WM8711BL Wolfson Microelectronics, WM8711BL Datasheet - Page 2

• Manufacturer Part Number: WM8711BL
• Description: Ultra-Small Audio DAC
• Manufacturer: Wolfson Microelectronics

WM8711BL
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DESCRIPTION .......................................................................................................1
FEATURES ............................................................................................................1
APPLICATIONS .....................................................................................................1
BLOCK DIAGRAM .................................................................................................1
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
PIN DESCRIPTION ................................................................................................4
ABSOLUTE MAXIMUM RATINGS.........................................................................5
RECOMMENDED OPERATING CONDITIONS .....................................................5
ELECTRICAL CHARACTERISTICS ......................................................................6
TERMINOLOGY .....................................................................................................7
POWER CONSUMPTION ......................................................................................8
HEADPHONE SNR VS AVDD ...............................................................................9
ANALOGUE SUPPLY CURRENT VS AVDD.........................................................9
DEVICE DESCRIPTION .......................................................................................13
DAC FILTER RESPONSES .................................................................................38
DIGITAL DE-EMPHASIS CHARACTERISTICS ..................................................40
RECOMMENDED EXTERNAL COMPONENTS ..................................................41
PACKAGE DIMENSIONS – QFN.........................................................................42
IMPORTANT NOTICE ..........................................................................................43
DIGITAL AUDIO INTERFACE – MASTER MODE........................................................ 10
DIGITAL AUDIO INTERFACE – SLAVE MODE ........................................................... 11
MPU INTERFACE TIMING........................................................................................... 11
INTRODUCTION.......................................................................................................... 13
AUDIO SIGNAL PATH ................................................................................................. 14
DEVICE OPERATION.................................................................................................. 19
AUDIO DATA SAMPLING RATES ............................................................................... 27
ACTIVATING DSP AND DIGITAL AUDIO INTERFACE ............................................... 30
SOFTWARE CONTROL INTERFACE.......................................................................... 30
POWER DOWN MODES ............................................................................................. 32
REGISTER MAP .......................................................................................................... 34
ADDRESS:................................................................................................................... 43
TABLE OF CONTENTS
PD, Rev 4.1, April 2007
Production Data
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