REFD3680, Implementation of a Direct Drive Video Filter Amplifier Negative Charge Pump and Analog Switch in Audio (Microphone) Input
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- Audio-Video Device
Description
- REFD3680, Reference design for the MAX9503 and MAX9505 DirectDrive video filter amplifiers integrate an analog switch and a negative charge pump that can be used to improve performance for audio (microphone) input applications. These devices operate from a single 2.7V to 3.6V power supply. They can be directly connected to the output of the video DAC and set the black level of video signal to ground at its output