AiP485B
Low-Power 500Kbps Full Fail-Safe RS-485 Transceiver

The AiP485B is 3V~5.5V powered transceiver that meets the RS-485 standards for balanced communication.

This transceiver delivers at least a 2.1V differential output voltage on 5V supply condition, into the RS-485 required 54Ω load, for better noise immunity. This 500Kbps device has very low bus currents so that presents a true “1/8 unit load” to the RS-485 bus. This allows up to 256 transceivers on the network without using repeaters.

Receiver (Rx) inputs feature a “Full Fail-Safe” design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or on a terminated but undriven bus.


  • 主要特点

  • 产品文档

  • Wide supply voltage 3V to 5.5V

  • Hot plug circuitry-Tx and Rx outputs remain three-state during power-up/power-down

  • Data rate: up to 500Kbps

  • Full fail-safe (open, short, terminated) receivers

  • Up to 256 nodes on a bus (1/8 unit load)

  • Bus-Pin Protection: ±15kV HBM protection

  • Specified from -40℃ to +85℃

  • Packaging information: SOP8/MSOP8/DFN8


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