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