This part is a kind of semiconductor called AD1835A.

Function of this product has Codecs.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

2 ADC, 8 DAC, 96 kHz, 24-Bit ⌺-⌬ Codecs AD1835A FEATURES 5 V Stereo Audio System with 3.3 V Tolerant Digital Interface Supports up to 96 kHz Sample Rates 192 kHz Sample Rate Available on 1 DAC Supports 16-/20-/24-Bit Word Lengths Multibit ⌺-⌬ Modulators with Perfect Differential Linearity Restoration for Reduced Idle Tones and Noise Floor Data Directed Scrambling DACsLeast Sensitive to Jitter Differential Output for Optimum Performance ADCs: –95 dB THD + N, 105 dB SNR, and Dynamic Range DACs: –95 dB THD + N, 108 dB SNR, and Dynamic Range On-Chip Volume Controls per Channel with 1024-Step Linear Scale DAC and ADC Software Controllable Clickless Mutes Digital De-emphasis Processing Supports 256 ؋ fS, 512 ؋ fS, and 768 ؋ fS Master Mode Clocks Power-Down Mode Plus Soft Power- [ ... ]

AD1835A PDF Datasheet Download