GENERAL DESCRIPTION

The ADM3483E/ADM3486E/ADM3488E/ADM3490E/ADM3491E are 3.3 V, low power data transceivers with

±15 kV ESD protection suitable for full- and half-duplex communication on multipoint bus transmission lines. They are designed for balanced data transmission, and they comply with TIA/EIA standards RS­485 and RS-422.

FEATURES

TIA/EIA RS-485/RS-422 compliant

±15 kV ESD protection on RS-485 input/output pins

Data rates

ADM3483E/ADM3488E: 250 kbps

ADM3486E: 2.5 Mbps

ADM3490E/ADM3491E: 12 Mbps

Half- and full-duplex options

Up to 32 nodes on the bus

Receiver open-circuit, fail-safe design

Low power shutdown current (ADM3483E/ADM3486E/ADM3491E only)

Outputs high-Z when disabled or powered off

Common-mode input range: −7 V to +12 V

Thermal shutdown and short-circuit protection

Industry-standard 75176 pinout

8-lead and 14-lead narrow SOIC packages

APPLICATIONS

Power/energy metering

Telecommunications

EMI-sensitive systems

Industrial control

Local area networks