WM8734 查看數據表（PDF） - Cirrus Logic
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WM8734 Datasheet PDF : 45 Pages
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WM8734
Production Data
TABLE OF CONTENTS
DESCRIPTION....................................................................................................... 1
FEATURES ............................................................................................................ 1
APPLICATIONS..................................................................................................... 1
BLOCK DIAGRAM ................................................................................................ 1
TABLE OF CONTENTS......................................................................................... 2
PIN CONFIGURATION – SSOP ............................................................................ 3
ORDERING INFORMATION - SSOP..................................................................... 3
PIN DESCRIPTION - SSOP................................................................................... 4
ABSOLUTE MAXIMUM RATINGS ........................................................................ 5
RECOMMENDED OPERATING CONDITIONS..................................................... 5
ELECTRICAL CHARACTERISTICS ..................................................................... 6
TERMINOLOGY .............................................................................................................. 7
POWER CONSUMPTION (EXAMPLES) ............................................................... 8
MASTER CLOCK TIMING ..................................................................................... 9
DIGITAL AUDIO INTERFACE – MASTER MODE .......................................................... 9
DIGITAL AUDIO INTERFACE – SLAVE MODE ............................................................ 10
MPU INTERFACE TIMING ............................................................................................ 12
DEVICE DESCRIPTION ...................................................................................... 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
DAC FILTER RESPONSES .......................................................................................... 38
ADC FILTER RESPONSES .......................................................................................... 38
ADC HIGH PASS FILTER ............................................................................................. 39
DIGITAL DE-EMPHASIS CHARACTERISTICS .................................................. 40
APPLICATIONS INFORMATION ........................................................................ 41
RECOMMENDED EXTERNAL COMPONENTS ........................................................... 41
MINIMISING POP NOISE AT THE ANALOGUE OUTPUTS ......................................... 42
PACKAGE DIMENSIONS (SSOP) ...................................................................... 43
IMPORTANT NOTICE ......................................................................................... 44
ADDRESS: .................................................................................................................... 44
REVISION HISTORY ........................................................................................... 45
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PD, Rev 4.4, August 2013
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