Alternative Parts

  • ADV7842

    Dual HDMI 1.4 Fast Switching Receiver with 12-Bit, 170 MHz Video and Graphics Digitizer and 3D Comb Filter Decoder


Features and Benefits

  • 95 MSPS maximum conversion rate
  • 9% or less p-p PLL clock jitter at 95 MSPS
  • Automated offset adjustment
  • 2:1 input mux
  • Power-down via dedicated pin or serial register
  • 4:4:4, 4:2:2, and DDR output format modes
  • Variable output drive strength
  • Odd/even vield detection
  • External clock input
  • Regenerated Hsync output
  • Programmable output high impedance control
  • Hsyncs per Vsyncs counter

Product Details

The AD9980 is a complete, 8-bit, 95 MSPS, monolithic analog interface optimized for capturing YPbPr video and RGB graphics signals. Its 95 MSPS encode rate capability and fullpower analog bandwidth of 200 MHz supports all HDTV video modes and graphics resolutions up to XGA (1024 × 768 at 85 Hz).

The AD9980 includes a 95 MHz triple ADC with an internal reference, a PLL, programmable gain, offset, and clamp controls. The user provides only 3.3 V and 1.8 V power supplies and an analog input. Three-state CMOS outputs may be powered from 1.8 V to 3.3 V.

The AD9980’s on-chip PLL generates a sample clock from the tri-level sync (for YPbPr video) or the horizontal sync (for RGB graphics). Sample clock output frequencies range from 10 MHz to 95 MHz. PLL clock jitter is 9% or less p-p typical at 95 MSPS.

With internal Coast generation, the PLL maintains its output frequency in the absence of sync input. A 32-step sampling clock phase adjustment is provided. Output data, sync, and clock phase relationships are maintained.

The auto-offset feature can be enabled to automatically restore the signal reference levels and to automatically calibrate out any offset differences between the three channels. The AD9980 also offers full sync processing for composite sync and sync-ongreen applications. A clamp signal is generated internally or may be provided by the user through the CLAMP input pin.

Fabricated in an advanced CMOS process, the AD9980 is provided in a space-saving, 80-pin, Pb-free, LQFP surface mount plastic package. It is specified over the 0°C to +70°C temperature range.

  • Advanced TVs
  • Plasma display panels
  • LCD TV
  • HDTV
  • RGB graphics processing
  • LCD monitors and projectors
  • Scan converters

Product Lifecycle icon-not-recommended Not Recommended for New Designs

This designates products ADI does not recommend broadly for new designs.

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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