Features and Benefits

  • Integrated Protection Increases Robustness
    • ±35kV HBM ESD per JEDEC JS-001-2012
    • ±12kV Contact ESD per IEC 61000-4-2
    • ±15kV Air Gap ESD per IEC 61000-4-2
    • True Fail-Safe Receiver Prevents False Transitions on Receiver Input Short or Open
    • Hot Swap Eliminates False Transitions During Power-Up or Hot Insertion
    • Short-Circuit-Protected Outputs
    • Thermal Shutdown Circuitry Prevents Excessive Power Dissipation
  • Low Current Reduces Power Consumption
    • 15µA Shutdown Current
    • 2.5mA Supply Current Typical with No Load
  • Profibus Compliant with Minimum 20Mbps Data Rate
  • Allows Up to 128 Transceivers on the Bus
  • -40°C to +125°C Automotive Temperature Range in Tiny 8-Pin (3mm x 3mm) TDFN

Product Details

The MAX14770E is a half-duplex, ±35kV high ESD-protected, 20Mbps transceiver for PROFIBUS-DP and RS-485 applications. In addition, it can be used for RS-422/V.11 communications. The MAX14770E is designed to meet IEC 61158-2, TIA/EIA-422-B, TIA/EIA-485-A, V.11, and X.27 standards.
The MAX14770E is available in an 8-pin SO and an 8-pin µMAX® specified over the extended temperature range. It is also available in a tiny TDFN (3mm x 3mm) package and specified over the automotive (-40°C to +125°C) temperature range.


  • Industrial Fieldbuses
  • Machine Encoders
  • Motion Controllers
  • PROFIBUS-DP Networks
  • RS-485 Networks

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

PCN-PDN Information

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