WM8711BL
Production Data
TABLE OF CONTENTS
DESCRIPTION .......................................................................................................1
FEATURES ............................................................................................................1
APPLICATIONS.....................................................................................................1
BLOCK DIAGRAM.................................................................................................1
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
PIN DESCRIPTION ................................................................................................4
ABSOLUTE MAXIMUM RATINGS.........................................................................5
RECOMMENDED OPERATING CONDITIONS .....................................................5
ELECTRICAL CHARACTERISTICS......................................................................6
TERMINOLOGY.....................................................................................................7
POWER CONSUMPTION ......................................................................................8
HEADPHONE SNR VS AVDD ...............................................................................9
ANALOGUE SUPPLY CURRENT VS AVDD.........................................................9
DIGITAL AUDIO INTERFACE – MASTER MODE........................................................ 10
DIGITAL AUDIO INTERFACE – SLAVE MODE........................................................... 11
MPU INTERFACE TIMING........................................................................................... 11
DEVICE DESCRIPTION.......................................................................................13
INTRODUCTION.......................................................................................................... 13
AUDIO SIGNAL PATH ................................................................................................. 14
DEVICE OPERATION.................................................................................................. 19
AUDIO DATA SAMPLING RATES ............................................................................... 27
ACTIVATING DSP AND DIGITAL AUDIO INTERFACE............................................... 30
SOFTWARE CONTROL INTERFACE.......................................................................... 30
POWER DOWN MODES ............................................................................................. 32
REGISTER MAP.......................................................................................................... 34
DAC FILTER RESPONSES .................................................................................38
DIGITAL DE-EMPHASIS CHARACTERISTICS ..................................................40
RECOMMENDED EXTERNAL COMPONENTS..................................................41
PACKAGE DIMENSIONS – QFN.........................................................................42
IMPORTANT NOTICE..........................................................................................43
ADDRESS:................................................................................................................... 43
PD, Rev 4.1, April 2007
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
