CH7107B

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Features


  • HDMI Receiver compliant with HDMI 1.4 specification

  • Support CVBS output in format of NTSC or PAL

  • On-chip Audio encoder which support 2 channel IIS/S/PDIF audio output

  • MCU embedded to handle the control logic

  • Support device boot up by automatically loading firmware from on-chip flash

  • Integrated EDID Buffer

  • TV connection detection supported

  • HDMI input detection supported

  • Scaler engine integrated for 640x480 safe mode input supported

  • Support Auto Power Saving mode and low stand-by current

  • Support RGB to YCC conversion in ITU-R BT.601 and 709 color space

  • IIC slave interface and HDMI DDC interface are available for debug and firmware update.

  • Low power architecture

  • RoHS compliant and Halogen free package

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

Describe

Chrontel’s CH7107B is a low-cost, low-power semiconductor device that consists of HDMI receiver, three separate 9-bit video Digital-to-Analog Converters (DACs), SDTV encoder and audio encoder, which can convert HDMI signals into SDTV outputs with IIS or SPDIF audio output.

The HDMI Receiver integrated is compliant with HDMI 1.4b. With sophisticated MCU and the on-chip flash, CH7107B supports auto-boot and EDID buffer. Leveraging the firmware auto loaded from the embedded flash, CH7107B can support HDMI input detection, DAC connection detection and determine to enter into Power saving mode automatically.

Structure diagram

Application Desc

PCB Layout and Design Guide for CH7107B HDMI To SDTV Converter, AN-B032 (Rev0.2)

  Refer to the AN-B037 for industrial products in detail

Technical Report

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Specifications

Input Interface  HDMI, DVI

Output Interface  CVBS  Audio Interface IIS, SPDIF Output

Other features  No 

Package Type  QFN40

OrderInfo

Part Number Package Type Operating Temperature RangeMinimum Order Quantity

CH7107B-BF  40 QFN, Lead-freeCommercial : 0 to 70°C490/Tray

CH7107B-BFI 40 QFN, Lead-freeIndustrial : -40 to 85°C490/Tray

Video

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