AD62550

ESMT/EMP Features z True plug-and-play application, no driver is required for basic USB speaker application z Supports Windows Me/2000/XP/Vista/7 and Mac OS z Integration circuit quality meet Windows 7 and Vista Hardware Logo requirement z Compliant with USB Specification v1.1, and USB 2.0 full speed z Can work directly with a USB3.0 port z Embedded high efficiency, high performance Class-D stereo amplifier z Support both bus-powered and self-powered operation z Support I2S input and I2S output interface of master mode z +6dB Gain enhancement (Theater function) z Sampling frequency 44.1/48KHz z Support volume/mute control with external button z LED indicator function z Support 3D surround sound z Built-in 5V to 3.3V regulator for internal device operation z Loudspeaker PSNR & DR (A-weighting) 91dB (PSNR), 92dB (DR) with Bead filter Preliminary AD62550 Class-D Audio Power Amplifier with USB/I2S Interface z Anti-pop design z Over-temperature protection z Under-voltage shutdown z Short-circuit detection z External EEPROM interface for vendor specific and hardware configuration z Embedded Power-On-Reset circuit z The I2S output port allows other high performance audio device (i.e. AD8356/AD82581B) z 12 MHz crystal input z 3.3V operation with 5V tolerate I/O z 32-pin LQFP Pb-free package Description AD62550 is a single chip of Class-D audio amplifier with USB/I2S interface. When using the power supplied from the USB port, AD62550 can drive a pair of up to 1W speakers due to th...