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ST491A - LOW POWER HIGH SPEED RS-485/RS-422 TRANSCEIVER

General Description

The ST491A is a low power transceiver for RS-485 and RS-422 communications.

The device contains one driver and one receiver in full duplex configuration.

The ST491A draws 5mA (typ.) of supply current when unloaded and operates from a single 5V supply.

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www.DataSheet4U.com ST491A LOW POWER HIGH SPEED RS-485/RS-422 TRANSCEIVER s s s s s s s s LOW SUPPLY CURRENT: 5mA MAX DESIGNED FOR RS485 INTERFACE APPLICATIONS -7 TO 12 COMMON MODE INPUT VOLTAGE RANGE 70mV TYPICAL INPUT HYSTERESIS DESIGNED FOR 25Mbps OPERATION OPERATE FROM SINGLE 5 SUPPLY ±4kV ESD PROTECTION CURRENT LIMITING AND THERMAL SHUTDOWN FOR DRIVER OVERLOAD PROTECTION DIP SOP DESCRIPTION The ST491A is a low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in full duplex configuration. The ST491A draws 5mA (typ.) of supply current when unloaded and operates from a single 5V supply.