This part is a kind of semiconductor called PT2313H.

Function of this product has 4-Channel Audio Processor.

Manufacturers : Princeton Technology

Image and pinout :

Some of the text within the PDF file :

Tel:886-2-66296288 Fax:886-2-29174598 URL: http://www.princeton.com.tw 4-Channel Audio Processor PT2313H DESCRIPTION PT2313H is a four-channel digital control audio processor utilizing CMOS technology. Volume, Bass, Balance, Front/Rear Fader Processor, Selectable Input Gain are incorporated into a single chip having the highest performance and reliability with the least external components. All functions are programmable using the I2C Bus. PT2313H is housed in 28-pin SOP package. The 28-pin version provides additional Two Band Tone Control and Loudness Function and is pin-to-pin compatible with TDA7313. Pin assignments and application circuits are optimized for easy PCB layout and cost saving advantages. FEATURES • CMOS technology • Least external components • Treble and bass con [ ... ]

PT2313H PDF Datasheet Download