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Partname: | MAX4079CWG+T |
Description: | Complete Audio/Video Backend Solution. Lead-free |
Manufacturer: | Maxim Integrated Products |
Datasheet: | PDF (694K). Click here to download *) |
The MAX4079 filters and buffers video (NTSC/PAL/DVB) and stereo audio signals from the MPEG decoder of a cable/satellite receiver, VCR/DVD player, or a TV to an external load. The MAX4079 has luma-chroma (Y-C) and composite (CVBS) video inputs with one Y-C and two CVBS outputs. All video inputs are AC-coupled with internal DC biasing on the chroma input and active clamps for the luma and composite. The MAX4079 video reconstruction filters have a 6MHz cutoff frequency and 50dB attenuation at 27MHz. The filters are matched with flat group delay for standarddefinition video. The video gain is fixed at +6dB to drive a 75 back-terminated load (150) to unity gain. The video outputs can be either DC- or AC-coupled and are powered by a single +5V supply. The MAX4079 audio amplifiers have differential inputs for optimum performance, but can be used with singleended sources with external biasing. The audio channels have a fixed gain of +6dB and deliver 2.6V RMS output with a differential input of 1.85V. The audio amplifiers operate from a +9V to +12V single supply and feature an internal bias generator. An on-chip mixer also provides a mono output, with +3dB gain, derived from the left and right audio channels. |
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Click here to download MAX4079CWG+T Datasheet*) |
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