ADM1485 is a differential line transceiver suitable for high speed bidirectional data communication on multipoint bus transmission lines. It is designed for balanced data transmission and complies with both EIA Standards RS-485 and RS-422.
The ADM1485 is a differential line transceiver designed for high-speed bidirectional data communication on multipoint bus transmission lines. It complies with EIA Standards RS-485 and RS-422, featuring a differential line driver and receiver that can be enabled independently.
| Data Rate | 30 Mb/s |
|---|---|
| Supply Voltage | +5 V |
| Common-Mode Range | -7 V to +12 V |
| Driver Propagation Delay | 10 ns (Typ) |
| Receiver Propagation Delay | 25 ns (Typ) |
| Operating Temperature (Commercial) | 0°C to +70°C |
| Operating Temperature (Industrial) | -40°C to +85°C |
Up to 32 transceivers may be connected simultaneously on a bus.
The maximum output short circuit current is 250 mA.
Yes, it includes a thermal shutdown circuit that forces the driver output into a high impedance state if excessive temperature is detected.