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參數資料

型號：	W681360YG
廠商：	WINBOND ELECTRONICS CORP
元件分類：	編解碼器
英文描述：	3V SINGLE-CHANNEL 13-BIT LINEAR VOICE-BAND CODEC
中文描述：	MU-LAW, LINEAR CODEC, PQCC32
封裝：	ROHS COMPLIANT, QFN-32
文件頁數：	4/34頁
文件大小：	348K
代理商：	W681360YG

W681360

Publication Release Date: September 2005

- 4 -

Revision A.2

4. TABLE OF CONTENTS

1. GENERAL DESCRIPTION.................................................................................................................. 2

2. FEATURES ......................................................................................................................................... 2

3. BLOCK DIAGRAM............................................................................................................................... 3

4. TABLE OF CONTENTS ...................................................................................................................... 4

5. PIN CONFIGURATION ....................................................................................................................... 6

6. PIN DESCRIPTION............................................................................................................................. 7

7. FUNCTIONAL DESCRIPTION............................................................................................................ 8

7.1. Transmit Path................................................................................................................................ 8

7.1.1 Input Operational Amplifier Gain............................................................................................. 9

7.2. Receive Path...............................................................................................................................10

7.2.1. Receive Gain Adjust Mode................................................................................................... 11

7.3. Power Management.................................................................................................................... 11

7.3.1. Analog and Digital Supply.................................................................................................... 11

7.3.2. Analog Ground Reference Bypass ...................................................................................... 11

7.3.3. Analog Ground Reference Voltage Output.......................................................................... 11

7.4. PCM Interface............................................................................................................................. 12

7.4.1. Long Frame Sync................................................................................................................. 12

7.4.2. Short Frame Sync................................................................................................................ 12

7.4.3. Special 16-bit Receive Modes.............................................................................................. 13

7.4.3.1. Sign-Extended Mode Timing............................................................................................. 13

7.4.3.2. Receive Gain Adjust Mode Timing.................................................................................... 13

7.4.4. System Timing ..................................................................................................................... 14

7.5. On-Chip Power Amplifier............................................................................................................ 14

8. TIMING DIAGRAMS.......................................................................................................................... 15

9. ABSOLUTE MAXIMUM RATINGS.................................................................................................... 20

9.1. Absolute Maximum Ratings........................................................................................................ 20

9.2. Operating Conditions.................................................................................................................. 20

10. ELECTRICAL CHARACTERISTICS............................................................................................... 21

10.1. General Parameters ................................................................................................................. 21

10.2. Analog Signal Level and Gain Parameters............................................................................... 22

10.3. Analog Distortion and Noise Parameters ................................................................................. 23

10.4. Analog Input and Output Amplifier Parameters........................................................................ 24

10.5. Digital I/O.................................................................................................................................. 26

10.5.1. PCM Codes for Zero and Full Scale.................................................................................. 26

10.5.2. PCM Codes for 1kHz Digital Milliwatt ................................................................................ 26

11. TYPICAL APPLICATION CIRCUIT................................................................................................. 27

12. PACKAGE DRAWING AND DIMENSIONS.................................................................................... 28

12.1. 20L SOG (SOP)-300mil............................................................................................................ 28

12.2. 20L SSOP-209 mil.................................................................................................................... 29

12.3. 20L TSSOP - 4.4X6.5mm......................................................................................................... 30

12.3. QFN-32L................................................................................................................................... 31

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