The MAX3225CUP+ is a full-duplex RS232 transceiver from Analog Devices, packing two drivers and two receivers into a 20-TSSOP package. It handles serial data at 1 Mbps, which covers the standard RS232 baud rates up to 115.2 kbps with margin for higher-speed point-to-point links. The 500 mV receiver hysteresis cleans up noisy lines — useful when the cable run picks up motor-drive or switching-supply hash.
Surface-mount 20-TSSOP (4.40 mm width) with a supplier device package of 20-TSSOP. The 0.65 mm pitch is layout-friendly on a two-layer board — no micro-via needed for fan-out.
