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ADA4420-6:  Low Cost 6-Channel HD/SD Video Filter

Product Details


The ADA4420-6 is a low cost video reconstruction filter specifically designed for consumer applications. It consists of six independent sixth-order Butterworth filters/buffers, three for standard definition (Y/C or CVBS) and three for high definition component signals (YPbPr or RGB).

The ADA4420-6 operates from a single 5 V supply and has a low quiescent current of 32 mA, making it ideal for applications where power consumption is critical. A disable feature allows for further power conservation by reducing the supply current to less than 8 μA typical when the device is not in use.

Each channel features a transparent sync tip clamp, allowing ac coupling of the inputs without requiring dc restoration.

The output drivers on the ADA4420-6 have rail-to-rail output capabilities with 6 dB gain. A built-in offset of 250 mV allows the outputs to be dc-coupled, eliminating the need for large coupling capacitors. Each output is capable of driving two 75 Ω doubly terminated cables.

The ADA4420-6 is available in a 16-lead QSOP and operates in the extended industrial temperature range of −40°C to +85°C.

Applications
  • Set-top boxes
  • DVD players and recorders
  • HDTVs
  • Projectors
  • Personal video recorders
  • FEATURES and BENEFITS

    • Sixth-order filters
    • Transparent input sync tip clamp
    • −1 dB bandwidth of 26 MHz typical for HD
    • HD rejection @ 75 MHz: 48 dB typical
    • NTSC differential gain: 0.19%
    • NTSC differential phase: 0.76°
    • Rail-to-rail outputs
    • Low quiescent current: 32 mA typical
    • Disable feature
    • Output dc offset

    ADA4420-6 Functional Block Diagram

    Documentation

    Title Content Type File Type
    ADA4420-6: Low Cost 6-Channel HD/SD Video Filter Data Sheet (Rev A, 05/2011) (pdf, 274 kB) Data Sheets PDF
    RAQs index Rarely Asked Questions HTML
    Glossary of EE Terms Glossary HTML

    Evaluation Kits & Symbols & Footprints

    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

    ADA4420-6 Model Options
    Model Package Pins Temp.
    Range
    Packing,
    Qty
    Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    ADA4420-6ARQZ Status: Production 16 ld QSOP 16 Ind Tube, 98 $0.76 $0.69 Y  Material Info PCN Purchase Sample
    ADA4420-6ARQZ-R7 Status: Production 16 ld QSOP 16 Ind Reel, 1000 - $0.69 Y  Material Info PCN Purchase Sample
    ADA4420-6ARQZ-RL Status: Production 16 ld QSOP 16 Ind Reel, 2500 - $0.69 Y  Material Info PCN Purchase
    ADA4420-6ARUZ Status: Production 20 ld TSSOP 20 Ind Tube, 75 - - Y  Material Info PCN Purchase Sample
    ADA4420-6ARUZ-R7 Status: Production 20 ld TSSOP 20 Ind Reel, 1000 - - Y  Material Info PCN Purchase
    ADA4420-6ARUZ-RL Status: Production 20 ld TSSOP 20 Ind Reel, 2500 - - Y  Material Info PCN Purchase
    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.


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