1. Products
  2. Video Products
  3. Video Amplifiers and Analog Video Functions
  4. Video Operational Amplifiers (Op Amps)
  5. ADA4420-6


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

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.

  • Set-top boxes
  • DVD players and recorders
  • HDTVs
  • Projectors
  • Personal video recorders
  • Product Lifecycle icon-recommended Production

    At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

    Design Resources

    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.View our quality and reliability program and certifications for more information.

    Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    ADA4420-6ARQZ Material Declaration Reliability Data 16-Lead QSOP
    ADA4420-6ARQZ-R7 Material Declaration Reliability Data 16-Lead QSOP
    ADA4420-6ARQZ-RL Material Declaration Reliability Data 16-Lead QSOP
    ADA4420-6ARUZ Material Declaration Reliability Data 20-Lead TSSOP
    ADA4420-6ARUZ-R7 Material Declaration Reliability Data 20-Lead TSSOP
    Wafer Fabrication Data

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