Low power, low-jitter retimers target 4K UHD video and camera interface

Three high-performance retimers, released by Texas Instruments, enable an extended signal range over long traces, connectors and cables without degradation of signal integrity. With up to 60% lower power consumption than competitive devices and a wide temperature range (-40 to 85 degree C), the retimers enable robust video and camera signal quality in desktop and laptop PCs, mobile devices, high-definition televisions (HDTVs), and automotive infotainment systems.

The retimers improve signal quality by removing jitter and compensating loss for signals transmitting over long traces and cables. The DP159 and TMDS181 retimers include adaptive equalisation (EQ) up to 15dB, dynamically adjusting the EQ level to fine-tune system performance and enable better jitter compensation. The devices support multi-gigabit signals, such as DisplayPort and HDMI, up to 6Gbit/s and operate at an extended temperature range, for consumer, automotive and industrial equipment.

Speed and protocol options, reprogrammable channel configuration, and scalable pin-to-pin compatibility for 1.4b and HDMI 2.0 devices enable low power consumption, with increased bandwidth. According to the company, the DOHY440 is the industry’s first four-by-1Gbit/ MIPI camera serial interface (CSI) and display serial interface (DSI) retimer, providing over 10 times higher bandwidth than existing solutions enabling higher resolution camera images over long traces and cables.

The DP159 and TMDS181 include pseudorandom binary sequence (PRBS) generator and real-time diagnostic EyeScan tools for in-system validation, which can be configured to optimise system design.

www.ti.com/hdmi20-pr-eu

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