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WM8711LGEFL Datasheet(PDF) 2 Page - Wolfson Microelectronics plc

No. de Pieza. WM8711LGEFL
Descripción  Internet Audio DAC with Integrated Headphone Amplifier
Descarga  44 Pages
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Fabricante  WOLFSON [Wolfson Microelectronics plc]
Página de inicio  http://www.wolfsonmicro.com
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WM8711LGEFL Datasheet(HTML) 2 Page - Wolfson Microelectronics plc

 
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WM8711L
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PD, Rev 4.5, August 2011
2
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 
RECOMMENDED OPERATING CONDITIONS..................................................... 5 
ELECTRICAL CHARACTERISTICS ..................................................................... 6 
TERMINOLOGY................................................................................................................. 7
 
POWER CONSUMPTION...................................................................................... 8 
HEADPHONE SNR VS AVDD ............................................................................... 9 
ANALOGUE SUPPLY CURRENT VS AVDD ........................................................ 9 
MASTER CLOCK TIMING................................................................................... 10 
DIGITAL AUDIO INTERFACE – MASTER MODE.......................................................... 10
 
DIGITAL AUDIO INTERFACE – SLAVE MODE ............................................................. 11
 
MPU INTERFACE TIMING .............................................................................................. 11
 
DEVICE DESCRIPTION ...................................................................................... 13 
INTRODUCTION.............................................................................................................. 13
 
AUDIO SIGNAL PATH ..................................................................................................... 14
 
DEVICE OPERATION...................................................................................................... 19
 
AUDIO DATA SAMPLING RATES .................................................................................. 27
 
ACTIVATING DSP AND DIGITAL AUDIO INTERFACE ................................................. 30
 
SOFTWARE CONTROL INTERFACE ............................................................................ 30
 
POWER DOWN MODES ................................................................................................. 32
 
REGISTER MAP .............................................................................................................. 34
 
DIGITAL FILTER CHARACTERISTICS .............................................................. 38 
DAC FILTER RESPONSES............................................................................................. 38
 
DIGITAL DE-EMPHASIS CHARACTERISTICS.............................................................. 40
 
RECOMMENDED EXTERNAL COMPONENTS ................................................. 41 
PACKAGE DIMENSIONS.................................................................................... 42 
IMPORTANT NOTICE ......................................................................................... 43 
ADDRESS: ....................................................................................................................... 43
 
REVISION HISTORY ........................................................................................... 44 


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