W6810 Просмотр технического описания (PDF) - Winbond

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Компоненты Описание

производитель

W6810

SINGLE-CHANNEL VOICEBAND CODEC

Winbond 

W6810

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

7.2. Receive Path ................................................................................................................................. 9

7.3. Power Management..................................................................................................................... 10

7.3.1. Analog and Digital Supply ..................................................................................................... 10

7.3.2. Analog Ground Reference Bypass .......................................................................................10

7.3.3. Analog Ground Reference Voltage Outpt .............................................................................10

7.4. PCM Interface .............................................................................................................................. 10

7.4.1. Long Frame Sync.................................................................................................................. 11

7.4.2. Short Frame Sync ................................................................................................................. 11

7.4.3. General Circuit Interface (GCI) ............................................................................................. 11

7.4.4. Interchip Digital Link (IDL)..................................................................................................... 12

7.4.5. System Timing ...................................................................................................................... 12

8. TIMING DIAGRAMS.......................................................................................................................... 13

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. μ-Law Encode Decode Characteristics...............................................................................26

10.5.2. A-Law Encode Decode Characteristics ..............................................................................27

10.5.3. PCM Codes for Zero and Full Scale ...................................................................................28

10.5.4. PCM Codes for 0dBm0 Output ...........................................................................................28

11. TYPICAL APPLICATION CIRCUIT ................................................................................................. 29

12. PACKAGE SPECICIFICATION....................................................................................................... 31

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