WM8746 查看數據表（PDF） - Wolfson Microelectronics plc
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WM8746 Datasheet PDF : 32 Pages
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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
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March 2006, PD Rev 4.0
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