* Audio Performance
* 108dB SNR (‘A’ weighted @ 48kHz) DAC
* 102dB SNR (‘A’ weighted @ 48kHz) ADC
* DAC Sampling Frequency: 32kHz – 192kHz
* ADC Sampling Frequency: 32kHz – 96kHz
* Five Stereo ADC Inputs with Analogue Gain Adjust from +24dB
to –21dB in 0.5dB Steps
* Programmable Limiter or Automatic Level Control (ALC)
* Stereo DAC with Independent Analogue and Digital Volume
Controls
* Stereo Headphone and Line Output
* 3-Wire SPI Compatible or 2-Wire Software Serial Control
Interface
* Master or Slave Clocking Mode
* Programmable Audio Data Interface Modes
* I2S, Left, Right Justified or DSP
* 16/20/24/32 bit Word Lengths
* Analogue Bypass Path Feature
* Selectable AUX Input to the Volume Controls
* 2.7V to 5.5V Analogue, 2.7V to 3.6V Digital Supply
Operation
alc888t数据：
High-performance DACs with 97dB SNR (A-Weighting),
ADCs with 90dB SNR (A-Weighting) Ten DAC channels support 16/20/24-bit PCM
format for 7.1 sound playback, plus 2 channels of independent stereo sound
output (multiple streaming) through the front panel output Two stereo ADCs
support 16/20/24-bit PCM format, one for stereo microphone, one for legacy
mixer recording All DACs supports 44.1k/48k/96k/192kHz sample rate All ADCs
support 44.1k/48k/96k sample rate 16/20/24-bit S/PDIF-OUT supports
44.1k/48k/96k/192kHz sample rate 16/20/24-bit S/PDIF-IN supports
44.1k/48k/96k/192kHz sample rate Up to four channels of microphone array
input are supported for AEC/BF applications High-quality analog differential
CD input Supports external PCBEEP input and built-in digital BEEP generator
Software selectable 2.5V/3.75V VREFOUT Two jack detection pins each designed
to detect up to 4 jacks Supports legacy analog mixer architecture Wide range
(–80dB ~ +42dB) volume control with 1.5dB resolution of analog to analog
mixer gain Software selectable boost gain (+10/+20/+30dB) for analog
microphone input All analog jacks are stereo input and output re-tasking for
analog plug & play Built-in headphone amplifiers for each re-tasking jack
Two GPIOs (General Purpose Input and Output) for customized applications
Supports anti-pop mode when analog power AVDD is on and digital power is
off. 64-pin LQFP 'Green' package Meets Microsoft WHQL/WLP 3.0 audio
requirements WaveRT-based audio function driver for Windows Vista EAX™ 1.0 &
2.0 compatible Direct Sound 3D™ compatible A3D™ compatible I3DL2 compatible
HRTF 3D Positional Audio Emulation of 26 sound environments to enhance
gaming experience 10-Band Software Equalizer
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