WM8761 Production Data
w
PD, Rev 4.6, October 2011
2
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 ON RESET (POR) ................................................................................................... 9
DEVICE DESCRIPTION ........................................................................................... 11
GENERAL INTRODUCTION ............................................................................................... 11
DAC CIRCUIT DESCRIPTION ............................................................................................ 11
CLOCKING SCHEMES ....................................................................................................... 12
DIGITAL AUDIO INTERFACE ............................................................................................. 12
AUDIO DATA SAMPLING RATES ...................................................................................... 14
HARDWARE CONTROL MODES ....................................................................................... 15
DIGITAL FILTER CHARACTERISTICS .............................................................................. 17
DAC FILTER RESPONSES ................................................................................................ 17
DIGITAL DE-EMPHASIS CHARACTERISTICS ....................................................... 18
APPLICATIONS INFORMATION ............................................................................. 19
RECOMMENDED EXTERNAL COMPONENTS ................................................................. 19
RECOMMENDED EXTERNAL COMPONENTS VALUES .................................................. 19
RECOMMENDED ANALOGUE LOW PASS FILTER .......................................................... 20
PCB LAYOUT RECOMMENDATIONS ................................................................................ 20
PACKAGE DRAWING .............................................................................................. 21
IMPORTANT NOTICE .............................................................................................. 22
ADDRESS: .......................................................................................................................... 22
REVISION HISTORY ................................................................................................ 23
