WM8983GEFLSLASHV datasheet(3/123 Pages) WOLFSON

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Production Data

WM8983

PD Rev 4.0 November 2006

TABLE OF CONTENTS

DESCRIPTION .......................................................................................................1

FEATURES.............................................................................................................1

APPLICATIONS .....................................................................................................1

BLOCK DIAGRAM .................................................................................................2

TABLE OF CONTENTS .........................................................................................3

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

ORDERING INFORMATION ..................................................................................5

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

ABSOLUTE MAXIMUM RATINGS .........................................................................7

RECOMMENDED OPERATING CONDITIONS .....................................................7

ELECTRICAL CHARACTERISTICS ......................................................................8

TERMINOLOGY .......................................................................................................... 13

SPEAKER OUTPUT THD VERSUS POWER ......................................................14

POWER CONSUMPTION ....................................................................................16

TYPICAL SCENARIOS................................................................................................ 16

AUDIO PATHS OVERVIEW ........................................................................................ 17

SYSTEM CLOCK TIMING ........................................................................................... 18

AUDIO INTERFACE TIMING – MASTER MODE ........................................................ 18

AUDIO INTERFACE TIMING – SLAVE MODE............................................................ 19

CONTROL INTERFACE TIMING – 3-WIRE MODE .................................................... 20

CONTROL INTERFACE TIMING – 2-WIRE MODE .................................................... 21

INTERNAL POWER ON RESET CIRCUIT ..........................................................22

RECOMMENDED POWER UP/DOWN SEQUENCE .................................................. 24

RECOMMENDED L/ROUT1 ENABLE SEQUENCE .................................................... 27

DEVICE DESCRIPTION .......................................................................................28

INTRODUCTION ......................................................................................................... 28

INPUT SIGNAL PATH ................................................................................................. 30

ANALOGUE TO DIGITAL CONVERTER (ADC).......................................................... 39

INPUT LIMITER / AUTOMATIC LEVEL CONTROL (ALC) .......................................... 44

OUTPUT SIGNAL PATH ............................................................................................. 56

3D STEREO ENHANCEMENT .................................................................................... 63

ANALOGUE OUTPUTS............................................................................................... 63

DIGITAL AUDIO INTERFACES................................................................................... 80

AUDIO SAMPLE RATES............................................................................................. 85

MASTER CLOCK AND PHASE LOCKED LOOP (PLL) ............................................... 85

COMPANDING............................................................................................................ 88

GENERAL PURPOSE INPUT/OUTPUT...................................................................... 90

OUTPUT SWITCHING (JACK DETECT)..................................................................... 90

CONTROL INTERFACE.............................................................................................. 92

RESETTING THE CHIP .............................................................................................. 93

POWER SUPPLIES .................................................................................................... 93

POWER MANAGEMENT ............................................................................................ 93

DIGITAL FILTER CHARACTERISTICS .............................................................114

TERMINOLOGY ........................................................................................................ 114

DAC FILTER RESPONSES....................................................................................... 115

ADC FILTER RESPONSES....................................................................................... 115

HIGHPASS FILTER................................................................................................... 116

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