DS3695A, DS3695AT, DS3696A www.ti.com SNLS353C – FEBRUARY 1996 – REVISED APRIL 2013 DS3695A/DS3695AT/DS3696A Multipoint RS485/RS422 Transceivers Check for Samples: DS3695A, DS3695AT, DS3696A FEATURES DESCRIPTION • The DS3695A and DS3696A are high speed differential TRI-STATE bus/line transceivers designed to meet the requirements of EIA standard RS485 with extended common mode range (+12V to −7V), for multipoint data transmission. In addition they are compatible with requirements of RS-422. 1 2 • • • • • • • • Meets EIA Standard RS485 for Multipoint Bus Transmission and is Compatible with RS-422 10 Ns Driver Propagation Delays (Typical) Single +5V Supply −7V to +12V Bus Common Mode Range Permits ±7V Ground Difference between Devices on the Bus Thermal Shutdown Protection High Impedance to Bus with Driver in TRISTATE or with Power Off, over the Entire Common Mode Range Allows the Unused Devices on the Bus to be Powered Down Combined Impedance of a Driver Output and Receiver Input is less than One RS485 Unit Load, Allowing up to 32 Transceivers on the Bus 70 mV Typical Receiver Hysteresis Available in SOIC Packaging The driver and receiver outputs feature TRI-STATE capability. The driver outputs remain in over the entire common mode range of +12V to −7V. Bus faults that cause excessive power dissipation within the device trigger a thermal shutdown circuit, which forces the driver outputs into the high impedance state. The DS3696A provides an output pin (TS) which reports the thermal shutdown of the device. TS is an “open collector” pin with an internal 10 kΩ pullup resistor. This allows the TS outputs of several devices to be wire OR-ed. Both AC and DC specifications are guaranteed over the 0°C to 70°C temperature and 4.75V to 5.25V supply voltage range. Connection and Logic Diagrams Figure 1. Molded Package, Small Outline (D0008A) Top View Figure 2. Top View (See Package Number D0008A) TS was LF (Line Fault) on previous datasheets, TS goes low upon thermal shutdown. 1 2 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 1996–2013, Texas Instruments Incorporated DS3695A, DS3695AT, DS3696A SNLS353C – FEBRUARY 1996 – REVISED APRIL 2013 www.ti.com 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. Absolute Maximum Ratings (1) (2) Supply Voltage, VCC 7V Control Input Voltages 7V Driver Input Voltage 7V Driver Output Voltages +15V/−10V Receiver Input Voltages +15V/−10V Receiver Output Voltage 5.5V Continuous Power Dissipation @ 25°C D0008A Package 630 mW −65°C to +150°C Storage Temp. Range Lead Temp. (Soldering 4 seconds) (1) (3) 260°C “Absolute maximum ratings” are those beyond which the safety of the device cannot be verified. They are not meant to imply that the device should be operated at these limits. The tables of “Electrical Characteristics” provide conditions for actual device operation. If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. Derate linearly at 6.5 mW/°C to 337 mW at 70°C. (2) (3) Recommended Operating Conditions Supply Voltage, VCC Bus Voltage Min Max Units 4.75 5.25 V −7 +12 V Operating Free Air Temperature (TA) Commercial (DS3695AM) Industrial (DS3695ATM) Commercial (DS3696AM) Electrical Characteristics 0 +70 °C −40 +85 °C 0 +70 °C Typ Max Units 5 V (1) (2) 0°C ≤ TA ≤ 70°C, 4.75V < VCC < 5.25V unless otherwise specified Parameter VOD1 VOD2 Test Conditions Differential Driver Output Voltage (Unloaded) Differential Driver Output Voltage (with Load) Min IO = 0 R = 50Ω; (RS-422) (3) 2 R = 27Ω; (RS-485) V 1.5 V ΔVOD Complementary Output States Differential Output Voltage For Change in Magnitude of Driver VOC Driver Common Mode Output Voltage 3.0 V Δ|VOC| Change in Magnitude of Driver Common Mode Output Voltage For Complementary Output States 0.2 V VIH Input High Voltage VIL Input Low Voltage VCL Input Clamp Voltage IIN = −18 mA −1.5 V IIL Input Low Current VIL = 0.4V −200 μA IIH Input High Current VIH = 2.4V 20 μA (1) (2) (3) 2 R = 27Ω 0.2 DI, DE, RE , RE/DE 2 V V 0.8 V All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device ground unless otherwise specified. All typicals are given for VCC = 5V and TA = 25°C. All limits for which this note is applied must be derated by 10% for DS3695AT. Other parameters remain the same for this extended temperature range device (−40°C ≤ TA ≤ +85°C). Submit Documentation Feedback Copyright © 1996–2013, Texas Instruments Incorporated Product Folder Links: DS3695A DS3695AT DS3696A DS3695A, DS3695AT, DS3696A www.ti.com SNLS353C – FEBRUARY 1996 – REVISED APRIL 2013 Electrical Characteristics (1) (2) (continued) 0°C ≤ TA ≤ 70°C, 4.75V < VCC < 5.25V unless otherwise specified Parameter IIN Test Conditions Input Current RI, RI, DO/RI, DO/RI VCC = 0V or 5.25V, DE or RE /DE = 0V VTH Differential Input Threshold Voltage for Receiver −7V ≤ VCM ≤ +12V ΔVTH Receiver Input Hysteresis VCM = 0V VOH Receiver Output High Voltage VOL Output Low Voltage Max Units VIN = 12V +1.0 mA VIN = −7V −0.8 mA IOH = −400 μA IOL = 16 mA TS V 0.5 V IOL = 8 mA 0.45 V ±20 μA 0.4V ≤ VO ≤ 2.4V, VCC = Max, RIN Receiver Input Resistance −7V ≤ VCM ≤ +12V ICC Supply Current No Load (3) Output Current Receiver Short-Circuit V mV 2.4 (3) Output Current at Receiver OFF-State (High Impedance) IOSR +0.2 70 RO Output Current Driver Short-Circuit Typ −0.2 IOZR IOSD Min VO = −7V 12 kΩ Driver Outputs Enabled 42 60 mA Driver Outputs Disabled 27 40 mA −250 mA +250 mA (3) VO = +12V (3) −15 VO = 0V −85 mA Receiver Switching Characteristics 0°C ≤ TA ≤ 70°C, 4.75V < VCC < 5.25V unless otherwise specified Symbol (4) Min Typ Max Units tPLH CL = 15 pF 15 28 42 ns tPHL S1 and S2 15 28 42 ns |tPLH–tPHL| Closed 0 3 tPLZ CL = 15 pF, S2 Open 5 29 35 ns tPHZ CL = 15 pF, S1 Open 5 12 16 ns tPZL CL = 15 pF, S2 Open 7 15 28 ns tPZH CL = 15 pF, S1 Open 7 15 20 ns Min Typ Max Units (4) Test Conditions ns All typicals are given for VCC = 5V and TA = 25°C. Driver Switching Characteristics 0°C ≤ TA ≤ 70°C, 4.75V < VCC < 5.25V unless otherwise specified Symbol (1) Test Conditions SINGLE ENDED CHARACTERISTICS (Figure 7, Figure 8, and Figure 10) tPLH RLDIFF = 60Ω 9 15 22 ns tPHL CL1 = CL2 = 100 pF 9 15 22 ns 0 2 8 ns 7 15 30 ns tSKEW|tPLH–tPHL| tPLZ CL = 15 pF, S2 Open tPHZ CL = 15 pF, S1 Open 7 15 30 ns tPZL CL = 100 pF, S2 Open 30 35 50 ns tPZH CL = 100 pF, S1 Open 30 35 50 ns 6 10 18 ns DIFFERENTIAL SWITCHING CHARACTERISTICS (Figure 10) tr, tf (1) RLDIFF = 60Ω CL1 = CL2 = 100 pF All typicals are given for VCC = 5V and TA = 25°C. Copyright © 1996–2013, Texas Instruments Incorporated Product Folder Links: DS3695A DS3695AT DS3696A Submit Documentation Feedback 3 DS3695A, DS3695AT, DS3696A SNLS353C – FEBRUARY 1996 – REVISED APRIL 2013 www.ti.com AC TEST CIRCUITS AND SWITCHING WAVEFORMS Figure 3. Receiver Propagation Delay Test Circuit Differential input voltage may be realized by grounding RI and pulsing RI between +2.5V and −2.5V Figure 4. Receiver Input-to-Output Propagation Delay Timing Figure 5. Receiver Enable/Disable Propagation Delay Timing Figure 6. Unless Otherwise Specified the Switches are Closed 4 Submit Documentation Feedback Copyright © 1996–2013, Texas Instruments Incorporated Product Folder Links: DS3695A DS3695AT DS3696A DS3695A, DS3695AT, DS3696A www.ti.com SNLS353C – FEBRUARY 1996 – REVISED APRIL 2013 Figure 7. Driver Propagation Delay Test Circuits tPLH and tPHL are measured to the respective 50% points. tSKEW is the difference between propagation delays of the complementary outputs. Figure 8. Driver Input-to-Output Propagation Delay Timing (Single-Ended) Figure 9. Driver Enable/Disable Propagation Delay Timing Figure 10. Driver Differential Transition Timing Copyright © 1996–2013, Texas Instruments Incorporated Product Folder Links: DS3695A DS3695AT DS3696A Submit Documentation Feedback 5 DS3695A, DS3695AT, DS3696A SNLS353C – FEBRUARY 1996 – REVISED APRIL 2013 www.ti.com Table 1. Function Tables DS3695A/DS3696A Transmitting (1) Inputs Line Outputs RE DE DI Condition DO DO TS * (DS3696A Only) X 1 1 No Fault 0 1 H X 1 0 No Fault 1 0 H X 0 X X Z Z H X 1 X Fault Z Z L Table 2. Function Tables DS3695A/DS3696A Receiving (1) Inputs (1) (1) Outputs RE DE RI–RI RO TS * (DS3696A Only) 0 0 ≥+0.2V 1 H 0 0 ≤−0.2V 0 H 0 0 Inputs Open** 1 H 1 0 X Z H X — Don't care condition Z — High impedance state Fault — Improper line conditions causing excessive power dissipation in the driver, such as shorts or bus contention situations * TS is an “open collector” output with an on-chip 10 kΩ pull-up resistor. ** This is a fail safe condition X — Don't care condition Z — High impedance state Fault — Improper line conditions causing excessive power dissipation in the driver, such as shorts or bus contention situations * TS is an “open collector” output with an on-chip 10 kΩ pull-up resistor. ** This is a fail safe condition Typical Application Repeater control logic not shown. Figure 11. 6 Submit Documentation Feedback Copyright © 1996–2013, Texas Instruments Incorporated Product Folder Links: DS3695A DS3695AT DS3696A DS3695A, DS3695AT, DS3696A www.ti.com SNLS353C – FEBRUARY 1996 – REVISED APRIL 2013 REVISION HISTORY Changes from Revision B (April 2013) to Revision C • Page Changed layout of National Data Sheet to TI format ............................................................................................................ 6 Copyright © 1996–2013, Texas Instruments Incorporated Product Folder Links: DS3695A DS3695AT DS3696A Submit Documentation Feedback 7 PACKAGE OPTION ADDENDUM www.ti.com 1-Nov-2013 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) DS3695AM NRND SOIC D 8 95 TBD Call TI Call TI 0 to 70 DS36 95AM DS3695AM/NOPB ACTIVE SOIC D 8 95 Green (RoHS & no Sb/Br) SN | CU SN Level-1-260C-UNLIM 0 to 70 DS36 95AM DS3695AMX NRND SOIC D 8 2500 TBD Call TI Call TI 0 to 70 DS36 95AM DS3695AMX/NOPB ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) SN | CU SN Level-1-260C-UNLIM 0 to 70 DS36 95AM DS3695ATM NRND SOIC D 8 95 TBD Call TI Call TI -40 to 85 DS369 5ATM DS3695ATM/NOPB ACTIVE SOIC D 8 95 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 DS369 5ATM DS3695ATMX NRND SOIC D 8 2500 TBD Call TI Call TI -40 to 85 DS369 5ATM DS3695ATMX/NOPB ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 85 DS369 5ATM (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 1 Samples PACKAGE OPTION ADDENDUM www.ti.com (4) 1-Nov-2013 There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. 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Addendum-Page 2 PACKAGE MATERIALS INFORMATION www.ti.com 11-Oct-2013 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 DS3695AMX SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 DS3695AMX/NOPB SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 DS3695ATMX SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 DS3695ATMX/NOPB SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 11-Oct-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) DS3695AMX SOIC D 8 2500 367.0 367.0 35.0 DS3695AMX/NOPB SOIC D 8 2500 367.0 367.0 35.0 DS3695ATMX SOIC D 8 2500 367.0 367.0 35.0 DS3695ATMX/NOPB SOIC D 8 2500 367.0 367.0 35.0 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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