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Realtek ALC201A Audio Driver (P4XB-S)
The ALC201A is an 18-bit, full duplex AC'97 2.2 compatible stereo audio CODEC
designed for PC multimedia systems, including host/soft audio and AMR/
CNR based designs. ALC201A AC'97 CODEC incorporates proprietary con-
verter technology to achieve high SNR greater than 90 dB. In addition, it sup-
ports multiple CODEC extension with independent variable sampling rate and
built-in 3D effects. It also provides two pairs of stereo outputs with independ-
ent volume controls, a mono output, and multiple stereo and mono inputs,
along with flexible mixing, gain and mute functions to provide a completely
integrated audio solution for PCs.
Features
•
AC'97 2.2 Compatible & WHQL Compliant
•
High Performance Converter Technology
•
18-bit Stereo Full-Duplex CODEC with Independent Variable Sampling
Rate
•
Four Analog Line-Level Stereo Inputs for Connection from LINE, CD,
VIDEO and AUX
•
Two Analog Line-Level Stereo Inputs for Speakerphone and PC BEEP
•
Two MIC Inputs w/ Software Selectable
•
High Quality Differential CD Input
•
True Stereo Line Level Outputs
•
EAPD (External Amplifier Power Down) Control
•
3D Stereo Enhancement
•
Multi-CODEC Extension
•
SNR Greater Than 95 dB
•
Line Output with 50mW/20ohm Driving Capability
•
Headphone Jack-Detection to Mute LINE Output
•
MC'97 Chain-In Allows for Multi-Channel Application
•
Supports SPDIF-Out, Fully Compliant to AC'97 Specification Rev. 2.2
•
Power Management Support
•
Power Supply (Digital 3.3V/ Analog 5V)
•
Meets Microsoft PC99 & WLP 2.0 Audio Requirements
48-Pin LQFP Package
4-73
Driver Setup
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