Features and Benefits

  • Flexibility
    • Use in Full-Duplex or Half-Duplex Applications
    • Wide 3.0V to 5.5V Supply Voltage Range
    • Available with 500kbps and 25Mbps Speed Options
    • Available in 8-Pin and 14-Pin SO and TSSOP Packages
  • Optimized for Performance in Harsh Industrial Environments
    • ±35kV ESD (HBM) Protection on RS-485 I/O Ports
    • Extended Operating Temperature Range
    • Slew-Rate Limited Outputs (MAX14784E/MAX14787E)
    • Integrated Receiver Deglitch Filter Increases Noise Immunity (MAX14784E/MAX14787E/)
    • Short-Circuit Protected Outputs
    • True Fail-Safe Receiver
    • Thermal Shutdown
  • ¼-Unit Load Allows up to 128 Transceivers on the Bus

Product Details

The MAX14784E/MAX14786E/MAX14787E/MAX14789E full-duplex RS-485 transceivers are designed for robust communication in harsh industrial environments. All devices feature ±35kV ESD protection on the RS-485 pins and operate from a 3V to 5.5V supply with a 4mA no-load supply current (max).

The MAX14784E/MAX14787E are optimized for communication over very long cables or short unterminated cables.

The MAX14784E/MAX14786E are available in a 14-pin SO package and and operate over the -40°C to +125°C temperature range. The MAX14786E is also available in a 14-pin TSSOP package.

The MAX14787E/MAX14789E are optimized for space-constrained applications and are available in an 8-pin SO package and operate over the -40°C to +105°C temperature range. 


  • Encoder Interfaces
  • HVAC Control Systems
  • Motion Controllers
  • Utility Meters

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.

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IBIS Models

Reference Designs (1)

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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.

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