RS-485 & RS-422 transceivers
Increase data reliability and system performance across longer distances
Explore our portfolio of high-performance transceivers for RS-422 and RS-485 interfaces. Our RS-422 and RS-485 transceivers provide integrated protection and high immunity in the industry's smallest packages for reliable performance in harsh and noisy environments.
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ESD-integrated transceivers
RS-485 transceivers with integrated ESD protection up to 30-kV IEC 61000-4-2 contact discharge protection and 30-kV HBM protection to reduce cost and board space by eliminating external protection
Fault-protected transceivers
RS-485 transceivers with high bus-fault protection on data pins and wide common-mode voltage that are designed to protect and perform in harsh industrial environments
Surge-protected transceivers
RS-485 transceivers with a high level of integrated surge protection (IEC 61000-4-5) to reduce external protection components
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Technical resources
Application note
Using THVD80x0 Devices to Communicate Over an AC Outlet
THVD8000 and THVD8010 are excellent when using two wires to achieve power line communication for RS-485 signal. Learn system solutions to transfer RS-485 signal over 110-V AC, for 220-V AC or a few hundred volts DC power line.
Application note
RS-485: High-Fault Protection, Wide-Input Common Mode, and Deglitch Function
Learn how features like fault protection, input common mode ranges, and deglitch enables can help designers to create a more robust RS-485 system. Each feature is discussed and lab tested using THVD24x0 devices with results.
Application note
RS-485: What is Auto-Direction and Why it is Useful in Systems?
The RS-485 auto-direction feature is discussed and lab tested using THVD14x6 devices. The auto-direction feature makes THVD14x6 a good choice when the system has limited isolation channels or GPIO pins.