ST490AB is a low power RS-485/RS-422 transceiver featuring 5mA max supply current, -7V to 12V common mode input voltage range, 70mV typical input hysteresis, 25Mbps operation, single 5V supply, ±4kV ESD protection, current limiting and thermal shutdown
The ST490AB is a low power transceiver designed for RS-485 and RS-422 communications, containing one driver and one receiver in a full duplex configuration. It operates from a single 5 V supply and is designed for 25 Mbps operation with low supply current of 5 mA max.
| Supply current (no load) | 5 mA max |
|---|---|
| Common mode input voltage range | -7 V to 12 V |
| Input hysteresis | 70 mV typical |
| Maximum data rate | 25 Mbps |
| Supply voltage | Single 5 V |
| ESD protection | +4 kV |
| Operating temperature range | -40 to 85 °C |
The device is designed for 25 Mbps operation.
The supply current is 5 mA maximum.
The typical input hysteresis is 70 mV.