Click to expand full text
ICs for Audio Common Use
AN7531SA
Headphone amplifier IC for portable equipment
I Overview AN7531SA is an audio signal processing IC in
which bass boost amplifiers, ALC circuit and beep circuit are built in the headphone amplifiers for use in portable equipment. Its headphone output block is using the center amplifier method which eliminates the need for coupling capacitor so that the circuit is most suitable for rationalization of audio circuit.
7.8±0.3 24 13
1 12
6.1±0.3 8.1±0.3
Unit: mm
(0.5)
0.1±0.1
0.525±0.1 0.15–+00..015 1.2±0.
AN7531SA Datasheet
