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WM8728_12 参数 Datasheet PDF下载

WM8728_12图片预览
型号: WM8728_12
PDF下载: 下载PDF文件 查看货源
内容描述: 24位, 192kHz的立体声DAC,具有音量控制 [24-bit, 192kHz Stereo DAC with Volume Control]
分类和应用:
文件页数/大小: 30 页 / 482 K
品牌: WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
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WM8728  
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  
DC ELECTRICAL CHARACTERISTICS .....................................................................6  
ELECTRICAL CHARACTERISTICS ...........................................................................6  
TERMINOLOGY................................................................................................................. 7  
MASTER CLOCK TIMING.................................................................................................. 8  
DIGITAL AUDIO INTERFACE............................................................................................ 8  
POWER SUPPLY TIMING ................................................................................................. 9  
POWER ON RESET (POR) ............................................................................................... 9  
MPU 3-WIRE INTERFACE TIMING ..................................................................................12  
MPU 2-WIRE INTERFACE TIMING ..................................................................................13  
DEVICE DESCRIPTION............................................................................................14  
INTRODUCTION...............................................................................................................14  
CLOCKING SCHEMES .....................................................................................................14  
DIGITAL AUDIO INTERFACE...........................................................................................15  
AUDIO DATA SAMPLING RATES.....................................................................................17  
HARDWARE CONTROL MODES .....................................................................................18  
SOFTWARE CONTROL INTERFACE...............................................................................20  
REGISTER MAP ...............................................................................................................21  
ATTENUATION CONTROL...............................................................................................22  
DIGITAL FILTER CHARACTERISTICS.............................................................................25  
DAC FILTER RESPONSES...............................................................................................25  
DIGITAL DE-EMPHASIS CHARACTERISTICS........................................................26  
APPLICATIONS INFORMATION ..............................................................................27  
RECOMMENDED EXTERNAL COMPONENTS (PCM AUDIO).........................................27  
RECOMMENDED EXTERNAL COMPONENTS VALUES.................................................27  
RECOMMENDED ANALOGUE LOW PASS FILTER FOR PCM DATA FORMAT  
(OPTIONAL)......................................................................................................................28  
PACKAGE DIMENSIONS .........................................................................................29  
IMPORTANT NOTICE...............................................................................................30  
ADDRESS: ........................................................................................................................30  
PD, Rev 4.6, August 2008  
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