ANALOG DEVICES ADM2491E English products handbook Rev B
Datasheet
The ADM2491E is a high-speed, ESD-protected, half-/full-duplex iCoupler Isolated RS-485 Transceiver from Analog Devices. The transceiver meets the ANSI TIA/EIA RS-485-A-1998 and ISO 8482: 1987(E) standards, supports 5V or 3.3V operation, has high common-mode transient immunity, and features an open-circuit, fail-safe design. It can operate in a temperature range of -40°C to +85°C.