19-0509; Rev 0; 4/06
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Stereo 3W Audio Power Amplifiers with Headphone Drive and Input Mux
General Description
The MAX9777/MAX9778 combine a stereo 3W bridgetied load (BTL) audio power amplifier, stereo singleended (SE) headphone amplifier, headphone sensing, and a 2:1 input multiplexer all in a tiny 28-pin thin QFN package.
These devices operate from a single 4.
5V to 5.
5V supply and feature an industry-leading 100dB PSRR, allowing these devices to operate from noisy supplies without the addition of a linear
regulator.
An ultra-low 0.
002% THD+N ensures clean, low-distortion amplification of the audio signal.
Patented click-andpop suppression minimizes audible transients o...