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Description as follow:

The ALC888 is a high-performance 7.1+2 Channel and High Definition Audio Codec providing ten DAC channels that simultaneously support 7.1 sound playback, plus 2 channels of independent stereo sound output (multiple streaming) through the front panel stereo outputs. The ALC888 integrates two stereo ADCs that can support a stereo microphone, and feature Acoustic Echo Cancellation (AEC), Beam Forming (BF), and Noise Suppression (NS) technology.

Parametrics

ALC888 absolute maximum ratings: (1)Digital power for core, DVDD: 3.0 to 3.6V; (2)Digital power for HDA link, DVDD-IO: 1.5 to 3.6V; (3)Analog, AVDD: 3.3 to 5.5V; (4)Ambient Operating Temperature, Ta: 0 to +70℃; (5)Storage Temperature, Ts: +125℃.

Features

ALC888 features: (1)All DACs supports 44.1k/48k/96k/192kHz sample rate; (2)All ADCs support 44.1k/48k/96k sample rate; (3)16/20/24-bit S/PDIF-OUT supports 44.1k/48k/96k/192kHz sample rate; (4)16/20/24-bit S/PDIF-IN supports 44.1k/48k/96k/192kHz sample rate ; (5)Up to four channels of microphone array input are supported for AEC/BF application; (6)High-quality analog differential CD input; (7)Supports external PCBEEP input and built-in digital BEEP generator; (8)Software selectable 2.5V/3.75V VREFOUT; (9)Two jack detection pins each designed to detect up to 4 jacks; (10)Supports legacy analog mixer architecture; (11)Wide range (–80dB to +42dB) volume control with 1.5dB resolution of analog to analog mixer gain; (12)Software selectable boost gain (+10/+20/+30dB) for analog microphone input; (13)All analog jacks are stereo input and output re-tasking for analog plug & play; (14)Built-in headphone amplifiers for each re-tasking jack; (15)Two GPIOs (General Purpose Input and Output) for customized applications.

Diagrams