WM8990ECS/RV Wolfson Microelectronics, WM8990ECS/RV Datasheet - Page 2

• Manufacturer Part Number: WM8990ECS/RV
• Description: Audio CODECs Stereo CODEC w.Class AB/D speaker driver
• Manufacturer: Wolfson Microelectronics

Specifications of WM8990ECS/RV

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8990
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DESCRIPTION ....................................................................................................... 1
FEATURES............................................................................................................. 1
APPLICATIONS ..................................................................................................... 1
TABLE OF CONTENTS ......................................................................................... 2
BLOCK DIAGRAM ................................................................................................. 4
PIN CONFIGURATION ........................................................................................... 5
ORDERING INFORMATION .................................................................................. 5
PIN DESCRIPTION ................................................................................................ 6
ABSOLUTE MAXIMUM RATINGS ......................................................................... 8
RECOMMENDED OPERATING CONDITIONS ..................................................... 8
THERMAL PERFORMANCE ................................................................................. 9
SPEAKER POWER DE-RATING CURVE ............................................................ 10
ELECTRICAL CHARACTERISTICS .................................................................... 12
TERMINOLOGY ................................................................................................... 23
TYPICAL POWER CONSUMPTION .................................................................... 24
SPEAKER DRIVER PERFORMANCE ................................................................. 25
HEADPHONE DRIVER PERFORMANCE ............................................................ 25
PSRR PERFORMANCE ....................................................................................... 26
AUDIO SIGNAL PATHS ....................................................................................... 28
SIGNAL TIMING REQUIREMENTS ..................................................................... 29
INTERNAL POWER ON RESET CIRCUIT .......................................................... 36
DEVICE DESCRIPTION ....................................................................................... 38
REGISTER MAP ................................................................................................. 139
SYSTEM CLOCK TIMING ............................................................................................ 29
AUDIO INTERFACE TIMING – MASTER MODE ......................................................... 30
AUDIO INTERFACE TIMING – SLAVE MODE ............................................................ 31
AUDIO INTERFACE TIMING – TDM MODE ................................................................ 32
CONTROL INTERFACE TIMING – 2-WIRE MODE ..................................................... 33
CONTROL INTERFACE TIMING – 3-WIRE MODE ..................................................... 34
CONTROL INTERFACE TIMING – 4-WIRE MODE ..................................................... 35
INTRODUCTION .......................................................................................................... 38
INPUT SIGNAL PATH .................................................................................................. 39
ANALOGUE TO DIGITAL CONVERTER (ADC) .......................................................... 54
DIGITAL MIXING ......................................................................................................... 58
DIGITAL TO ANALOGUE CONVERTER (DAC) .......................................................... 62
OUTPUT SIGNAL PATH .............................................................................................. 66
ANALOGUE OUTPUTS ............................................................................................... 77
THERMAL SHUTDOWN .............................................................................................. 82
GENERAL PURPOSE INPUT/OUTPUT ...................................................................... 83
DIGITAL AUDIO INTERFACE .................................................................................... 100
DIGITAL AUDIO INTERFACE CONTROL ................................................................. 112
CLOCKING AND SAMPLE RATES ............................................................................ 118
CONTROL INTERFACE ............................................................................................ 126
POWER MANAGEMENT ........................................................................................... 130
POP SUPPRESSION CONTROL............................................................................... 133
POWER DOMAINS .................................................................................................... 138
REGISTER BITS BY ADDRESS ................................................................................ 141
TABLE OF CONTENTS
PD, March 2009, Rev 4.0
Production Data
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