|
General Description The MAX7469/MAX7470 triple-channel, anti-aliasing filters and buffers are ideal for high-definition (HD) and standard-definition (SD) television (TV) applications. Compatible with 1080i, 720p, 480p, and 480i scanning system standards and computer format signals, the MAX7469/MAX7470 support component video (Y Pb Pr, GsBR, and RGBHV), as well as composite (CVBS) and S-video (Y/C). The MAX7469/MAX7470 limit the input bandwidth for anti-aliasing and out-of-band noise reduction prior to digital conversion by an ADC or video decoder. The MAX7469/MAX7470 frequency response can be continuously varied in 256 linear steps through an I2C interface from below SD resolution to beyond HD resolution. Features ♦ Continuously Variable Anti-Aliasing Filter 5MHz to 34MHz in 256 Steps ♦ Supports All Standard Video and Computer Input Formats 480i, 480p, 720p, 1080i QVGA, VGA, SVGA, XGA, SXGA, UXGA Y Pb Pr, GsBR, RGBHV, Y/C, CVBS ♦ Accepts Any Input Sync Format Sync on Y, Sync on G, External Sync (Positive or Negative) Sync on All Channels ♦ Buffered Outputs Drive Standard 150Ω Video Load 0dB (MAX7469) +6dB (MAX7470) ♦ DC- or AC-Coupled Outputs ♦ Single +5V Analog and +3.3V Digital Supplies ♦ 5mW Power-Down Mode ♦ 20-Pin TQFN Lead-Free Package Applications HDTV (LCD, PDP, DLP, CRT) Set-Top Boxes Personal Video Recorders Home Theaters
|