WM8768 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'WM8768' PDF : 38 Pages View PDF
WM8768
TABLE OF CONTENTS
Production Data
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
MASTER CLOCK TIMING .......................................................................................................8
DIGITAL AUDIO INTERFACE – MASTER MODE ...................................................................8
DIGITAL AUDIO INTERFACE – SLAVE MODE ......................................................................9
MPU INTERFACE TIMING ....................................................................................................11
INTERNAL POWER ON RESET CIRCUIT ...................................................................12
DEVICE DESCRIPTION ................................................................................................13
INTRODUCTION ...................................................................................................................13
PCM AUDIO DATA SAMPLING RATES................................................................................13
HARDWARE CONTROL MODES .........................................................................................14
DIGITAL AUDIO INTERFACE ...............................................................................................16
POWERDOWN MODES .......................................................................................................19
SOFTWARE CONTROL INTERFACE OPERATION.............................................................20
CONTROL INTERFACE REGISTERS ..................................................................................20
REGISTER MAP............................................................................................................32
DIGITAL FILTER CHARACTERISTICS ........................................................................33
DAC FILTER RESPONSES ..........................................................................................33
DIGITAL DE-EMPHASIS CHARACTERISTICS.....................................................................34
APPLICATIONS INFORMATION ..................................................................................35
RECOMMENDED EXTERNAL COMPONENTS ....................................................................35
RECOMMENDED EXTERNAL COMPONENTS VALUES .....................................................35
SUGGESTED ANALOGUE LOW PASS POST DAC FILTERS .............................................36
PACKAGE DRAWING...................................................................................................37
IMPORTANT NOTICE ...................................................................................................38
ADDRESS: ............................................................................................................................38
w
PD Rev 4.3 July 2010
2
Share Link: 
