WM8737L
Production Data
TABLE OF CONTENTS
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
RECOMMENDED OPERATING CONDITIONS..................................................... 5
ELECTRICAL CHARACTERISTICS ..................................................................... 6
TERMINOLOGY............................................................................................................... 8
POWER CONSUMPTION...................................................................................... 9
SIGNAL TIMING REQUIREMENTS .................................................................... 11
DEVICE DESCRIPTION ...................................................................................... 14
INTRODUCTION............................................................................................................ 14
INPUT SIGNAL PATH.................................................................................................... 14
ANALOGUE TO DIGITAL CONVERTER (ADC)............................................................ 19
3D STEREO ENHANCEMENT ...................................................................................... 20
AUTOMATIC LEVEL CONTROL (ALC) ......................................................................... 21
DIGITAL AUDIO INTERFACE........................................................................................ 24
MASTER CLOCK AND AUDIO SAMPLE RATES.......................................................... 28
CONTROL INTERFACE................................................................................................. 30
POWER SUPPLIES ....................................................................................................... 31
POWER MANAGEMENT ............................................................................................... 31
REGISTER MAP.................................................................................................. 32
DIGITAL FILTER CHARACTERISTICS .............................................................. 33
TERMINOLOGY............................................................................................................. 33
DIGITAL FILTER RESPONSES..................................................................................... 34
APPLICATIONS INFORMATION ........................................................................ 36
LINE INPUT CONFIGURATION..................................................................................... 36
MICROPHONE INPUT CONFIGURATION.................................................................... 36
RECOMMENDED EXTERNAL COMPONENTS.................................................. 37
PACKAGE DIMENSIONS.................................................................................... 38
IMPORTANT NOTICE ......................................................................................... 39
ADDRESS:.....................................................................................................................39
REVISION HISTORY ........................................................................................... 40
PD, Rev 4.4, January 2012
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
