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WM8523 Datasheet(PDF) 3 Page - Wolfson Microelectronics plc

Part # WM8523
Description  24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8523 Datasheet(HTML) 3 Page - Wolfson Microelectronics plc

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Production Data
WM8523
w
PD, Rev 4.1, August 2011
3
TABLE OF CONTENTS
DESCRIPTION ................................................................................................................... 1
FEATURES......................................................................................................................... 1
APPLICATIONS ................................................................................................................. 1
BLOCK DIAGRAM ............................................................................................................. 2
TABLE OF CONTENTS ..................................................................................................... 3
PIN CONFIGURATION....................................................................................................... 4
ORDERING INFORMATION .............................................................................................. 4
PIN DESCRIPTION – 20-LEAD TSSOP ............................................................................ 5
PIN DESCRIPTION – 24-LEAD QFN ................................................................................. 6
ABSOLUTE MAXIMUM RATINGS..................................................................................... 8
RECOMMENDED OPERATING CONDITIONS ................................................................. 8
ELECTRICAL CHARACTERISTICS .................................................................................. 9
TERMINOLOGY ..........................................................................................................................9
POWER CONSUMPTION MEASUREMENTS ..........................................................................10
SIGNAL TIMING REQUIREMENTS ................................................................................. 11
SYSTEM CLOCK TIMING .........................................................................................................11
AUDIO INTERFACE TIMING – MASTER MODE ......................................................................11
AUDIO INTERFACE TIMING – SLAVE MODE..........................................................................12
CONTROL INTERFACE TIMING – I
2C MODE ..........................................................................13
CONTROL INTERFACE TIMING – SPI MODE .........................................................................14
POWER ON RESET CIRCUIT ..................................................................................................15
DEVICE DESCRIPTION................................................................................................... 17
INTRODUCTION .......................................................................................................................17
SOFTWARE CONTROL INTERFACE.......................................................................................17
DIGITAL AUDIO INTERFACE ...................................................................................................21
DIGITAL AUDIO INTERFACE CONTROL.................................................................................24
DIGITAL AUDIO DATA SAMPLING RATES..............................................................................26
DAC FEATURES.......................................................................................................................27
HARDWARE CONTROL INTERFACE ......................................................................................32
POWER DOMAINS ...................................................................................................................34
REGISTER MAP............................................................................................................... 35
REGISTER BITS BY ADDRESS ...............................................................................................36
DIGITAL FILTER CHARACTERISTICS ........................................................................... 40
DAC FILTER RESPONSES.......................................................................................................41
DIGITAL DE-EMPHASIS CHARACTERISTICS.........................................................................42
APPLICATIONS INFORMATION ..................................................................................... 43
RECOMMENDED EXTERNAL COMPONENTS – 20-LEAD TSSOP.........................................43
RECOMMENDED PCB LAYOUT – 20-LEAD TSSOP ...............................................................44
RECOMMENDED EXTERNAL COMPONENTS – 24-LEAD QFN .............................................45
RECOMMENDED PCB LAYOUT – 24-LEAD QFN....................................................................46
RECOMMENDED ANALOGUE LOW PASS FILTER ................................................................47
RELEVANT APPLICATION NOTES..........................................................................................47
PACKAGE DIMENSIONS – 20-LEAD TSSOP ................................................................ 48
PACKAGE DIMENSIONS – 24-LEAD QFN ..................................................................... 49
IMPORTANT NOTICE ...................................................................................................... 50
ADDRESS .................................................................................................................................50
REVISION HISTORY........................................................................................................ 51


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