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 provides integrated video reconstruction filters (6 MHz cutoff, +6 dB gain) and stereo audio amplifiers (+6 dB gain) in a single 24‑pin TSSOP package. It operates from a single +5 V video supply and a +9 V to +12 V audio supply, delivering 2.6 V RMS audio output and driving 75 Ω video loads.
The datasheet includes absolute maximum ratings, detailed electrical characteristics, pin descriptions, layout recommendations, and package information, along with typical operating curves and performance graphs for both video and audio sections.
| Video Supply Voltage Range (VVID) | 4.75 V – 5.25 V |
|---|---|
| Audio Supply Voltage Range (AUDV) | 8.5 V – 12.6 V |
| Video Output Load | 150 Ω to GVID |
| Audio Output RMS Level | 2.6 V RMS into 10 kΩ load |
| Operating Temperature Range | 0 °C – +70 °C |
| Package | 24‑pin TSSOP |
The device is offered in a 24‑pin TSSOP package.
It delivers a typical audio output of 2.6 V RMS into a 10 kΩ load.