XWM8739SEDS/V Ver la hoja de datos (PDF) - Cirrus Logic
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XWM8739SEDS/V Datasheet PDF : 37 Pages
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WM8739
Production Data
TABLE OF CONTENTS
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM .................................................................................................1
PIN CONFIGURATION (SSOP) .............................................................................3
ORDERING INFORMATION ..................................................................................3
PIN DESCRIPTION ................................................................................................4
ABSOLUTE MAXIMUM RATINGS.........................................................................5
RECOMMENDED OPERATING CONDITIONS – WM8739 ...................................5
ELECTRICAL CHARACTERISTICS – WM8739 ....................................................6
TERMINOLOGY .....................................................................................................7
POWER CONSUMPTION – WM8739 ....................................................................8
DIGITAL AUDIO INTERFACE TIMING ..................................................................9
MPU INTERFACE TIMING ...................................................................................11
DEVICE DESCRIPTION.......................................................................................13
INTRODUCTION.......................................................................................................... 13
LINE INPUTS ............................................................................................................... 13
ADC ............................................................................................................................. 15
ADC FILTERS.............................................................................................................. 16
CRYSTAL OSCILLATOR ............................................................................................. 17
DIGITAL AUDIO INTERFACES ................................................................................... 17
MASTER AND SLAVE MODE OPERATION ................................................................ 20
AUDIO DATA SAMPLING RATES ............................................................................... 21
ACTIVATING DSP AND DIGITAL AUDIO INTERFACE............................................... 25
SOFTWARE CONTROL INTERFACE ......................................................................... 25
POWER DOWN MODES ............................................................................................. 27
REGISTER MAP .......................................................................................................... 29
DIGITAL FILTER CHARACTERISTICS ...............................................................31
TERMINOLOGY........................................................................................................... 31
ADC FILTER RESPONSES .................................................................................32
ADC HIGH PASS FILTER ............................................................................................ 33
RECOMMENDED EXTERNAL COMPONENTS ..................................................34
PACKAGE DIMENSIONS (SSOP) .......................................................................35
IMPORTANT NOTICE ..........................................................................................36
ADDRESS:................................................................................................................... 36
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PD, Rev 4.2, July 2008
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