Features and Benefits

  • Quad HDMI® 1.4 fast switching receiver
  • HDMI support
    Audio return channel (ARC)
    3D TV support
    Content type bits
    CEC 1.4-compatible
    Extended colorimetry
  • HDMI 225 MHz receiver
    Xpressview fast switching of HDMI ports
    2 ARC interfaces for ARC support
    SPDIF interface for ARC support
    3D video format support, including frame packing 1080p
    24 Hz, 720p 50 Hz, 720p 60 Hz
  • See datasheet for additional features

Product Details

The ADV7844 is a high quality, single-chip, 4:1 multiplexed HDMI receiver and graphics digitizer with an integrated multiformat video decoder.

The ADV7844 incorporates a quad input HDMI-compatible receiver that supports all HDTV formats up to 1080p and display resolutions up to UXGA (1600 × 1200 at 60 Hz).

The ADV7844 incorporates Xpressview fast switching on all input HDMI ports. Using the Analog Devices, Inc., hardware-based HDCP engine that minimizes software overhead, Xpressview technology allows fast switching between any HDMI input ports in less than 1 second.

The ADV7844 supports all mandatory HDMI 3D TV formats in addition to all HDTV formats up to 1080p 36-bit Deep Color.

The ADV7844 also integrates an HDMI CEC controller that supports the capability discovery and control (CDC) feature.

The ADV7844 offers a flexible audio output port for the audio data decoded from the HDMI stream. HDMI audio formats, including super audio CD (SACD) via DSD and HBR are supported. The ADV7844 also features the audio return channel (ARC) feature. ARC simplifies cabling by combining upstream audio capability in a conventional HDMI cable.

Each HDMI port has dedicated 5 V detect and hot plug assert pins. The HDMI receiver also includes an integrated equalizer that ensures robust operation of the interface with cable lengths up to 30 meters. The HDMI receiver has advanced audio functionality, such as a mute controller, that prevents audible extraneous noise in the audio output.

The multiformat 3D comb filter decoder supports the conversion of PAL, NTSC, and SECAM standards in the form of a composite or an S-Video input signal into a digital ITU-R BT.656 format. SCART and overlay functionality are enabled by the ability of the ADV7844 to process CVBS and standard definition RGB signals simultaneously.

The ADV7844 contains one main component processor (CP), which processes YPbPr and RGB component formats, including RGB graphics. The CP also processes the video signals from the HDMI receiver. The ADV7844 can operate in quad HDMI and analog input mode, thus allowing for fast switching between the ADCs and HDMI.

The ADV7844 supports the decoding of a component RGB/ YPbPr video signal into a digital YCbCr or RGB pixel output stream. The support for component video includes 525i, 625i, 525p, 625p, 720p, 1080i, 1080p, and 1250i standards, as well as many other SMPTE and HD standards.

The ADV7844 supports graphics digitization. The ADV7844 is capable of digitizing RGB graphics signals from VGA to UXGA rates and converting them into a digital RGB or YCbCr pixel output stream. Internal EDID is available for one graphic port.

Fabricated in an advanced CMOS process, the ADV7844 is provided in a 19 mm × 19 mm, 425-ball, CSP BGA, surface-mount, RoHS-compliant package, and is specified over the 0°C to 70°C temperature range.


  • Advanced TVs
    LCD TVs (HDTV ready)
    LCD/DLP® rear projection HDTVs
    LCoS HDTVs
  • AVR video receivers
  • HDTV STBs with PVR
  • Projectors

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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