This part is a kind of semiconductor called TDA1387T.

Function of this product has Stereo Continuous Calibration DAC CC-DAC.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

INTEGRATED CIRCUITS DATA SHEET TDA1387T Stereo Continuous Calibration DAC (CC-DAC) Preliminary specification Supersedes data of September 1994 File under Integrated Circuits, IC01 1995 Dec 11 Philips Semiconductors Preliminary specification Stereo Continuous Calibration DAC (CC-DAC) FEATURES • Low power consumption • Low total harmonic distortion • Wide dynamic range (16-bit resolution) • Continuous Calibration (CC) concept • Single 3 to 5.5 V supply rail • Output and bias current are proportional to the supply voltage • Fast settling time enables 2, 4 and 8 times oversampling (serial input) or double-speed operation at 4 times oversampling • Internal bias current ensures maximum dynamic range • Wide operating temperature range (−40 to + 85 °C) • I2S-bus input [ ... ]

TDA1387T PDF Datasheet Download