WM8951L Ver la hoja de datos (PDF) - Wolfson Microelectronics plc
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WM8951L Datasheet PDF : 42 Pages
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WM8951L
TABLE OF CONTENTS
Production Data
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
MASTER CLOCK TIMING......................................................................................9
DIGITAL AUDIO INTERFACE – MASTER MODE ....................................................... 10
DIGITAL AUDIO INTERFACE – SLAVE MODE .......................................................... 11
MPU INTERFACE TIMING .......................................................................................... 12
DEVICE DESCRIPTION.......................................................................................14
INTRODUCTION ......................................................................................................... 14
AUDIO SIGNAL PATH................................................................................................. 14
DEVICE OPERATION ................................................................................................. 20
AUDIO DATA SAMPLING RATES............................................................................... 25
ACTIVATING DSP AND DIGITAL AUDIO INTERFACE .............................................. 30
SOFTWARE CONTROL INTERFACE......................................................................... 30
POWER DOWN MODES ............................................................................................ 32
REGISTER MAP ......................................................................................................... 34
DIGITAL FILTER CHARACTERISTICS ...............................................................37
TERMINOLOGY .......................................................................................................... 37
ADC FILTER RESPONSES .................................................................................38
ADC HIGH PASS FILTER ........................................................................................... 39
APPLICATIONS INFORMATION .........................................................................40
RECOMMENDED EXTERNAL COMPONENTS .......................................................... 40
PACKAGE DIMENSIONS ....................................................................................41
IMPORTANT NOTICE ..........................................................................................42
ADDRESS: .................................................................................................................. 42
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PD Rev 4.1 December 2007
2
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