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AD8192:  2:1 HDMI/DVI Switch with Equalization and DDC/CEC Buffers

Product Details


The AD8192 is a complete HDMI™/DVI link switch featuring equalized TMDS inputs and pre-emphasized TMDS outputs ideal for systems with long cable runs. The TMDS outputs can be set to a high impedance state to reduce the power dissipation and/or allow the construction of larger arrays using the wire-OR technique. The AD8192 includes bidirectional buffering for the DDC bus and CEC line, with integrated pull-up resistors for the CEC line. The AD8192 is available in a space-saving, 56-lead LFCSP surface-mount, lead-free plastic package specified to operate over the −40°C to +85°C temperature range.

Product Highlights

  1. Fully HDMI 1.3a transmit and receive compliant.
  2. Supports data rates up to 2.25 Gbps, enabling greater than 1080p HDMI formats with deep color (12-bit) and UXGA (1600 × 1200) DVI resolutions.
  3. Input cable equalizer enables use of long cables; more than 20 m (24 AWG) at data rates up to 2.25 Gbps.
  4. Auxiliary switch isolates and buffers the DDC bus and the CEC line, improving total system capacitance limit.
  5. Hot plug detect (HPD) signal is pulsed low on link switch.
  6. Manually or automatically switched input terminations.

Applications

  • Front panel buffer for advanced television (HDTV) sets
  • Standalone HDMI switcher
  • Multiple input displays
  • Projectors
  • A/V receivers
  • Set-top boxes
  • Data Sheet, Rev. 0, 5/08

    FEATURES and BENEFITS

    • 2 inputs, 1 output HDMI/DVI links
    • HDMI 1.3 receive & transmit compliant
    • Four TMDS channels per link:
      Supports 250 Mbps - 2.25 Gbps data rates and beyond
      Supports 25 MHz - 225 MHz pixel clocks and beyond
      Fully buffered unidirectional inputs/outputs
      Globally-switchable 50 Ω on-chip terminations
    • Equalized inputs and pre-emphasized outputs
      Fully flexible input/output mapping
      Input terminations disabled for unselected inputs
    • Three auxiliary channels per link:
      Buffered and switched DDC bus (SDA and SCL)
      DDC bus logic level translation (3.3 V, 5 V)
      Buffered CEC bus with integrated pull-up resistors (27 kΩ)
      Hot plug detect pulse low on channel switch
    • Input/output capacitance isolation
    • Output disable feature:
      Reduced power dissipation
      Output termination removal on TMDS channels
    • Single-supply operation (3.3 V)
    • Standards compatible: DVI, HDMI 1.3, HDCP, CEC
    • Serial (I2C slave) control interface
    • 56-pin 8 mm × 8 mm LFCSP Pb-free package

    Functional Block Diagram for AD8192

    AdvantivAdditional product choices for Advanced TV applications are available on the Advantiv® site.


    Documentation

    Title Content Type File Type
    AD8192: 2:1 HDMI/DVI Switch with Equalization and DDC/CEC Buffers Data Sheet (Rev 0, 05/2008) (pdf, 969 kB) Data Sheets PDF
    Analysis of Common Failures of HDMI CT
    By Brett Li and Lie Dou, ATV Product Line, Analog Devices
    (Digital TV DesignLine, 4/2/2008)
    Technical Articles HTML
    ADI: Analog Essential To HDTV Experience
    (Electronic Design, 10/1/2007)
    Product Reviews HTML
    Analog Devices in Advanced TV Overview HTML
    RAQs index Rarely Asked Questions HTML
    Glossary of EE Terms Glossary HTML

    Evaluation Kits & Symbols & Footprints

    Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

    Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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    Price, packaging, availability

    Price Table Help

    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.

    AD8192 Evaluation Board
    Model Description Price RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    AD8192-EVALZ Status: Production Evaluation Board - Yes - Contact ADI

    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.

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