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Home » NEWEST Products » New by Manufacturer » Analog Devices Inc. » ADM3485E Low Power Data Transceiver - ADI
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Analog Devices ADM3485E Low Power Data Transceiver

Analog Devices ADM3485E Low Power Data Transceiver

Analog Devices ADM3485E Low Power Data Transceiver provides ±15kV ESD protection and is suitable for half-duplex communication on multipoint bus transmission lines. The ADM3485E is designed for balanced data transmission and complies with TIA/EIA standards RS-485 and RS-422. The ADM3485E is a half-duplex transceiver that shares differential lines and has separate enable inputs for the driver and the receiver. The devices have a 12kΩ receiver input impedance, which allows up to 32 transceivers on a bus. Because only one driver should be enabled at any time, the output of a disabled or powered-down driver is tristated to avoid overloading the bus. The receiver has a fail-safe feature that ensures a logic high output when the inputs are floating. Excessive power dissipation caused by bus contention or by output shorting is prevented with a thermal shutdown circuit.

Features
  • TIA/EIA RS-485/RS-422 compliant
  • ±15kV ESD protection on RS-485 input/output pins
  • 12Mbps data rate
  • Half-duplex transceiver Up to 32 nodes on the bus Receiver open-circuit, fail-safe design Low power shutdown current
  • Outputs high-Z when disabled or powered off Common-mode input range: −7V to +12V Thermal shutdown and short-circuit protection Industry-standard 75176 pinout
  • 8-lead narrow SOIC package
Applications
  • Power/energy metering
  • Telecommunications
  • EMI-sensitive systems Industrial control
  • Local area networks

Learn More About Bourns RS-485 Certified EMC Compliant Interface Design Tool


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  • Analog Devices Inc.