WM8522 Wolfson Microelectronics plc, WM8522 Datasheet - Page 2

• Manufacturer Part Number: WM8522
• Description: 24-bit, 192khz 6-channel Dac With 1.7vrms Line Driver
• Manufacturer: Wolfson Microelectronics plc

WM8522
DESCRIPTION ....................................................................................................... 1
FEATURES............................................................................................................. 1
APPLICATIONS ..................................................................................................... 1
BLOCK DIAGRAM ................................................................................................. 1
TABLE OF CONTENTS ......................................................................................... 2
PIN CONFIGURATION 28 LEAD SSOP ............................................................... 3
ORDERING INFORMATION .................................................................................. 3
PIN DESCRIPTION – 28 LEAD SSOP ................................................................... 4
ABSOLUTE MAXIMUM RATINGS ......................................................................... 5
RECOMMENDED OPERATING CONDITIONS ..................................................... 6
ELECTRICAL CHARACTERISTICS ...................................................................... 6
INTERNAL POWER ON RESET CIRCUIT .......................................................... 11
DEVICE DESCRIPTION ....................................................................................... 12
REGISTER MAP ................................................................................................... 30
REGISTER MAP DESCRIPTION ......................................................................... 31
DIGITAL FILTER CHARACTERISTICS ............................................................... 34
DAC FILTER RESPONSES ................................................................................. 34
APPLICATIONS INFORMATION ......................................................................... 36
PACKAGE DIMENSIONS .................................................................................... 38
IMPORTANT NOTICE .......................................................................................... 39
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TERMINOLOGY ............................................................................................................ 7
MASTER CLOCK TIMING ............................................................................................. 7
DIGITAL AUDIO INTERFACE – MASTER MODE ......................................................... 8
DIGITAL AUDIO INTERFACE – SLAVE MODE ............................................................ 9
MPU INTERFACE TIMING .......................................................................................... 10
INTRODUCTION ......................................................................................................... 12
AUDIO DATA SAMPLING RATES............................................................................... 12
HARDWARE CONTROL MODES ............................................................................... 13
DIGITAL AUDIO INTERFACE ..................................................................................... 15
POWERDOWN MODES ............................................................................................. 18
SOFTWARE CONTROL INTERFACE OPERATION ................................................... 19
CONTROL INTERFACE REGISTERS ........................................................................ 19
DIGITAL DE-EMPHASIS CHARACTERISTICS ........................................................... 35
RECOMMENDED EXTERNAL COMPONENTS .......................................................... 36
SUGGESTED ANALOGUE LOW PASS POST DAC FILTERS ................................... 37
ADDRESS: .................................................................................................................. 39
TABLE OF CONTENTS
PD, Rev 4.1, July 2009
Production Data
2