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General Description

The MAX7462/MAX7463 single-channel, standard-definition, integrated video reconstruction filters and buffers are ideal for anti-aliasing and digital-to-analog smoothing video applications or wherever analog video is reconstructed from digital data (such as cable/satellite/terrestrial set-top boxes and DVRs).

The MAX7462 includes a disable function, which places the output in a high-impedance state allowing multiplexing of multiple output signals. It also has an external gain control that sets the output buffer gain to either +6dB or +9.5dB. The higher gain setting allows a lower DAC output signal than the standard 1VP-P signal. The MAX7463 output buffer has a fixed gain of +6dB.

The MAX7462/MAX7463 operate from a single +5V supply and have a flat passband out to 5MHz with a stopband attenuation of -43dB (typ) at 27MHz.

These devices can drive two standard 150? AC-coupled or DC-coupled video loads. The output black level of the MAX7462/MAX7463 is less than 1V for DC-coupled outputs.

The MAX7462 is available in an 8-pin μMAX? package and an 8-pin SO package. The MAX7463 is available in an 8-pin SO package. All devices are specified over the 0°C to +85°C temperature range.

Features

? Standard-Definition CVBS Video Reconstruction Filters and Buffers

? Passband: -0.05dB at 5MHz

? Stopband: -43dB at 27MHz

? Selectable Gain: +6dB and +9.5dB (MAX7462)

? Output Disable (MAX7462)

? Drives 2VP-P into Two 150? Video Loads

? Output Black Level < 1V for DC-Coupled Output

? Very Small μMAX and SO Packages

Applications

?? Cable/Satellite/Terrestrial Set-Top Boxes

?? DVRs

?? Hard-Disk Recorders