AD52655-2.5W/CH Stereo Filter-less Class-D Audio Amplifier with Power Limit Function DataSheet
Supply voltage range: 3.0 V to 5.0 V
2.5W power limit function
10mA static operation current
<1uA shutdown current
64-step DC volume control from mute to +24dB
Overload and thermal protection
Loudspeaker output power @ 1% THD+N
1.4W/CH into 8Ω loudspeaker
2.45W/CH into 4Ω loudspeaker
Portable multimedia devices
The AD52655 is a stereo, filter-less class-D audio amplifier with 2.5W power limit. Operating with 5.0V loudspeaker driver supply, it can deliver 2.45W/CH output power into 4Ω loudspeaker within 1% THD+N.
The AD52655 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 AD52655 is packaged as SSOP-24L(150mil) is a stereo audio amplifier with high efficiency, which leads to longer battery life, less heat sink requirement, smaller board size and lower system cost, and suitable for the notebook computer, and portable multimedia devices.