Interface

Renesas' half duplex and full duplex RS-485/RS-422 transceivers are available in a variety of speed grades to address any application needing reliable data transmission over twisted pair wiring.

Features of the Renesas' RS-485/RS-422 Products

  • A line-up of various products, according to the needs of the system
    • High-speed communication support（~40Mbps）
    • PROFIBUS® support
    • Isolated products
    • 125 °C operation
  • Highest levels of noise tolerance and ESD protection

Categories

Standard RS-485/RS-422

Transmitters, receivers and transceivers designed for low operating voltages

RS-485/422 with Overvoltage Protection

Fault-protected transceivers for robust fault tolerance and high performance

RS-485/422 with Enhanced ESD Protection

Enhanced ESD protected transceivers designed for harsh environments

Product Selection Table

    Processing table
    Primary Feature
    Secondary Feature
    Transmitters (#)
    Receivers (#)
    Devices Allowed on Bus
    Half/Full Duplex
    High ESD Protection
    Hot Plug
    Data Rate
    Supply Voltage Vcc Range
    Slew Rate Limited
    Tx/Rx Enable
    IS Enabled/Disabled
    SHDN ICC
    VL Pin
    Advanced Features
    Lead Count (#)
    Pkg. Type
    Part Number
    ISL31470E
    Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers    		 Overvoltage Protected RS-485/422 1 1 128 Full No Yes 0.25 Mbps 4.5-5.5 Yes Yes 50 µA No 14 SOICN
    ISL31472E
    Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers    		 Overvoltage Protected RS-485/422 1 1 128 Half No Yes 0.25 Mbps 4.5-5.5 Yes Yes 50 µA No 8 SOICN
    ISL31475E
    Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers    		 Overvoltage Protected RS-485/422 1 1 128 Half No Yes 1 Mbps 4.5-5.5 Yes Yes 50 µA No 8 SOICN
    ISL31490E
    ±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V Common Mode Range    		 Overvoltage Protected RS-485/422 1 1 128 Full No Yes 0.25 Mbps 4.5-5.5 Yes Yes 50 µA No 14 SOICN
    ISL31491E
    ±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V Common Mode Range    		 Overvoltage Protected RS-485/422 1 1 128 Full No Yes 0.25 Mbps 4.5-5.5 Yes No N/A µA No 8 SOICN
    ISL31492E
    ±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V Common Mode Range    		 Overvoltage Protected RS-485/422 1 1 128 Half No Yes 0.25 Mbps 4.5-5.5 Yes Yes 50 µA No 8 SOICN
    ISL31495E
    ±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V Common Mode Range    		 Overvoltage Protected RS-485/422 1 1 128 Half No Yes 1 Mbps 4.5-5.5 Yes Yes 50 µA No 8 MSOP
    ISL31496E
    ±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V Common Mode Range    		 Overvoltage Protected RS-485/422 1 1 128 Full No Yes 15 Mbps 4.5-5.5 No Yes 50 µA No 14 SOICN
    ISL3150E
    RS-485/RS-422 Differential Transceiver    		 ESD Protected RS-485/422 Standard Performance 1 1 256 Full Yes-IEC61000 Yes 0.115 Mbps 4.5-5.5 Yes Yes 800/700 µA 0.07 µA No Ruggedized 14, 10 MSOP, SOICN
    ISL3152E
    5V, RS-485/RS-422 Differential Transceiver    		 ESD Protected RS-485/422 Standard Performance 1 1 256 Half Yes-IEC61000 Yes 0.115 Mbps 4.5-5.5 Yes Yes 800/700 µA 0.07 µA No Ruggedized 8 MSOP, SOICN
    ISL3153E
    5V Full Duplex, 1Mbps Slew Rate Limited, IEC61000 ESD Protected with 2.4V Vod RS-485/RS-422 Transceiver    		 ESD Protected RS-485/422 Standard Performance 1 1 256 Full Yes-IEC61000 Yes 1 Mbps 4.5-5.5 Yes Yes 800/700 µA 0.07 µA No Ruggedized 10 MSOP
    ISL3155E
    5V, RS-485/RS-422 Transceiver with 16kV ESD Protection    		 ESD Protected RS-485/422 Standard Performance 1 1 256 Half Yes-IEC61000 Yes 1 Mbps 4.5-5.5 Yes Yes 800/700 µA 0.07 µA No Ruggedized 8 SOICN
    ISL3156E
    16kV ESD Protected, RS-485/RS-422 Differential Transceiver with Full Fail-safe Rx    		 ESD Protected RS-485/422 High Speed 1 1 256 Full Yes-IEC61000 Yes 20 Mbps 4.5-5.5 No Yes 800/700 µA 0.07 µA No High Speed 14, 10 MSOP, SOICN
    ISL3158E
    5V, Full Fail-safe, RS-485/RS-422 Transceiver with ESD Protection    		 ESD Protected RS-485/422 High Speed 1 1 256 Half Yes-IEC61000 Yes 20 Mbps 4.5-5.5 No Yes 800/700 µA 0.07 µA No High Speed 8 MSOP, SOICN
    ISL3159E
    ±15kV ESD Protected, +125°C, 40Mbps, 5V, PROFIBUS®, Full Fail-safe, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 High Speed 1 1 160 Half Yes-IEC61000 Yes 40 Mbps 4.5-5.5 No Yes 2600/2600 µA <1 μA No High Speed 8, 10 DFN, MSOP, SOICN
    ISL3160E
    ±10kV ESD Protected, +125°C, 40Mbps, 5V, Full-Duplex, Full Fail-Safe RS-485/RS-422 Transceiver    		 ESD Protected RS-485/422 High Speed 1 1 160 Full Yes-IEC61000 Yes 40 Mbps 4.5-5.5 No Yes 2600/2600 µA <1 µA No High Speed 14 SOICN
    ISL3170E
    ±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 Standard Performance 1 1 256 Full Yes-IEC61000 Yes 0.25 Mbps 3-3.6 Yes Yes 510/480 µA 0.01 µA No Ruggedized 14, 10 MSOP, SOICN
    ISL3171E
    ±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 Standard Performance 1 1 256 Full Yes-IEC61000 No 0.25 Mbps 3-3.6 Yes No 510 µA N/A µA No Ruggedized 8 MSOP, SOICN
    ISL3172E
    ±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 Standard Performance 1 1 256 Half Yes-IEC61000 Yes 0.25 Mbps 3-3.6 Yes Yes 510/480 µA 0.01 µA No Ruggedized 8 MSOP, SOICN
    ISL3173E
    ±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 Standard Performance 1 1 256 Full Yes-IEC61000 Yes 0.5 Mbps 3-3.6 Yes Yes 510/480 µA 0.01 µA No Ruggedized 14, 10 MSOP, SOICN
    ISL3174E
    ±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 Standard Performance 1 1 256 Full Yes-IEC61000 No 0.5 Mbps 3-3.6 Yes No 510 µA N/A µA No Ruggedized 8 MSOP
    ISL3175E
    ±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 Standard Performance 1 1 256 Half Yes-IEC61000 Yes 0.5 Mbps 3-3.6 Yes Yes 510/480 µA 0.01 µA No Ruggedized 8 MSOP, SOICN
    ISL3176E
    ±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 High Speed 1 1 256 Full Yes-IEC61000 Yes 20 Mbps 3-3.6 No Yes 510/480 µA 0.01 µA No High Speed 14, 10 MSOP, SOICN
    ISL3177E
    ±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 High Speed 1 1 256 Full Yes-IEC61000 No 20 Mbps 3-3.6 No No 510 µA N/A µA No High Speed 8 MSOP, SOICN
    ISL3178E
    ±15kV ESD Protected, 3.3V, Full Fail-Safe, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 High Speed 1 1 256 Half Yes-IEC61000 Yes 20 Mbps 3-3.6 No Yes 510/480 µA 0.01 µA No High Speed 8 MSOP, SOICN
    ISL3179E
    High ESD Protected, +125°C, 40Mbps, 3.3V, Full Fail-Safe, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 High Speed 1 1 160 Half Yes-IEC61000 Yes 40 Mbps 3-3.6 No Yes 2600/2600 µA <1 μA No High Speed 8, 10 DFN, MSOP, SOICN
    ISL3180E
    High ESD Protected, 40Mbps, 3.3V, Full Fail-Safe, RS-485/RS-422 Transceivers    		 ESD Protected RS-485/422 High Speed 1 1 160 Full Yes Yes 40 Mbps 3-3.6 No Yes 2600/2600 µA <1 μA No High Speed 14 SOICN
    ISL32172E
    Quad, ±16.5kV ESD Protected, 3.0V to 5.5V, Low Power, RS-422 Transmitters    		 ESD Protected RS-485/422 High Speed 4 0 256 Yes-IEC61000 Yes 32 Mbps 3-5.5 No Yes - Group Enables 600 µA N/A µA No Ruggedized 16 SOICN, TSSOP
    ISL32173E
    QUAD, ±16.5kV ESD Protected, 3.0V to 5.5V, RS-485/RS-422 Receivers    		 ESD Protected RS-485/422 High Speed 0 4 128 Yes-IEC61000 Yes 80 Mbps 3-5.5 No Yes - Group Enables 15000 µA 15 µA No High Speed 16 SOICN, TSSOP
    ISL32174E
    Quad, ±16.5kV ESD Protected, 3.0V to 5.5V, Low Power, RS-422 Transmitters    		 ESD Protected RS-485/422 High Speed 4 0 256 Yes-IEC61000 Yes 32 Mbps 3-5.5 No Yes - Paired Enables 600 µA N/A µA No High Speed 16 TSSOP
    ISL32177E
    QUAD, ±16.5kV ESD Protected, 3.0V to 5.5V, RS-485/RS-422 Receivers    		 ESD Protected RS-485/422 High Speed 0 4 128 Yes-IEC61000 Yes 80 Mbps 3-5.5 No Yes - Group & Indiv. Enables 15000 µA 15 µA Yes Ruggedized 24 QFN
    ISL32179E
    Quad, ±16.5kV ESD Protected, 3.0V to 5.5V, Low Power, RS-422 Transmitters    		 ESD Protected RS-485/422 High Speed 4 0 256 Yes-IEC61000 Yes 0.46/10/32 Mbps 3-5.5 Yes Yes - Group & Indiv. Enables 600 µA 60 µA Yes High Speed 24 QFN
    ISL32272E
    Quad, ±16.5kV ESD Protected, 3.0V to 5.5V, Low Power, RS-422 Transmitters    		 ESD Protected RS-485/422 High Speed 4 0 256 Yes-IEC61000 Yes 10 Mbps 3-5.5 No Yes - Group Enables 600 µA N/A µA No Ruggedized 16 TSSOP
    ISL32273E
    QUAD, ±16.5kV ESD Protected, 3.0V to 5.5V, RS-485/RS-422 Receivers    		 ESD Protected RS-485/422 High Speed 0 4 128 Yes-IEC61000 Yes 20 Mbps 3-5.5 No Yes - Group Enables 5500 µA 15 µA No High Speed 16 SOICN, TSSOP
    ISL32275E
    QUAD, ±16.5kV ESD Protected, 3.0V to 5.5V, RS-485/RS-422 Receivers    		 ESD Protected RS-485/422 High Speed 0 4 128 Yes-IEC61000 Yes 20 Mbps 3-5.5 No Yes - Paired Enables 5500 µA 60 µA No High Speed 16 TSSOP
    ISL32277E
    QUAD, ±16.5kV ESD Protected, 3.0V to 5.5V, RS-485/RS-422 Receivers    		 ESD Protected RS-485/422 High Speed 0 4 128 Yes-IEC61000 Yes 20 Mbps 3-5.5 No Yes - Group & Indiv. Enables 5500 µA 15 µA Yes High Speed 24 QFN
    ISL32432E
    ±40V Fault Protected, 3.3V to 5V, ±15V Common Mode Range, RS-485/RS-422 Transceivers With Cable Invert and ±15kV ESD    		 Overvoltage Protected RS-485/422 1 1 128 Half Yes No .25 Mbps 3.3-5.5 Yes Yes 10 µA No 8 MSOP, SOICN
    ISL32433E
    ±40V Fault Protected, 3.3V to 5V, ±15V Common Mode Range, RS-485/RS-422 Transceivers With Cable Invert and ±15kV ESD    		 Overvoltage Protected RS-485/422 1 1 128 Full Yes No 1 Mbps 3.3-5.5 Yes Yes 10 µA No 10 MSOP
    ISL32435E
    ±40V Fault Protected, 3.3V to 5V, ±15V Common Mode Range, RS-485/RS-422 Transceivers With Cable Invert and ±15kV ESD    		 Overvoltage Protected RS-485/422 1 1 128 Half Yes No 1 Mbps 3.3-5.5 Yes Yes 10 µA No 8 MSOP, SOICN
    ISL32437E
    ±40V Fault Protected, 3.3V to 5V, ±15V Common Mode Range, RS-485/RS-422 Transceivers With Cable Invert and ±15kV ESD    		 Overvoltage Protected RS-485/422 1 1 128 Half Yes No .25 Mbps 3.3-5.5 Yes Tx Only 10 µA No 8 MSOP, SOICN
    ISL32452E
    ±60V Fault Protected, 3.3V to 5V, ±20V Common Mode Range, RS-485/RS-422 Transceivers with Cable Invert and ±15kV ESD    		 Overvoltage Protected RS-485/422 1 1 128 Half Yes No .25 Mbps 3.0-5.5 Yes Yes 10 µA No 8 MSOP, SOICN
    ISL32455E
    ±60V Fault Protected, 3.3V to 5V, ±20V Common Mode Range, RS-485/RS-422 Transceivers with Cable Invert and ±15kV ESD    		 Overvoltage Protected RS-485/422 1 1 128 Half Yes No 1 Mbps 3.0-5.5 Yes Yes 10 µA No 8 MSOP, SOICN
    ISL32457E
    ±60V Fault Protected, 3.3V to 5V, ±20V Common Mode Range, RS-485/RS-422 Transceivers with Cable Invert and ±15kV ESD    		 Overvoltage Protected RS-485/422 1 1 128 Half Yes No .25 Mbps 3.0-5.5 Yes Tx Only 10 µA No 8 SOICN
    ISL32458E
    ±60V Fault Protected, 3.3V to 5V, ±20V CMR, 20Mbps Half-Duplex RS-485/RS-422, ±15kV ESD    		 Overvoltage Protected RS-485/422 High Speed 1 1 128 Half Yes No 20 Mbps 3.0-5.5 No Yes 10 µA No 8 SOICN
    ISL32459E
    ±60V Fault Protected, 3.3V to 5V, ±20V CMR, 20Mbps RS-485 With Cable Invert, ±15kV ESD    		 Overvoltage Protected RS-485/422 High Speed 1 1 128 Half Yes No 20 Mbps 3.0-5.5 No Tx Only 10 µA No 8 SOICN
    ISL32470E
    Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers with 16.5kV ESD    		 Overvoltage Protected RS-485/422 1 1 128 Full Yes Yes 0.25 Mbps 4.5-5.5 Yes Yes 50 µA No 14 SOICN
    ISL32472E
    Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers with 16.5kV ESD    		 Overvoltage Protected RS-485/422 1 1 128 Half Yes Yes 0.25 Mbps 4.5-5.5 Yes Yes 50 µA No 8 SOICN
    ISL32475E
    Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers with 16.5kV ESD    		 Overvoltage Protected RS-485/422 1 1 128 Half Yes Yes 1 Mbps 4.5-5.5 Yes Yes 50 µA No 8 SOICN
    ISL32478E
    Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers with 16.5kV ESD    		 Overvoltage Protected RS-485/422 High Speed 1 1 128 Half Yes Yes 15 Mbps 4.5-5.5 No Yes 50 µA No 8 SOICN
    ISL32485E
    Fault Protected, Extended CMR, RS-485/RS-422 Transceivers with Cable Invert and ±16.5kV ESD    		 Overvoltage Protected RS-485/422 1 1 128 Half Yes Yes 1 Mbps 4.5-5.5 Yes Tx Only N/A µA No 8 SOICN
    Parametric Table tips

    Tips for Using This Parametric Table:

    • Hide Filters button in header: Collapse or expands filters
    • Column sort buttons in header: Sort Column alphabetically / numerically descending or ascending
    • Reset button in header: Reset all filters to the page default
    • Full Screen button in header: Expand the table to full screen view (user must close out of full screen before they can interact with rest of page)
    • Export button in header: Export the filtered results of the table to an Excel document
    • Filter parts search bar in header: Type to filter table results by part number
    • Hide column button in column headers: Select to hide columns in table
    • AND / OR toggle switches in header: Toggles the logic of this particular filter to be “AND” or “OR” logic for filtering results
    • Multiselect checkboxes at beginning of each row in table: Select these checkboxes to compare products against each other
    • Document icon next to product name in row: View the featured document for this product
    • Chip icon next to the right of the document icon in row: View the block diagram for this product
    • Cart icon to the right of the chip icon: Indicates that samples are available for this product

    Documentation

    Type Title Date
    Training
    R15TB0007: Understanding ESD, EFT, and Surge in RS-422 and RS-485 Networks
    PDF 762 KB
    Training
    R15TB0004: Interfacing a 5V RS-485 Transceiver to a 3V Microcontroller Tutorial
    PDF 208 KB
    Brochure
    Transceivers Brochure
    PDF 2.95 MB
    Training
    R15TB0003: RS-485 Crash Course Part 2 Key Transceiver Parameters Tutorial
    PDF 405 KB
    Training
    R15TB0002: RS-485 Crash Course Part 1: Basics Tutorial
    PDF 239 KB
    Application Note
    R15AN0011: FAQs: RS-485 Transceivers
    PDF 366 KB
    6 items