUTB INC 5 12 OUTC IND 6 11 OUTD 7 10 0.1 µF 16 2 15 INA 3 14 OUTA INB 4 13 OUTB INC 5 12 OUTD 6 11 7 10 8 9 GND1 GND1 NC GND2 EN 8 9 GND2 GND1 Figure 21. Typical ISO7340-Q1 Circuit Hook-up Copyright © 2015–2016, Texas Instruments Incorporated VCC2 1 VCC2 1 VCC1 2 mm max from VCC2 GND2 OUTC IND EN2 EN1 GND1 GND2 Figure 22. Typical ISO7341-Q1 Circuit Hook-up Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 21 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com Typical Application (continued) 2 mm max from VCC1 2 mm max from VCC2 ISO7342 0.1 µF VCC1 0.1 µF VCC2 1 16 2 15 INA 3 14 OUTA INB 4 13 OUTB OUTC 5 12 INC OUTD 6 11 IND 7 10 8 9 GND1 GND2 EN2 EN1 GND1 GND2 Figure 23. Typical ISO7342-Q1 Circuit Hook-up 10.2.1.3 Application Curves The typical eye diagrams of the ISO734x-Q1 family of devices indicate low jitter and a wide open eye at the maximum data rate of 25 Mbps. Figure 24. Eye Diagram at 25 Mbps, 5 V and 25°C 22 Submit Documentation Feedback Figure 25. Eye Diagram at 25 Mbps, 3.3 V and 25°C Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 Typical Application (continued) 10.2.2 Typical Application for Module with 16 Inputs The ISO7341x-Q1 device and several other components from Texas Instruments can be used to create an isolated serial peripheral interface (SPI) for input module with 16 inputs. VS 3.3 V 0.1 F 2 VCC D2 3 MBR0520L 1:1.33 4 SN6501 10 F GND D1 0.1 F 1 IN OUT 1 TLV70733 3 EN GND 2 3.3VISO 10 F 2 10 F 4, 5 MBR0520L 1 F VIN VOUT 6 22 F REF5025 4 GND ISO-BARRIER 0.1 F 0.1 F 0.1 F 0.1 F 1 4.7 k 2 7 DVCC 5 6 P1.4 XOUT XIN MSP430 G2132 (14-PW) SCLK SDO SDI DVss 6 3 7 4 8 5 9 6 16 VCC1 VCC2 EN1 EN2 INA INB OUTA ISO7341 INC OUTD GND1 4 2, 8 OUTB OUTC IND GND2 9, 15 4.7 k 3 10 14 23 13 24 12 25 11 26 2 28 32 AINP MXO VBD 31 VA REFP CS CH0 SCLK 20 16 Analog Inputs ADS7953 SDI CH15 SDO BDGND 27 AGND 1, 22 5 REFM 30 Figure 26. Isolated SPI for an Analog Input Module With 16 Inputs 10.2.2.1 Design Requirements Refer to Isolated Data Acquisition System for Process Control for the design requirements. 10.2.2.2 Detailed Design Procedure Refer to Isolated Data Acquisition System for Process Control for the detailed design procedures. 10.2.2.3 Application Curves Refer to Isolated Data Acquisition System for Process Control for the application curves. Copyright © 2015–2016, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 23 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com Typical Application (continued) 10.2.3 Typical Application for RS-232 Interface Typical isolated RS-232 interface implementation is shown in Figure 27. VIN 3.3 V 0.1 F 2 VCC D2 MBR0520L 1:2.1 3 1 SN6501 10 F 0.1 F GND D1 1 10 F 4, 5 OUT IN 5VISO 5 LP2985-50 3 ON MBR0520L 4 BP GND 2 10 nF 3.3 F 0.1 F ISO-BARRIER 0.1 F 0.1 F 16 1 F 0.1 F 16 1 4.7 k 2 DVCC 5 6 XOUT XIN 7 UCA0TXD MSP430 F2132 UCA0RXD DVSS P3.0 P3.1 15 3 16 5 12 4 11 6 VCC1 VCC2 EN1 INA EN2 ISO7342 OUTC INB OUTD GND1 4 2, 8 OUTA INC OUTB IND 1 4.7 k 10 2 1 F 3 14 11 12 12 13 10 11 9 VCC VS+ VS- C1+ C2+ TRS232 C1- C2T1OUT T1IN R1IN R1OUT T2OUT T2IN R2OUT R2IN 6 1 F 4 5 14 13 7 8 1 F TxD RxD RST CST GND GND2 15 9, 15 ISOGND Figure 27. Isolated RS-232 Interface 10.2.3.1 Design Requirements Refer to Isolated Data Acquisition System for Process Control for the design requirements. 10.2.3.2 Detailed Design Procedure Refer to Isolated Data Acquisition System for Process Control for the detailed design procedures. 10.2.3.3 Application Curves Refer to Isolated Data Acquisition System for Process Control for the application curves. 11 Power Supply Recommendations To help ensure reliable operation at 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-Q1. For such applications, detailed power supply design and transformer selection recommendations are available in SN6501-Q1 Transformer Driver for Isolated Power Supplies (SLLSEF3). 24 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 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 100 pF/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 or 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 the Digital Isolator Design Guide (SLLA284). 12.1.1 PCB Material For digital circuit boards operating at less than 150 Mbps, (or rise and fall times greater than 1 ns), and trace lengths of up to 10 inches, use standard FR-4 UL94V-0 printed circuit board. This PCB is preferred over cheaper alternatives because of lower dielectric losses at high frequencies, less moisture absorption, greater strength and stiffness, and the self-extinguishing 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 Copyright © 2015–2016, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 25 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 www.ti.com 13 Device and Documentation Support 13.1 Documentation Support 13.1.1 Related Documentation For related documentation see the following: • Isolation Glossary (SLLA353) • Digital Isolator Design Guide (SLLA284) • SN6501-Q1 Transformer Driver for Isolated Power Supplies (SLLSEF3) 13.2 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 2. Related Links PARTS PRODUCT FOLDER SAMPLE & BUY TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY ISO7340-Q1 Click here Click here Click here Click here Click here ISO7341-Q1 Click here Click here Click here Click here Click here ISO7342-Q1 Click here Click here Click here Click here Click here 13.3 Receiving Notification of Documentation Updates To receive notification of documentation updates, navigate to the device product folder on ti.com. In the upper right corner, click on Alert me to register and receive a weekly digest of any product information that has changed. For change details, review the revision history included in any revised document. 13.4 Community Resource The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use. TI E2E™ Online Community TI's Engineer-to-Engineer (E2E) Community. Created to foster collaboration among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help solve problems with fellow engineers. Design Support TI's Design Support Quickly find helpful E2E forums along with design support tools and contact information for technical support. 13.5 Trademarks E2E is a trademark of Texas Instruments. All other trademarks are the property of their respective owners. 13.6 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. 13.7 Glossary SLYZ022 — TI Glossary. This glossary lists and explains terms, acronyms, and definitions. 26 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 ISO7340-Q1, ISO7341-Q1, ISO7342-Q1 www.ti.com SLLSEK5A – JULY 2015 – REVISED AUGUST 2016 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 © 2015–2016, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: ISO7340-Q1 ISO7341-Q1 ISO7342-Q1 27 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 7-Jul-2016 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) ISO7340CQDWQ1 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7340CQ ISO7340CQDWRQ1 ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7340CQ ISO7340FCQDWQ1 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7340FCQ ISO7340FCQDWRQ1 ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7340FCQ ISO7341CQDWQ1 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7341CQ ISO7341CQDWRQ1 ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7341CQ ISO7341FCQDWQ1 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7341FCQ ISO7341FCQDWRQ1 ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7341FCQ ISO7342CQDWQ1 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7342CQ ISO7342CQDWRQ1 ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7342CQ ISO7342FCQDWQ1 ACTIVE SOIC DW 16 40 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7342FCQ ISO7342FCQDWRQ1 ACTIVE SOIC DW 16 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR -40 to 125 ISO7342FCQ (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. Addendum-Page 1 Samples PACKAGE OPTION ADDENDUM www.ti.com 7-Jul-2016 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. (4) 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. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. Addendum-Page 2 PACKAGE MATERIALS INFORMATION www.ti.com 7-Jul-2016 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 ISO7340CQDWRQ1 SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 ISO7340FCQDWRQ1 SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 ISO7341CQDWRQ1 SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 ISO7341FCQDWRQ1 SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 ISO7342CQDWRQ1 SOIC DW 16 2000 330.0 16.4 10.75 10.7 2.7 12.0 16.0 Q1 ISO7342FCQDWRQ1 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 7-Jul-2016 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) ISO7340CQDWRQ1 SOIC DW 16 2000 367.0 367.0 38.0 ISO7340FCQDWRQ1 SOIC DW 16 2000 367.0 367.0 38.0 ISO7341CQDWRQ1 SOIC DW 16 2000 367.0 367.0 38.0 ISO7341FCQDWRQ1 SOIC DW 16 2000 367.0 367.0 38.0 ISO7342CQDWRQ1 SOIC DW 16 2000 367.0 367.0 38.0 ISO7342FCQDWRQ1 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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