WM8761
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 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
PD, Rev 4.6, October 2011
w
2
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
