WM8951L(2005) Просмотр технического описания (PDF) - Wolfson Microelectronics plc

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Компоненты Описание

производитель

WM8951L
(Rev.:2005)

Stereo ADC with Microphone Input and Clock Generator

Wolfson Microelectronics plc 

WM8951L

TABLE OF CONTENTS

Production Data

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

MASTER CLOCK TIMING......................................................................................9

DIGITAL AUDIO INTERFACE – MASTER MODE ....................................................... 10

DIGITAL AUDIO INTERFACE – SLAVE MODE .......................................................... 11

MPU INTERFACE TIMING .......................................................................................... 12

DEVICE DESCRIPTION.......................................................................................14

INTRODUCTION ......................................................................................................... 14

AUDIO SIGNAL PATH................................................................................................. 14

DEVICE OPERATION ................................................................................................. 20

AUDIO DATA SAMPLING RATES............................................................................... 25

ACTIVATING DSP AND DIGITAL AUDIO INTERFACE .............................................. 30

SOFTWARE CONTROL INTERFACE......................................................................... 30

POWER DOWN MODES ............................................................................................ 32

REGISTER MAP ......................................................................................................... 34

DIGITAL FILTER CHARACTERISTICS ...............................................................37

TERMINOLOGY .......................................................................................................... 37

ADC FILTER RESPONSES .................................................................................38

ADC HIGH PASS FILTER ........................................................................................... 39

APPLICATIONS INFORMATION .........................................................................40

RECOMMENDED EXTERNAL COMPONENTS .......................................................... 40

PACKAGE DIMENSIONS ....................................................................................41

IMPORTANT NOTICE ..........................................................................................42

ADDRESS: .................................................................................................................. 42

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PD Rev 4.0 May 2005

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