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ADA4412-3

Analog Devices
Part Number ADA4412-3
Manufacturer Analog Devices
Description Integrated Triple Video Filter
Published Jan 3, 2007
Detailed Description www.DataSheet4U.com Integrated Triple Video Filter with Selectable Cutoff Frequencies for RGB, HD/SD ADA4412-3 FEATURE...
Datasheet PDF File ADA4412-3 PDF File

ADA4412-3
ADA4412-3

Overview
www.
DataSheet4U.
com Integrated Triple Video Filter with Selectable Cutoff Frequencies for RGB, HD/SD ADA4412-3 FEATURES Sixth-order adjustable video filters 36 MHz, 18 MHz, and 9 MHz Many video standards supported: RGB, YPbPr, YUV, SD, Y/C Ideal for 720p and 1080i resolutions −1 dB bandwidth of 31.
5 MHz for HD Low quiescent power Only 265 mW for 3 channels on 5 V supply Disable feature cuts supply current to 10 μA DC output offset adjust: ±0.
5 V, input referred Fixed throughput gain of ×2 Excellent video specifications Wide supply range: +4.
5 V to ±5 V Rail-to-rail output Output can swing 4.
5 V p-p on single 5 V supply Small packaging: 20-lead QSOP FUNCTIONAL BLOCK DIAGRAM Y/G IN ×1 36MHz, 18MHz, 9MHz ×2 Y/G OUT Pb/B IN ×1 36MHz, 18MHz, 9MHz ×2 Pb/B OUT Pr/R IN ×1 36MHz, 18MHz, 9MHz DC OFFSET ×2 Pr/R OUT LEVEL1 LEVEL2 CUTOFF SELECT DISABLE 2 05528-001 ADA4412-3 Figure 1.
APPLICATIONS Set-top boxes DVD players and recorders Personal video recorders HDTVs Projectors GENERAL DESCRIPTION The ADA4412-3 is a comprehensive filtering solution designed to give designers the flexibility to easily filter and drive various video signals, including high definition video.
Cutoff frequencies of the sixth-order video filters range from 9 MHz to 36 MHz and can be selected by two logic pins to obtain four filter combinations that are tuned for RGB, high definition, and standard definition video signals.
The ADA4412-3 has a rail-torail output that can swing 4.
5 V p-p on a single 5 V supply.
The ADA4412-3 includes an output offset voltage adjustment feature.
Output voltage offset is continuously adjustable over an input-referred range of ±500 mV by applying a differential voltage to an independent offset control input.
The ADA4412-3 can operate on a single +5 V supply as well as on ±5 V supplies.
Single-supply operation is ideal in applications where power consumption is critical.
The disable feature allows for further power conservation by reducing the supply curre...


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