ALC662 Datasheet – 5.1-Ch, Audio Codec (Driver)

This is audio codec ic.

Part Number : ALC662

Function : 5.1-Channel High Defintion Audio Codec

Package : 48-pin LQFP type

Manufactures : Realtek

Images :

ALC662 driver audio codec

Description :

ALC662 products are 5.1 Channel High Definition Audio Codecs designed for Windows Vista premium
desktop and mobile PCs. The ALC662, ALC662VC0, and ALC662VC1 meet audio performance and function requirements for the latest Microsoft WLP3.10 (Windows Logo Program). All analog IO (except CD-IN and PCBEEP) are input and output capable, and three headphone amplifiers are also integrated to drive earphones on front (port-E and port-F) and rear panel (port-D). […]

Hardware Features

1. Meets premium audio requirements for Microsoft WLP 3.10 (ALC662 and ALC662-VC series)
2. Meets stricter performance requirements for future WLP (ALC662-VC series)
3. Six-channel DAC supports 16/20/24-bit PCM format for 5.1 channel audio solution
4. Two stereo ADCs support 16/20-bit PCM format
5. All DACs support independent 44.1k/48k/96kHz sample rate
6. All ADCs support independent 44.1k/48k/96kHz sample rate
7. Supports 44.1k/48k/96kHz SPDIF output
8. All analog jack ports are stereo input and output re-tasking


ALC662 realtek pinout


1. Desktop and mobile multimedia PCs
2. Ultra mobile PCs

ALC662 Datasheet

ALC887 Datasheet – 7.1 Channel Audio Codec – Realtek

This is a kind of audio codec.

Part Number : ALC887, ALC887-GR


Package : LQFP-48 Type

Manufactures : Realtek Semiconductor ( )

See the preview image and the PDF file for more information.


ALC887 audio codec realtek

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.


ALC887 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 :

Reference Site : OS X Realtek ALC887 Onboard Audio ( )

ALC887 Datasheet

ALC887 pdf