Product Tree

RS-232 Overview

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

Complete portfolio

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

High-speed transceivers

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, the portfolio is compatible with numerous processors with interfaces down to 1.8 V and includes the industry’s smallest QFN transceiver

Featured products

TRS3122E

TRS3122E

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

TRS3243E

TRS3243E

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

TRS3223-Q1

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

Technical resources

Reference designs

Reference designs

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

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Online support

WEBENCH Interface Designer

Ask questions, share knowledge and help solve problems with fellow engineers in TI’s E2E™ Community

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Blog posts

Online support

Read about a wide variety of RS-232 system design topics in TI’s blogs.

Browse blog posts

TI provides a complete portfolio of RS-232 transceivers and line drivers with multiple transmit (Tx) and receive (Rx) combinations to enable serial ports within numerous applications. These IC solutions also include options such as single supply solutions (1.8V to 5.5V) with up to 15kV ESD protection, data rates up to 1000kbits/s (1Mbit/s), and advanced power-down features that provide low-power consumption for mobile and battery operated products.