ALC887 Datasheet – 7.1 Channel Audio Codec – Realtek

Part Number : ALC887, ALC887-GR

Function : 7.1 CHANNEL HIGH DEFINITION AUDIO CODEC WITH TWO INDEPENDENT SPDIF-OUT

Package : LQFP-48 Type

Manufactures : Realtek Semiconductor ( www.realtek.com.tw )

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ALC887 audio codec realtek
Description

The ALC887 is a 7.1 Channel High Definition Audio Codec with two independent SPDIF outputs. Featuring eight channels of DAC support 7.1 sound playback, and integrates two stereo ADC that can support a stereo microphone, and feature Acoustic Echo Cancellation (AEC), Beam Forming (BF), and Noise Suppression (NS) for voice applications.  ALC887 is designed not only to meet the premium audio performance requirements in current WLP3.10 (Windows Logo Program), but provides better characteristics for future WLP. That brings user real high fidelity of sound quality.

 

Pinout

ALC887 datasheet pinout
Hardware Features

1. Meets premium audio requirements for Microsoft WLP 3.10
2. Meets stricter performance requirements for future WLP
3. High-performance DACs with 97dB Signal-to-Noise Ratio (SNR), ADCs with 90dB SNR
4. Four stereo DACs (8 channels) support 16/20/24-bit PCM format for 7.1 sound playback.
5. Two stereo ADCs (4 channels) support 16/20/24-bit PCM format recording simultaneously
6. All DACs supports 16/20/24-bit, 44.1k/48k/96k/192kHz sample rate

 

Software Features

1. Meets Microsoft WLP 3.10 and future WLP audio requirements
2. WaveRT based audio function driver for Windows Vista
3. EAX 1.0 & 2.0 compatible, especially the EAX effect is supported in Windows Vista
4. Direct Sound 3D™ compatible
5. Emulation of 26 sound environments to enhance gaming experience
6. Multi bands of software equalizer and tool are provided
7. Voice Cancellation and Key Shifting effect

 

Official Homepage : http://www.realtek.com.tw/products/

Reference Site : OS X Realtek ALC887 Onboard Audio ( https://github.com/toleda/audio_ALC887 )

ALC887 Datasheet

ALC887 pdf

 

AX2358F Datasheet – 6-Channel Input Selector

Part Number : AX2358F, AX2358

Function : Six-channel input selector with volume Controller

Package : SOP-28 Type

Manufacturers : AX ELITE

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AX2358F Datasheet

Description :

AX2358 is specially designed for six-channel home theater sound system designed with input selector, and built-in 2-channel –6 channel conversion, You can directly conventional 2-channel stereo signal is directly converted into an analog 6-channel signal, while the built-in 6-channel volume control circuit, using I2C Control interface, 0 to -79dB, 1dB each level attenuation range, low noise, high resolution, very few peripheral components, a new generation of multi-channel AV Prerequisites excellent sound volume control elements.

Pinout

AX2358F Datasheet Pinout

Features

1. Wide operating voltage range: VCC = 5.0 ~ 9.0V
2. Provide 4 stereo and a group of six channel input
3. Built-in 2-channel –6 channel low-frequency converter and a low pass filter deputy
4. The six-channel volume control: 0dB ~ -79dB, 1dB each level
5. The maximum input voltage of up to 3.0Vrms (1KHZ, THD <1%)
6. Low noise, SNR> 100dB
7. High channel separation> 100dB
8. I2C control interface

AX2358F Datasheet