Data Sheet
16 Mbps, ESD Protected, Full-Duplex RS-485 Transceivers
ADM1490E/ADM1491E
FEATURES
RS-485/RS-422 full-duplex transceiver for high speed motor control applications
16 Mbps data rate ±8 kV ESD protection on RS-485 input/output pins Complies with ANSI/TIA/EIA-485-A-1998 Open circuit fail-safe Suitable for 5 V power supply applications 32 nodes on the bus (1 unit load) Thermal shutdown protection Operating temperature range: −40°C to +85°C ADM1490E packages
Narrow body, 8-lead SOIC 8-le.
Full-Duplex RS-485 Transceivers
Data Sheet
16 Mbps, ESD Protected, Full-Duplex RS-485 Transceivers
ADM1490E/ADM1491E
FEATURES
RS-485/RS-422 full-duplex transceiver for high speed motor control applications
16 Mbps data rate ±8 kV ESD protection on RS-485 input/output pins Complies with ANSI/TIA/EIA-485-A-1998 Open circuit fail-safe Suitable for 5 V power supply applications 32 nodes on the bus (1 unit load) Thermal shutdown protection Operating temperature range: −40°C to +85°C ADM1490E packages
Narrow body, 8-lead SOIC 8-lead MSOP ADM1491E packages Narrow-body, 14-lead SOIC 10-lead MSOP
APPLICATIONS
RS-485/RS-422 interfaces Industrial field networks High data rate motor control Multipoint data transmission systems Single-ended-to-differential signal conversion
GENERAL DESCRIPTION
The ADM1490E/ADM1491E are RS-485/RS-422 transceivers with ±8 kV ESD protection and are suitable for high speed, fullduplex communication on multipoint transmission lines. In particular, the ADM1490E/ADM1491E are designed for use in .