ADM489A

Data Sheet Full-Duplex, Low Power, Slew Rate Limited, EIA RS-485 Transceivers ADM488A/ADM489A FEATURES Complies with ANSI TIA/EIA-485-A-1998 and ISO 8482: 1987(E) 250 kbps data rate ±4 kV HBM ESD protection on all pins Single 5 V ± 10% supply −7 V to +12 V bus common-mode range Connect up to 32 nodes on the bus Reduced slew rate for low EM interference Short-circuit protection 30 μA supply current APPLICATIONS Low power RS-485 and RS-422 systems DTE-DCE interface Packet switching Local area networks Data concentration Data multiplexers Integrated services digital network (ISDN) GENERAL DESCRIPTION The ADM488A and ADM489A are low power, differential line transceivers suitable for communication on multipoint bus transmission lines. They are intended for balanced data transmission and comply with both RS-485 and RS-422 standards of the Electronics Industries Association (EIA). Both products contain a single differential line driver and a single differential line receiver, making th...