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ALC650

Realtek Microelectronics
Part Number ALC650
Manufacturer Realtek Microelectronics
Description Application Notes
Published Dec 27, 2007
Detailed Description www.DataSheet4U.com ALC650 REALTEK ALC650 APPLICATION NOTES 1. Introduction......
Datasheet PDF File ALC650 PDF File

ALC650
ALC650

Overview
www.
DataSheet4U.
com ALC650 REALTEK ALC650 APPLICATION NOTES 1.
Introduction 1 2.
Mixer Block Diagram .
.
.
.
2 3.
Audio Jack Sharing.
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.
3 4.
Saving 24.
576MHz Crystal.
5 5.
Output Amplifier at LINE-OUT.
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6 6.
General Purpose I/O (GPIO) .
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6 7.
6-Channel Mini DIN Connection .
7 8.
Front-MIC Input.
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7 9.
S/PDIF-In Function .
.
8 10.
Pin Assignments .
8 11.
Complete Application Circuits.
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.
8 12.
Regulator Selection .
9 13.
S/PDIF IO Layout Guide.
10 14.
Select Correct Optical Receiver for S/PDIF-IN.
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.
12 0.
Revision History Version 1.
4: (1) Add GPIO control circuit to switch MIC bias voltage.
Version 1.
5: (1) Modified GPIO control circuit to switch MIC bias voltage.
(2) Add S/PDIF input and S/PDIF output layout notice.
Version 1.
6: (1) S/PDIF IO layout guide in section 13.
(2) Section 14 describes how to select correct optical receiver for S/PDIF-IN.
1.
Introduction The ALC650 has a 20-bit stereo DAC and 18-bit stereo ADC, full duplex AC'97 2.
2 compatible audio CODEC designed for PC multimedia systems, including host/soft audio and AMR/CNR based designs.
The ALC650 incorporates proprietary converter technology to achieve a high SNR, greater than 90 dB.
The ALC650 AC'97 CODEC supports independent variable sampling rates and built-in 3D effects.
This document contains some notes on application circuits for the ALC650.
This guide is intended for the Realtek customer who will be designing a hardware system aro...


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