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  • Compliant with DisplayPort Dual mode Specification version 1.1

  • HDMI output is compliant with HDMI specification version 1.4b and DVI specification version 1.0

  • HDMI output supports up to 300 MHz TMDS clock for video transport with resolution up to 4Kx2K@30Hz or 1920x1080@120Hz

  • IIC-over-AUX transaction supported

  • DDC buffer and related control register integrated HDMI Identifier supported

  • Single 3.3V power supply

  • 5V HDMI power supply output supported with over 50mA current output capability

  • Programmable equalizer

  • Programmable Pre-Emphasis on output driver supported

  • CEC isolation switch supported

  • Low power architecture

  • Anti-Back Drive design on sink-side pins

  • RoHS compliant and Halogen free package

  • Crystal free

  • Offered in 40-Pin QFN Package (5 x 5 mm)


Chrontel’s CH7530A is a low-cost, low-power semiconductor device that translates the DisplayPort dual mode signal to HDMI/DVI signal. This innovative device, which integrates programmable equalizer, high speed TMDS level shifter and IIC to AUX translator, is specially designed to target the DP++ to HDMI/DVI adaptor device, docking station and PC market segments.The CH7530A is compliant with the DisplayPort dual mode standard specification version 1.1. With sophisticated equalizer and high-speed TMDS level shifter integrated, the device’s TMDS signal output is compliant with HDMI specification version 1.4b and DVI specification version 1.0, and supports video resolution up to 4Kx2K@30Hz or 1920x1080@120Hz for 3D applications.The CH7530A also integrates the HDMI identifier, IIC over AUX translator and the related DDC control registers, which enables the programmable HDMI or DVI output and supports both DDC and AUX signaling on the upstream DisplayPort connector. With step-up regulator integrated, CH7530A supports 5V power supply output for HDMI/DVI configuration.

Structure diagram

Technical Report





Part NumberPackage TypeOperating Temperature RangeMinimum Order Quantity

CH7530A-BF40 QFN, Lead-freeCommercial : 0 to 70°C490/Tray




About Chrontel Overview Chrontel, headquartered in San Jose, California, is a privately-held company with over 130 employees worldwide. Incorporated in 1986, the company develops and markets mixed-signal integrated circuits for the PC, display and consumer mark...


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