WM8746
Production Data
TABLE OF CONTENTS
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM .................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
PIN DESCRIPTION ................................................................................................4
ABSOLUTE MAXIMUM RATINGS.........................................................................5
DC ELECTRICAL CHARACTERISTICS........................................................................ 6
AC ELECTRICAL CHARACTERISTICS........................................................................ 6
TERMINOLOGY............................................................................................................ 7
MASTER CLOCK TIMING............................................................................................. 8
DIGITAL AUDIO INTERFACE TIMING.......................................................................... 8
DIGITAL CONTROL INTERFACE................................................................................. 9
DEVICE DESCRIPTION.......................................................................................10
INTRODUCTION......................................................................................................... 10
AUDIO DATA SAMPLING RATES............................................................................... 10
DIGITAL AUDIO INTERFACE..................................................................................... 11
MODES OF OPERATION ........................................................................................... 14
SOFTWARE CONTROL MODES................................................................................ 15
HARDWARE CONTROL MODES ............................................................................... 21
SOFTWARE CONTROL INTERFACE......................................................................... 22
REGISTER MAP...................................................................................................23
DAC FILTER RESPONSES .................................................................................26
DIGITAL DE-EMPHASIS CHARACTERISTICS...................................................27
RECOMMENDED EXTERNAL COMPONENTS ..................................................28
RECOMMENDED EXTERNAL COMPONENTS VALUES........................................... 28
DECOUPLING APPLICATIONS INFORMATION ................................................29
SUPPLY PINS DESCRIPTION.................................................................................... 29
DC ELECTRICAL CHARACTERISTICS...................................................................... 29
DECOUPLING EXAMPLES......................................................................................... 29
RECOMMENDED ANALOGUE LOW-PASS FILTER (OPTIONAL) ....................30
PACKAGE DIMENSIONS ....................................................................................31
IMPORTANT NOTICE..........................................................................................32
ADDRESS: .................................................................................................................. 32
March 2006, PD Rev 4.0
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
