This part is a kind of semiconductor called TC2000.
Function of this product has STEREO CLASS-T AUDIO CONTROLLER USING DIGITAL POWER PROCESSING (DPP) TECHNOLOGY.
Manufacturers : TRIPATH
Image and pinout :

Some of the text within the PDF file :
Tripath Technology, Inc. - Technical Information TC2000 STEREO CLASS-T™ AUDIO CONTROLLER USING DIGITAL POWER PROCESSING (DPP™) TECHNOLOGY Technical Information Revision 1.1 – December 2003 GENERAL DESCRIPTION The TC2000 is a two channel audio controller that uses Tripath’s proprietary Digital Power Processing (DPPTM) technology. When combined with switching power output stages, the TC2000 allows the implementation of a complete Class-T audio amplifier. Class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of Class-D amplifiers. APPLICATIONS 5.1-Channel DVD Mini/Micro Component Systems Home Theater Stereo applications BENEFITS High fidelity, high efficiency Class-T Analog inputs FEATURES Class-T Architecture Audiophile Quality Sound 0.007% THD+N [ ... ]
TC2000 PDF Datasheet Download
