AN5270 - Power Amplifier
Pin No.
1 2 3 4 5 6 7 8 9 VCC1 Sound input Low frequency input Volume control Tone control Ripple filter Ground Sound output VCC2 Pin Name Note) Pins 2 and 4 are weaker in protection against positive surge than the other pins.
It is necessary to pay attention during application use.
GND VCC2 In