Production Data

WM8711 / WM8711L

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PD Rev 4.4 April 2007

2

TABLE OF CONTENTS

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

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

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

BLOCK DIAGRAM .................................................................................................1

PIN CONFIGURATION – 28-LEAD SSOP.............................................................3

ORDERING INFORMATION – 28-LEAD SSOP ....................................................3

PIN CONFIGURATION – 28-LEAD QFN ...............................................................4

ORDERING INFORMATION – 28-LEAD QFN.......................................................4

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

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

RECOMMENDED OPERATING CONDITIONS – WM8711 ...................................6

RECOMMENDED OPERATING CONDITIONS – WM8711L.................................6

ELECTRICAL CHARACTERISTICS – WM8711....................................................7

TERMINOLOGY .....................................................................................................8

POWER CONSUMPTION – WM8711 ....................................................................9

ELECTRICAL CHARACTERISTICS – WM8711L .................................................9

TERMINOLOGY ...................................................................................................10

POWER CONSUMPTION – WM8711L ................................................................11

WM8711L HEADPHONE SNR VS AVDD ............................................................12

WM8711L ANALOGUE SUPPLY CURRENT VS AVDD .....................................12

DIGITAL AUDIO INTERFACE – MASTER MODE........................................................ 13

DIGITAL AUDIO INTERFACE – SLAVE MODE ........................................................... 14

MPU INTERFACE TIMING........................................................................................... 14

DEVICE DESCRIPTION .......................................................................................16

INTRODUCTION.......................................................................................................... 16

AUDIO SIGNAL PATH ................................................................................................. 17

DEVICE OPERATION .................................................................................................. 22

AUDIO DATA SAMPLING RATES ............................................................................... 30

ACTIVATING DSP AND DIGITAL AUDIO INTERFACE ............................................... 33

SOFTWARE CONTROL INTERFACE.......................................................................... 33

POWER DOWN MODES ............................................................................................. 35

REGISTER MAP .......................................................................................................... 37

DAC FILTER RESPONSES .................................................................................41

DIGITAL DE-EMPHASIS CHARACTERISTICS ..................................................42

RECOMMENDED EXTERNAL COMPONENTS ..................................................44

PACKAGE DIMENSIONS - SSOP .......................................................................45

PACKAGE DIMENSIONS – QFN.........................................................................46

IMPORTANT NOTICE ..........................................................................................47

ADDRESS:................................................................................................................... 47