RS-485/RS-422 Overview

Reliable, protected devices for long networks, high data-rates & noisy environments

Basic transceivers

3.3-V to 5-V transceivers optimized to meet the needs of cost-sensitive applications

High-ESD transceivers

Devices designed with ESD in mind: up to +30kV IEC 61000-4-2 contact discharge protection and greater than +30kV HBM protection

Fault-robust transceivers

Rugged devices with high bus fault-protection and wide common-mode voltage, designed to perform in harsh industrial environments

Isolated transceivers

Full-duplex and half-duplex isolated RS-485 transceivers with integrated capacitive isolation to provide 2.5-kVrms of isolation between the bus-line transceiver and the logic-level interface

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Featured products


5V RS-485 Transceivers up to 300kbps With ±8kV IEC ESD Protection


70-V fault-protected, 3.3-V to 5-V RS-485 transceiver with up to 1 Mbps data rate


3.3-V, half-duplex RS-485 with IEC ESD protection and up to 50 Mbps data rate

Technical resources

On-demand RS-485 training, including overviews and in-depth presentations.

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

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

Read about a wide variety of RS-485 system design topics in TI’s blogs.