AD52655-2.5W/CH Stereo Filter-less Class-D Audio Amplifier with Power Limit Function DataSheet 

Features
􀁺 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

Applications
􀁺 Monitor audio
􀁺 Portable multimedia devices
􀁺 Mobile phone

Description
    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.