WM9082 WOLFSON [Wolfson Microelectronics plc], WM9082 Datasheet - Page 2

• Manufacturer Part Number: WM9082
• Description: PDM Input Mono 3W Class D Speaker Driver
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

WM9082
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DESCRIPTION ....................................................................................................... 1
FEATURES ............................................................................................................ 1
APPLICATIONS ..................................................................................................... 1
BLOCK DIAGRAM ................................................................................................ 1
TABLE OF CONTENTS ......................................................................................... 2
PIN CONFIGURATION .......................................................................................... 3
ORDERING INFORMATION .................................................................................. 3
PIN DESCRIPTION ................................................................................................ 3
ABSOLUTE MAXIMUM RATINGS ........................................................................ 4
RECOMMENDED OPERATING CONDITIONS ..................................................... 4
ELECTRICAL CHARACTERISTICS ..................................................................... 5
TYPICAL PERFORMANCE ................................................................................... 7
SIGNAL TIMING REQUIREMENTS ...................................................................... 8
DEVICE DESCRIPTION ........................................................................................ 9
APPLICATIONS INFORMATION ........................................................................ 17
PACKAGE DIMENSIONS .................................................................................... 21
IMPORTANT NOTICE ......................................................................................... 23
REVISION HISTORY ........................................................................................... 24
TERMINOLOGY ............................................................................................................... 6
PDM AUDIO INTERFACE TIMING .................................................................................. 8
INTRODUCTION .............................................................................................................. 9
PDM AUDIO INTERFACE ................................................................................................ 9
DEVICE CONTROL CODES .......................................................................................... 10
SPEAKER DRIVER ........................................................................................................ 16
RESETS AND SHUTDOWN .......................................................................................... 16
RECOMMENDED EXTERNAL COMPONENTS ............................................................ 17
PCB LAYOUT CONSIDERATIONS ............................................................................... 20
PACKAGE DIAGRAM FOR DEVICES MARKED LT9 ................................................... 21
PACKAGE DIAGRAM FOR DEVICES MARKED JC5 ................................................... 22
ADDRESS: ..................................................................................................................... 23
INITIAL POWER-UP .................................................................................................................................. 12
CONFIGURATION EVENTS ..................................................................................................................... 12
START-UP EVENTS ................................................................................................................................. 13
STANDBY EVENTS .................................................................................................................................. 14
SHUTDOWN EVENTS .............................................................................................................................. 14
STATE TRANSITION DIAGRAM ............................................................................................................... 15
TABLE OF CONTENTS
PD, August 2012, Rev 4.1
Production Data
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