WM8706
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
DC ELECTRICAL CHARACTERISTICS .....................................................................6
ELECTRICAL CHARACTERISTICS ...........................................................................6
TERMINOLOGY................................................................................................................. 7
MASTER CLOCK TIMING.................................................................................................. 8
DIGITAL AUDIO INTERFACE............................................................................................ 8
MPU INTERFACE TIMING................................................................................................. 9
DEVICE DESCRIPTION............................................................................................10
INTRODUCTION...............................................................................................................10
CLOCKING SCHEMES .....................................................................................................10
DIGITAL AUDIO INTERFACE...........................................................................................10
AUDIO DATA SAMPLING RATES.....................................................................................13
HARDWARE CONTROL MODES .....................................................................................13
SOFTWARE CONTROL INTERFACE...............................................................................15
REGISTER MAP ...............................................................................................................16
ATTENUATION CONTROL...............................................................................................18
DIGITAL FILTER CHARACTERISTICS....................................................................21
DAC FILTER RESPONSES...............................................................................................21
DIGITAL DE-EMPHASIS CHARACTERISTICS........................................................22
RECOMMENDED EXTERNAL COMPONENTS .......................................................23
RECOMMENDED EXTERNAL COMPONENT VALUES ...................................................23
RECOMMENDED ANALOGUE LOW PASS FILTER (OPTIONAL) .........................24
PACKAGE DIMENSIONS .........................................................................................25
IMPORTANT NOTICE...............................................................................................26
ADDRESS: ........................................................................................................................26
PD Rev 4.1 July 2005
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
