WM8983GEFLSLASHV datasheet(3/124 Pages) WOLFSON

3 / 124 page

Production Data

WM8983

PD, Rev 4.3, May 2010

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

SIGNAL TIMING REQUIREMENTS .....................................................................18

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

LIMITER MODE........................................................................................................... 47

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

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

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

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

AUDIO SAMPLE RATES............................................................................................. 86

MASTER CLOCK AND PHASE LOCKED LOOP (PLL) ............................................... 86

COMPANDING............................................................................................................ 89

GENERAL PURPOSE INPUT/OUTPUT ...................................................................... 91

OUTPUT SWITCHING (JACK DETECT) ..................................................................... 91

CONTROL INTERFACE.............................................................................................. 93

RESETTING THE CHIP .............................................................................................. 94

POWER SUPPLIES..................................................................................................... 94

POWER MANAGEMENT............................................................................................. 94

DIGITAL FILTER CHARACTERISTICS.............................................................115

TERMINOLOGY ........................................................................................................ 115

DAC FILTER RESPONSES....................................................................................... 116

ADC FILTER RESPONSES....................................................................................... 116

WM8983GEFL/V 数据表(PDF) 3 Page - Wolfson Microelectronics plc

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