WM8986GECOSLASHRV datasheet(3/87 Pages) WOLFSON

3 / 87 page

Pre-Production

WM8986

PP, Rev 3.1, February 2007

TABLE OF CONTENTS

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

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

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

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

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

PIN CONFIGURATION...........................................................................................4

ORDERING INFORMATION ..................................................................................4

PIN DESCRIPTION ................................................................................................5

ABSOLUTE MAXIMUM RATINGS .........................................................................6

RECOMMENDED OPERATING CONDITIONS .....................................................6

ELECTRICAL CHARACTERISTICS ......................................................................7

TERMINOLOGY .......................................................................................................... 11

AUDIO PATHS OVERVIEW .................................................................................12

SIGNAL TIMING REQUIREMENTS .....................................................................14

SYSTEM CLOCK TIMING ........................................................................................... 14

AUDIO INTERFACE TIMING – MASTER MODE ........................................................ 14

AUDIO INTERFACE TIMING – SLAVE MODE............................................................ 15

CONTROL INTERFACE TIMING – 3-WIRE MODE .................................................... 16

CONTROL INTERFACE TIMING – 2-WIRE MODE .................................................... 17

INTERNAL POWER ON RESET CIRCUIT ..........................................................18

RECOMMENDED POWER UP/DOWN SEQUENCE .................................................. 20

DEVICE DESCRIPTION .......................................................................................22

INTRODUCTION ......................................................................................................... 22

INPUT SIGNAL PATH ................................................................................................. 23

OUTPUT SIGNAL PATH ............................................................................................. 31

3D STEREO ENHANCEMENT .................................................................................... 37

ANALOGUE OUTPUTS............................................................................................... 37

DIGITAL AUDIO INTERFACES................................................................................... 50

AUDIO SAMPLE RATES............................................................................................. 54

MASTER CLOCK AND PHASE LOCKED LOOP (PLL) ............................................... 55

COMPANDING............................................................................................................ 57

GENERAL PURPOSE INPUT/OUTPUT...................................................................... 59

OUTPUT SWITCHING (JACK DETECT)..................................................................... 60

CONTROL INTERFACE.............................................................................................. 61

RESETTING THE CHIP .............................................................................................. 62

POWER SUPPLIES .................................................................................................... 62

POWER MANAGEMENT ............................................................................................ 63

DAC DIGITAL FILTER CHARACTERISTICS ......................................................79

TERMINOLOGY .......................................................................................................... 79

DAC FILTER RESPONSES......................................................................................... 80

5-BAND EQUALISER .................................................................................................. 81

APPLICATIONS INFORMATION .........................................................................85

RECOMMENDED EXTERNAL COMPONENTS.......................................................... 85

PACKAGE DIAGRAM ..........................................................................................86

IMPORTANT NOTICE ..........................................................................................87

ADDRESS: .................................................................................................................. 87

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