This part is a kind of semiconductor called AD71028.

Function of this product has Dual Digital BTSC Encoder.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

Dual Digital BTSC Encoder with Integrated DAC AD71028 FEATURES 2 complete independent BTSC encoders Pilot tone generator Includes subcarrier modulation Typical 23 dB to 27 dB separation, 16 dB minimum Signal bandwidth of 14 kHz Phat-StereoTM algorithm for stereo image enhancement Dialog enhancement function for playing wide dynamic range video sources over built-in TV speakers Includes L-R dual-band compressor SPI® port for control of modes and effects Differential output for optimum performance DAC performance: 92 dB dynamic range, –92 dB THD+N Output level control for setting aural carrier deviation Flexible serial data port with right-justified, left-justified, I2S compatible, and DSP serial port modes 48-lead LQFP plastic package PRODUCT OVERVIEW The AD71028 du [ ... ]

AD71028 PDF Datasheet Download