These devices are full-duplex RS-485/RS-422 transceivers with ±25V fault protection and ±40kV human body model (HBM) ESD protection for the A/B and Y/Z data lines. The MAX33047E supports data rates of up to 500kbps, while the MAX33048E supports data rates of up to 20Mbps. The Analog Devices MAX33047EEVKIT features a pre-installed MAX33047E on the 8-pin SOIC footprint, allowing users to evaluate both the MAX33047E and the MAX33048E.