3. AUDIO AMPLIFIER STAGE WITH MP7722
3.1 General Description
The MP7722 is a stereo 20W Class D Audio amplifier, intended for use as low
frequency power amplifier in a wide range of applications in radio and TV sets.
It uses a minimum number of external components to complete a stereo Class D audio
amplifier.
3.2 Features
x 2 x 20W Output at VDD = 24V into a 4 load
x THD+N = 0.06% at 1W, 8
x 93% Efficiency at 20W
x Low Noise (190μV Typical)
x Switching Frequency Up to 1MHz
x 9.5V to 24V Operation from a Single Supply
x Integrated Startup and Shutdown Pop Elimination Circuit
x Thermal and Short Circuit Protection
x Integrated 180m Switches
x Mute/Standby Modes (Sleep)
x Thermally Enhanced 20-Pin TSSOP Package with Exposed Pad
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