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WM8960 Datasheet(PDF) 2 Page - Wolfson Microelectronics plc

Part No. WM8960
Description  Stereo CODEC with 1W Stereo Class D Speaker Drivers and Headphone Drivers for Portable Audio Applications
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Maker  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8960 Datasheet(HTML) 2 Page - Wolfson Microelectronics plc

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WM8960
Preliminary Technical Data
w
PTD, September 2006, Rev 2.0
2
TABLE OF CONTENTS
DESCRIPTION .......................................................................................................1
FEATURES.............................................................................................................1
APPLICATIONS .....................................................................................................1
TABLE OF CONTENTS .........................................................................................2
PIN CONFIGURATION...........................................................................................3
ORDERING INFORMATION ..................................................................................3
PIN DESCRIPTION ................................................................................................4
ABSOLUTE MAXIMUM RATINGS .........................................................................5
RECOMMENDED OPERATING CONDITIONS .....................................................5
ELECTRICAL CHARACTERISTICS ......................................................................6
OUTPUT PGA GAIN.............................................................................................10
TYPICAL POWER CONSUMPTION ....................................................................11
SIGNAL TIMING REQUIREMENTS .....................................................................12
SYSTEM CLOCK TIMING............................................................................................ 12
AUDIO INTERFACE TIMING – MASTER MODE ......................................................... 12
AUDIO INTERFACE TIMING – SLAVE MODE ............................................................ 13
CONTROL INTERFACE TIMING – 2-WIRE MODE ..................................................... 14
INTERNAL POWER ON RESET CIRCUIT ..........................................................15
DEVICE DESCRIPTION .......................................................................................17
INTRODUCTION.......................................................................................................... 17
INPUT SIGNAL PATH.................................................................................................. 18
ANALOGUE TO DIGITAL CONVERTER (ADC) .......................................................... 25
AUTOMATIC LEVEL CONTROL (ALC) ....................................................................... 27
OUTPUT SIGNAL PATH.............................................................................................. 30
ANALOGUE OUTPUTS ............................................................................................... 36
ENABLING THE OUTPUTS ......................................................................................... 40
HEADPHONE OUTPUT ............................................................................................... 40
CLASS D SPEAKER OUTPUTS .................................................................................. 41
VOLUME UPDATES .................................................................................................... 42
HEADPHONE JACK DETECT ..................................................................................... 44
THERMAL SHUTDOWN .............................................................................................. 45
GENERAL PURPOSE INPUT/OUTPUT ...................................................................... 46
DIGITAL AUDIO INTERFACE...................................................................................... 47
AUDIO INTERFACE CONTROL .................................................................................. 51
CLOCKING AND SAMPLE RATES .............................................................................. 55
CONTROL INTERFACE .............................................................................................. 62
POWER MANAGEMENT ............................................................................................. 62
REGISTER MAP...................................................................................................66
REGISTER BITS BY ADDRESS .................................................................................. 67
DIGITAL FILTER CHARACTERISTICS ...............................................................81
ADC FILTER RESPONSES ......................................................................................... 81
DAC FILTER RESPONSES ......................................................................................... 82
DE-EMPHASIS FILTER RESPONSES ........................................................................ 83
APPLICATIONS INFORMATION .........................................................................84
RECOMMENDED EXTERNAL COMPONENTS........................................................... 84
IMPORTANT NOTICE ..........................................................................................88
ADDRESS:................................................................................................................... 88


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