WM9714LGEFLSLASHV datasheet(2/94 Pages) WOLFSON

2 / 94 page

WM9714L

Pre-Production

PP Rev 3.0 June 2006

TABLE OF CONTENTS

DESCRIPTION .......................................................................................................1

FEATURES.............................................................................................................1

APPLICATIONS .....................................................................................................1

BLOCK DIAGRAM .................................................................................................1

TABLE OF CONTENTS .........................................................................................2

PIN CONFIGURATION...........................................................................................4

ORDERING INFORMATION ..................................................................................4

PIN DESCRIPTION ................................................................................................5

ABSOLUTE MAXIMUM RATINGS .........................................................................6

RECOMMENDED OPERATING CONDITIONS .....................................................6

ELECTRICAL CHARACTERISTICS ......................................................................7

AUDIO OUTPUTS.......................................................................................................... 7

AUDIO INPUTS.............................................................................................................. 8

AUXILIARY MONO DAC (AUXDAC).............................................................................. 8

PCM VOICE DAC (VXDAC) ........................................................................................... 8

AUXILIARY ADC............................................................................................................ 9

COMPARATORS ........................................................................................................... 9

REFERENCE VOLTAGES ............................................................................................. 9

DIGITAL INTERFACE CHARACTERISTICS................................................................ 10

POWER CONSUMPTION ....................................................................................10

DEVICE DESCRIPTION .......................................................................................11

INTRODUCTION.......................................................................................................... 11

AUDIO PATHS OVERVIEW......................................................................................... 12

CLOCK GENERATION ................................................................................................ 13

CLOCK DIVISION MODES .......................................................................................... 13

PLL MODE ................................................................................................................... 16

DIGITAL INTERFACES................................................................................................ 18

AC97 INTERFACE ....................................................................................................... 18

PCM INTERFACE ........................................................................................................ 19

AUDIO ADCS .......................................................................................................24

STEREO ADC.............................................................................................................. 24

RECORD SELECTOR ................................................................................................. 25

RECORD GAIN............................................................................................................ 26

AUTOMATIC LEVEL CONTROL.................................................................................. 27

AUDIO DACS .......................................................................................................30

STEREO DAC.............................................................................................................. 30

VOICE DAC ................................................................................................................. 33

AUXILIARY DAC.......................................................................................................... 34

VARIABLE RATE AUDIO / SAMPLE RATE CONVERSION ...............................35

AUDIO INPUTS ....................................................................................................36

LINE INPUT ................................................................................................................. 36

MICROPHONE INPUT................................................................................................. 36

MONOIN INPUT........................................................................................................... 40

PCBEEP INPUT ........................................................................................................... 41

DIFFERENTIAL MONO INPUT .................................................................................... 42

AUDIO MIXERS....................................................................................................43

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