WM8523GEDT WOLFSON [Wolfson Microelectronics plc], WM8523GEDT Datasheet - Page 3

• Manufacturer Part Number: WM8523GEDT
• Description: 24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

Production Data
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
SIGNAL TIMING REQUIREMENTS ................................................................................. 11
DEVICE DESCRIPTION ................................................................................................... 17
REGISTER MAP ............................................................................................................... 35
DIGITAL FILTER CHARACTERISTICS ........................................................................... 40
APPLICATIONS INFORMATION ..................................................................................... 43
PACKAGE DIMENSIONS – 20-LEAD TSSOP ................................................................ 48
PACKAGE DIMENSIONS – 24-LEAD QFN ..................................................................... 49
IMPORTANT NOTICE ...................................................................................................... 50
REVISION HISTORY ........................................................................................................ 51
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TERMINOLOGY .......................................................................................................................... 9
POWER CONSUMPTION MEASUREMENTS .......................................................................... 10
SYSTEM CLOCK TIMING ......................................................................................................... 11
AUDIO INTERFACE TIMING – MASTER MODE ...................................................................... 11
AUDIO INTERFACE TIMING – SLAVE MODE .......................................................................... 12
CONTROL INTERFACE TIMING – I
CONTROL INTERFACE TIMING – SPI MODE ......................................................................... 14
POWER ON RESET CIRCUIT .................................................................................................. 15
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 BITS BY ADDRESS ............................................................................................... 36
DAC FILTER RESPONSES ....................................................................................................... 41
DIGITAL DE-EMPHASIS CHARACTERISTICS ......................................................................... 42
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
ADDRESS ................................................................................................................................. 50
TABLE OF CONTENTS
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C MODE .......................................................................... 13
PD, Rev 4.1, August 2011
WM8523
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