ST485ABN

超高速低功耗RS - 485 / RS - 422收发器 Very high speed low power RS-485/RS-422 transceiver

Description

The ST485A is a low power, high speed transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in half duplex configuration. The ST485A draws 3 mA typ. of supply current when unloaded or fully loaded with disabled drivers. It operates from a single 5 V supply.

Features

■ Low supply current: 5 mA max

■ High data rate > 30 Mbps

■ Designed for RS 485 interface applications

■ -7 to 12 common mode input voltage range

■ Driver maintains high impedance in 3-state or with the power off

■ 70mV typical input hysteresis

■ Operate from single 5 supply

■ ±4 kV ESD protection

■ Current limiting and thermal shutdown for driver overload protection

■ Latch-up free up to 500 mA