Features and Benefits

  • Pin-to-pin compatible with the AD8197A
  • Supports 250 Mbps to 2.25 Gbps data rates
  • Supports 25 MHz to 225 MHz pixel clocks
  • Equalized inputs allow use of long HDMI cables (20 meters at 2.25 Gbps)
  • Fully buffered unidirectional inputs/outputs
  • Per input switchable, 50 Ω on-chip terminations
  • Switchable output 50 Ω on-chip terminations
  • Pre-emphasized outputs
  • Low added jitter
  • Single-supply operation (3.3 V)
  • Bidirectional unbuffered inputs/outputs
  • Flexible supply operation (3.3 V to 5 V)
  • HDCP standard compatible
  • Allows switching of DDC bus and 2 additional signals
  • 4 inputs, 1 output HDMI/DVI links
  • Enables HDMI 1.3-compliant receiver
  • Output disable feature
    Reduced power dissipation
    Removable output termination
    Allows building of larger arrays
  • Two AD8197Bs support HDMI/DVI dual link
  • Standards compatible: HDMI receiver, HDCP, DVI
  • Serial (I2C slave) and parallel control interface
  • 100-lead, 14 mm × 14 mm LQFP, Pb-free package

Product Details

The AD8197B is an HDMI™/DVI switch featuring equalized TMDS® inputs and pre-emphasized TMDS outputs, ideal for systems with long cable runs. The AD8197B offers individual control of the on/off state of the TMDS input termination resistors via I2C control. Outputs can be set to a high impedance state to reduce the power dissipation and/or to allow the construction of larger arrays using the wire-OR technique.

The AD8197B is provided in a 100-lead LQFP, Pb-free, surface-mount package, specified to operate over the −40°C to +85°C temperature range.

Product Highlights

  1. Supports data rates up to 2.25 Gbps, enabling 1080p deep color (12-bit color) HDMI formats, and greater than UXGA (1600 × 1200) DVI resolutions.
  2. Input cable equalizer enables use of long cables at the input (more than 20 meters of 24 AWG cable at 2.25 Gbps).
  3. Auxiliary switch routes a DDC bus and two additional signals for a single-chip, HDMI 1.3 receive-compliant solution.


  • Multiple input displays
  • Projectors
  • A/V receivers
  • Set-top boxes
  • Advanced television (HDTV) sets

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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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.