Description
●The ST490A 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 ST490A draws 5mA (typ.) of supply current when unloaded or fully loaded with disabled drivers. It operates from a single 5V supply.
●General features
●■ Low supply current: 5mA max
●■ -7V to 12V common mode input voltage range
●■ 70mV tipycal input hysteresis
●■ Designed for 25Mbps operation
●■ Operate from a single 5V supply
●■ ±4kV ESD protection
●■ Current limiting and thermal shutdown for driver overload protection
ST Microelectronics
17 Pages / 0.17 MByte
ST Microelectronics
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ST Microelectronics
Low power high speed RS-485/RS-422 transceiver
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