WM8750L 查看數據表（PDF） - Wolfson Microelectronics plc

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WM8750L

Stereo CODEC for Portable Audio Applications

Wolfson Microelectronics plc 

WM8750L

TABLE OF CONTENTS

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

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

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

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

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

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

PIN DESCRIPTION ...............................................................................................4

ABSOLUTE MAXIMUM RATINGS........................................................................5

RECOMMENDED OPERATION CONDITIONS ....................................................5

ELECTRICAL CHARACTERISTICS .....................................................................6

HEADPHONE / SPEAKER OUTPUT THD VERSUS POWER......................................8

POWER CONSUMPTION ...................................................................................11

SIGNAL TIMING REQUIREMENTS....................................................................12

SYSTEM CLOCK TIMING ..........................................................................................12

AUDIO INTERFACE TIMING – MASTER MODE........................................................12

AUDIO INTERFACE TIMING – SLAVE MODE ...........................................................13

DEVICE DESCRIPTION......................................................................................16

INTRODUCTION ........................................................................................................16

INPUT SIGNAL PATH ................................................................................................16

AUTOMATIC LEVEL CONTROL (ALC) ......................................................................22

3D STEREO ENHANCEMENT ...................................................................................25

OUTPUT SIGNAL PATH.............................................................................................26

ANALOGUE OUTPUTS ..............................................................................................31

ENABLING THE OUTPUTS........................................................................................33

HEADPHONE SWITCH ..............................................................................................33

THERMAL SHUTDOWN.............................................................................................35

HEADPHONE OUTPUT..............................................................................................35

DIGITAL AUDIO INTERFACE ....................................................................................36

PP Rev 1.77 May 2003

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