RS-232 overview

ESD-protected, high data-rate and low-power mode devices for multiple applications

Complete portfolio

Includes RS-232 devices supporting data rates from 7 kbps to 1000 kbps, integrated ESD and optional IEC-61000-4-2 support and multiple Tx/Rx combinations

High-ESD transceivers

Rugged RS-232 devices designed for harsh environments with up to ±8-kV contact discharge, IEC-61000-4-2 support and ±15-kV HBM ESD

High-speed transceivers

RS-232 transceivers offering a wide range of channel configurations, optimized for applications requiring high data rates up to 1 Mbps

Low-voltage transceivers

Suitable for small and battery powered applications, this portfolio is compatible with numerous processors with interfaces down to 1.8 V and includes the industry’s smallest QFN RS-232 transceiver

Featured RS-232 products


Dual-transmit and receive, 1.8-V, low-power RS-232 transceiver


Multi-channel, 500-kbps, RS-232 driver/receiver with ±15-kV IEC ESD protection and IEC61000-4-2 support


Automotive-qualified, multi-channel, 250-kbps, RS-232 driver/receiver with auto-power down functionality

Technical resources

Browse our complete board-level and system-level reference design circuits to help you quickly evaluate and customize your system.

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Technical Article

Featured RS-232 technical articles