MAX7449
3-Channel Video Reconstruction Filter for RGB Component Video
Part Details
- 3-Channel Filter and Buffer for RGB Video Signals
- External Sync Signal Input
- Filter Response Ideal for NTSC, PAL, and Interlaced SDTV Video Signals
- 43dB (typ) Stopband Attenuation at 27MHz
- ±0.75dB (max) Passband Ripple at 5MHz
- Blanking Level Voltage on Output <1V
- Each Channel Drives Two 150Ω Video Loads
- +5V Single-Supply Voltage
- Small 14-Pin TSSOP Package
The MAX7449, 3-channel, buffered video reconstruction filter is ideal for anti-aliasing and digital-to-analog converter (DAC)-smoothing video applications or wherever analog video is reconstructed from a digital data stream (such as cable/satellite/terrestrial set-top boxes, DVD players, hard-disk recorders (HDRs), and personal video recorders (PVRs)). This device operates from a single +5V supply and has a flat passband out to 5MHz with a stopband attenuation of 43dB at 27MHz. This makes it ideal for use with NTSC, PAL, and standard-definition digital TV (SDTV) video systems. Each output is capable of driving two standard 150Ω video loads.
The MAX7449 processes component RGB video signals. The output video buffers have a fixed gain of +6dB. The output video drivers can be disabled with an external pin.
The MAX7449 is available in a 14-pin TSSOP package with an exposed pad, and is specified over the -40°C to +85°C extended temperature range.
Applications
- Desktop Video Editors
- Digital VCRs
- DVD Players
- Game Consoles
- Set-Top Boxes/HDRs
Documentation
This is the most up-to-date revision of the Data Sheet.
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