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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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