Analog Devices Inc. LTC2873 RS485/RS232 Multiprotocol Transceivers are robust pin-configurable multiprotocol transceivers that support RS232, RS485, and RS422 protocols. The LTC2873 operates on single 3V to 5.5V supplies. The Analog Devices transceivers can be configured as a half-duplex RS485 transceiver or as an RS232 transceiver using the same two bus pins.
One RS485 or one RS232 transceiver
3V to 5.5V supply voltage
Up to 20Mbps RS485
Slew-Controlled RS232 Operation
Selectable 1Mbps or 250kbps
Automatic selection of integrated RS485 (120Ω) and RS232 (5kΩ) termination resistors