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WM8711LGEFL 参数 Datasheet PDF下载

WM8711LGEFL图片预览
型号: WM8711LGEFL
PDF下载: 下载PDF文件 查看货源
内容描述: 互联网音频DAC ,集成耳机放大器 [Internet Audio DAC with Integrated Headphone Amplifier]
分类和应用: 转换器放大器
文件页数/大小: 44 页 / 445 K
品牌: WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
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WM8711L  
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  
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  
PD, Rev 4.5, August 2011  
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