36M HD Composite Video Filter Driver




  • 1-HDTV Video Filter Support Composite 1080i/720p

  • Optimized 6th-order Butterworth Video reconstruction filter:

    HD Channel: -3dB ≥ 36MHz

  • Support Multiple Input Biasing:

    * Provide 80-mV Level-Shift when DC-Coupled

    * Transparent Input Clamping when AC-Coupled

    * Support External DC Biasing when AC-Coupled

  • Very Low Quiescent Current: 6 mA(at 3.3V, Typical)

  • 6dB Gain(2V/V), Rail TO Rail Output

  • AC- or DC-Coupled Output Driving Dual Video Loads (75Ω)

  • Wide Power Supply: +3.0V to +5.5V Single Supply

  • Robust ESD Protection:

    * Robust 8kV-HBM and 2kV-CDM ESD Rating

  • Green Product, SOT23-6 Package


  • Video Signal Amplification

  • Set-Top Box Video Driver

  • PVR、DVD Player Video Buffer

  • Video Buffer for Portable or USB-Powered Video Devices

  • HDTV


TPF131 is a specially designed for consumer applications, high-performance, low-cost video reconstruction filter, it combine excellent video performance and low power consumption perfectly. It incorporates one high-definition (HD) filter channels. The filter feature sixth-order Butterworth characteristics that are useful as digital-to-analog converter (DAC) reconstruction filters or as analog-to-digital converter (ADC) anti-aliasing filters. The HD filters can be bypassed to support HDCVI 1080i/720p video.

 As part of the TP131 flexibility, the input can be configured for ac- or dc-coupled inputs. The 84-mV output level shift allows for a full sync dynamic range at the output with 0-V input. The ac-coupled modes include a transparent sync-tip clamp option for composite video (CVBS), Y', and G'B'R' signals. AC- coupled biasing for C'/P'B/P'R channels can easily be achieved by adding an external resistor to VS+. The TP131 rail-to-rail output stage with 6-dB gain allows for both ac and dc line driving. The ability to drive two lines,or 75-Ω loads,allows for maximum flexibility as a video line driver.The 6-mA total quiescent current at 3.3V makes it an excellent choice for power-sensitive video applications.TPF131 is available in SOT23-6 package(TPF131-TR).Its operation temperature range is from -40℃ to +85℃.


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