High-Speed 3.3V/5V RS-485/RS-422 Transceiver with ±35kV HBM ESD Protection

Industry's Fastest Dual-Voltage RS-485/RS-422 Transceiver with Highest ESD Protection

Please check latest availability status for a specific part variant.


The MAX14783E is a half-duplex RS-485/422 transceiver that operates at either 3.3V or 5V rails with high ±35kV ESD performance and up to 42Mbps data rate. The device is optimized for high speeds over extended cable runs while maximizing tolerance to noise.

The MAX14783E is available in 8-pin µMAX®, 8-pin SO, and 8-pin TDFN-EP packages. The device in the TDFN-EP package operates over the -40°C to +125°C temperature range. The MAX14783E in the µMAX and SO packages operates over the -40°C to +85°C and -40°C to +125°C temperature ranges.

MAX14783E: Functional Diagram MAX14783E: Functional Diagram Enlarge+

Key Features

  • Integrated Protection Increases Robustness
    • High ESD Protection
      • ±35kV HBM ESD per JEDEC JS-001-2012
      • ±20kV Air Gap IEC 61000-4-2
      • ±12kV Contact ESD per IEC 61000-4-2
    • Short-Circuit Protected Outputs
    • True Fail-Safe Receiver Prevents False Transition on Receiver Input Short or Open Events
    • Hot-Swap Capability Eliminates False Transitions During Power-Up or Hot Insertion
  • 3V to 5.5V Supply Voltage Range
  • High-Speed Data Rates up to 42Mbps
  • -40°C to +125°C Operating Temperature
  • Allows Up to 32 Transceivers on the Bus
  • Low 10µA (max) Shutdown Current for Lower Power Consumption


  • Backplane Busses
  • Encoder Interfaces
  • Field Bus Networks
  • Motion Controllers
Part NumberTx/RxDuplexVSUPPLY
Data Rate
ESD Protect.
Tx ENRx ENICC (Shutdn.)
Rx/Tx on BusRx Failsafe w/ InputsSlew Rate LimitingOper. Temp.
typmintypSee Notes
MAX14783E 1Tx + 1RxHalf3.0 to 5.51.94200035YesYes1032Open or ShortedNo
-40 to +85
-40 to +125
SOIC (N)/8
$2.10 @1k
See All RS-485/RS-422 Line Driver/Receivers (205)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Tools & Models

  • MAX14783E IBIS Model
  • CAD Symbols and Footprints

  • MAX14783EASA+
  • MAX14783EASA+T
  • MAX14783EATA+
  • MAX14783EATA+T
  • MAX14783EAUA+
  • MAX14783EAUA+T
  • MAX14783EESA+
  • MAX14783EESA+T
  • MAX14783EEUA+
  • MAX14783EEUA+T
  • MAX14783EGUA+
  • MAX14783EGUA+T
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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    Belle Isle 2020
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    2020 Detroit Grand Prix - Chevrolet Detroit Grand Prix presented by Lear Fast Facts The Chevrolet Detroit Grand Prix presented by Lear was hosted on Belle Isle, May 29 - 30 2020. The event featured the cars of the NTT IndyCar Series, the IMSA WeatherTech SportsCar Championship and the Trans Am Series presented by Pirelli. The weekend is collectively referred to as the Chevrolet Detroit Grand Prix presented by Lear and it once again featured the Chevrolet Dual in Detroit IndyCar doubleheader.