Robust 5 kV RMS Isolated RS-485/RS-422 Transceiver with Level 4 EMC and Full ±42 V Protection
IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4, PLASTIC, EIAJ SC82, SC70, 4 PIN, Power Management Circuit

3.3 V, ⅛ Load, ±15kV ESD Protected, RS-485/RS-422 Transceiver (Half Duplex, 500 kbps, DE/RE)
1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5, LEAD FREE, SOT-23, 5 PIN