ADM4853ARZ Information

ADM4853 RS-485/RS-422 Transceiver

Analog Devices ADM4853 RS-485/RS-422 differential line transceiver is designed for high-speed, half-duplex and full duplex data communication on multi-point bus transmission lines. The transceiver provides balanced data transmission and complies with EIA Standards RS-485 and RS-422. This half-duplex transceiver shares differential lines and has separate enable inputs for the driver and receiver. The transceiver provides a 1/8-unit load receiver input impedance. This allows up to 256 transceivers on one bus. Only one driver is enabled at a given time. The disabled or powered down driver's output is three-stated to avoid overloading the bus. The receiver inputs include a true fail-safe feature. The fail-safe feature ensures a logic high output level when the inputs are shorted or open. This guarantees that the receiver outputs are in a known state before communication begins and when communication ends. The driver outputs are slew-rate limited to reduce EMI and data errors caused by reflections from improperly terminated buses. A thermal shutdown circuit prevents excessive power dissipation caused by bus contention or by output shorting.Learn More

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Alternate Names

Analog Devices has several brands around the world that may have alternate names for ADM4853ARZ due to regional differences or acquisition. ADM4853ARZ may also be known as the following names: