WM8746 Wolfson Microelectronics plc, WM8746 Datasheet - Page 2

• Manufacturer Part Number: WM8746
• Description: 24-bit, 192khz 6-channel Dac With Volume Control
• Manufacturer: Wolfson Microelectronics plc

WM8746
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
AC ELECTRICAL CHARACTERISTICS ................................................................6
MASTER CLOCK TIMING......................................................................................8
DEVICE DESCRIPTION.......................................................................................10
REGISTER MAP...................................................................................................23
DIGITAL FILTER CHARACTERISTICS ...............................................................26
DAC FILTER RESPONSES .................................................................................26
APPLICATIONS INFORMATION .........................................................................28
DECOUPLING APPLICATIONS INFORMATION ................................................29
RECOMMENDED ANALOGUE LOW-PASS FILTER (OPTIONAL) ....................30
PACKAGE DIMENSIONS ....................................................................................31
IMPORTANT NOTICE ..........................................................................................32
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TERMINOLOGY ............................................................................................................ 7
DIGITAL AUDIO INTERFACE TIMING.......................................................................... 8
DIGITAL CONTROL INTERFACE ................................................................................. 9
INTRODUCTION ......................................................................................................... 10
AUDIO DATA SAMPLING RATES............................................................................... 10
DIGITAL AUDIO INTERFACE ..................................................................................... 11
MODES OF OPERATION ........................................................................................... 14
SOFTWARE CONTROL MODES................................................................................ 15
HARDWARE CONTROL MODES ............................................................................... 21
SOFTWARE CONTROL INTERFACE......................................................................... 22
DIGITAL DE-EMPHASIS CHARACTERISTICS........................................................... 27
RECOMMENDED EXTERNAL COMPONENTS .......................................................... 28
RECOMMENDED EXTERNAL COMPONENTS VALUES ........................................... 28
SUPPLY PINS DESCRIPTION.................................................................................... 29
DC ELECTRICAL CHARACTERISTICS ...................................................................... 29
DECOUPLING EXAMPLES......................................................................................... 29
ADDRESS: .................................................................................................................. 32
TABLE OF CONTENTS
PD, October 2008, Rev 4.2
Production Data
2