Product Summary

The ALC888 is a high-performance 7.1+2 channel high definition audio codec. It provides 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)Power supply: Digital power for core DVDD: MIN=3.0V, TYP=3.3V, MAX=3.6V; Digital power for HDA link DVDD-IO: MIN=1.5V, TYP=3.3V, MAX=3.6V; Analog AVDD: MIN=3.3V, TYP=5.0V, MAX=5.5V; (2)Ambient operating temperature Ta: MIN=0, MAX=+70℃; (3)Storage temperature Ts: MAX=+125℃.

Features

ALC888 features: (1)High-quality analog differental CD input; (2)Supports external PCBEEP input and built-in digital BEEP generator; (3)Software selectable 2.5V/3.75V VERFOUT; (4)Two jack detection pins each designed to detect up to 4 jacks; (5)Supports legacy analog mixer architecture; (6)Wide range(-80dB~+42dB)volume control with 1.5dB resolution of analog to analog mixer gain.

Diagrams

ALC888 block diagram

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