MAX22503E 3V/5V RS-485/RS-422 Transceiver Analog Devices MAX22503E 3V/5V RS-485/RS-422 Transceiver operates up to 100Mbps and features a larger receiver hysteresis for high noise rejection and improved signal integrity. Integrated hot-swap protection and a failsafe receiver ensures a logic high on the receiver output when input signals are shorted or open for longer than 10μs (typ). The Analog Devices MAX22503E 3V/5V RS-485/RS-422 Transceiver is available in a 14-pin SOIC package and operates over the -40°C to +125°C ambient temperature range.