Reliably transmit data with our RS-232 transceivers

Increase system protection and data rates while lowering power consumption

Enhance RS-232 signaling reliability with our portfolio of transceivers with high-ESD protection. These integrated solutions feature wide voltage ranges down to 1.8 V and a variety of channel configurations and data rates for reliable communication in harsh environments.

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.

Receive fast and reliable technical support from our engineers throughout every step of your design.

Technical Article

Featured RS-232 technical articles