AD52656-2.5W/CH@5V Power Limited Stereo Filter-less Class-D Audio
Amplifier with Headphone Driver DataSheet

Description
    The AD52656 is a stereo, filter-less class-D audio
amplifier with 2.5W power limit and class-AB
headphone driver. Operating with 5.0V power supply,
it delivers 2.45W/CH power into 4 loudspeaker
within 1% THD+N or 65mW/CH power into 32
headphone within 1% THD+N
    The AD52656 has not only a 64-step DC volume
controller, but also a 2.5W power limiter, which
implement with an automatic gain controller (AGC).
The AD52656 is packaged as SSOP-24(150mil)
is a stereo audio amplifier with high efficiency, which
leads to longer battery life, less heat sink, smaller
board size, lower system cost, and suitable for the
notebook, and portable multimedia devices.

Features
 Supply voltage range: 3.0 V to 5.5 V
 2.5W power limit function
 10mA static operation current
 <1uA shutdown current
 64 step DC volume control from -60dB to +24dB
 Overload and thermal protection
 Loudspeaker Output power @ 1% THD+N
 1.4W/CH into 8 loudspeaker
 2.45W/CH into 4 loudspeaker
 Headphone Output power @ 1% THD+N
 65mW/CH into 32 loudspeaker