ADA4411-3

www.DataSheet4U.com Integrated Triple Video Filter and Buffer with Selectable Cutoff Frequencies and Multiplexed Inputs for RGB, HD/SD ADA4411-3 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 30.5 MHz for HD Low quiescent power Only 265 mW for 3 channels on 5 V supply Disable feature cuts supply current to 15 μA 2:1 mux on all inputs Variable gain: ×2 or ×4 DC output offset adjust: ±0.5 V, input referred 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: 24-lead QSOP Y1/G1 IN Y2/G2 IN 36MHz, 18MHz, 9MHz FUNCTIONAL BLOCK DIAGRAM ×2 ×4 Y/G OUT Pb1/B1 IN Pb2/B2 IN 36MHz, 18MHz, 9MHz ×2 ×4 Pb/B OUT Pr1/R1 IN Pr2/R2 IN 36MHz, 18MHz, 9MHz ×2 ×4 Pr/R OUT INPUT SELECT DC OFFSET LEVEL1 LEVEL2 CUTOFF SELECT GAIN SELECT DISABLE 2 05527-001 ADA4411-3 Figure 1. APPLICATIONS Set-top boxes Personal video recorders DVD players and recorders HDTVs Projectors GENERAL DESCRIPTION The ADA4411-3 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...