AA4006 pdf datasheet

The AA4006 is a Class AB stereo audio power ampli-
fier with headphone driver, which can deliver 2.7W
into 3Ω speakers with 5.0V power supply and THD+N
less than 10%. It is designed specially for notebook PC
and portable media player applications.
The AA4006 features stereo full differential input or 2
sets of stereo single-ended audio input. There are 4 dif-
ferent gain settings at BTL mode -6dB, 10dB, 15.6dB
and 21.6dB, changed by setting GAIN0, GAIN1 pins.
At SE mode, the gain is fixed 4.1dB.
The AA4006 can amplify square waveform beep input
signal from BEEP_IN pin and its' output can always
reach BTL terminal, masking all other audio inputs
regardless of whether the chip is in shutdown, SE or
BTL mode.
The AA4006 is available in TSSOP-24 (EDP) package
.