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A class-D (amplifier) refers to an electronic amplifier that operates the output devices (usually MOSFETs) as binary switches (either ON or OFF).
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Circuit to put digital amplifier into standby when no audio is at inputs?
I am putting together a battery powered audio amplifier using the PAM8403 class D chip.
http://www.diodes.com/datasheets/PAM8403.pdf
It has an active low STANDBY pin which turns off the circuits bi …