AD62555-Class-D Audio Power Amplifier with USB InterfaceDataSheet  

Features
􀁺 True plug-and-play application, no driver is
required for basic USB speaker application
􀁺 Supports Windows Me/2000/XP/Vista/7 and Mac
OS
􀁺 Integration circuit quality meet Windows 7 and
Vista Hardware Logo requirement
􀁺 Compliant with USB Specification v1.1, and USB
2.0 full speed
􀁺 Can work directly with a USB3.0 port
􀁺 Embedded high efficiency, high performance
Class-D stereo amplifier
􀁺 Support both bus-powered and self-powered
operation
􀁺 +6dB Gain enhancement (Theater function)
􀁺 Support volume/mute control with external button
􀁺 LED indicator function
􀁺 Built-in 5V to 3.3V regulator for internal device
operation
􀁺 Loudspeaker PSNR & DR (A-weighting)
91dB (PSNR), 92dB (DR) with Bead filter
􀁺 Anti-pop design
􀁺 Over-temperature protection
􀁺 Under-voltage shutdown
􀁺 Short-circuit detection
􀁺 Embedded Power-On-Reset circuit
􀁺 12 MHz crystal input
􀁺 3.3V operation with 5V tolerate I/O
􀁺 24-pin E-TSSOP Pb-free package

Description
    AD62555 is a monolithic Class-D audio amplifier with USB interface. When powered by the USB port, AD62555 can drive a pair of up to 1W speakers due to the built-in, high efficiency and high performance Class-D amplifiers.