WM8501(2006) Ver la hoja de datos (PDF) - Wolfson Microelectronics plc

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WM8501
(Rev.:2006)

24-bit 192kHz Stereo DAC with 1.7Vrms Line Driver

Wolfson Microelectronics plc 

WM8501

TABLE OF CONTENTS

Pre-Production

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

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

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

MASTER CLOCK TIMING .................................................................................................. 8

DIGITAL AUDIO INTERFACE ............................................................................................ 8

DEVICE DESCRIPTION..............................................................................................9

GENERAL INTRODUCTION .............................................................................................. 9

DAC CIRCUIT DESCRIPTION ........................................................................................... 9

CLOCKING SCHEMES .....................................................................................................10

DIGITAL AUDIO INTERFACE ...........................................................................................10

AUDIO DATA SAMPLING RATES.....................................................................................12

HARDWARE CONTROL MODES .....................................................................................13

DIGITAL FILTER CHARACTERISTICS.............................................................................14

DAC FILTER RESPONSES...............................................................................................14

DIGITAL DE-EMPHASIS CHARACTERISTICS ........................................................15

APPLICATIONS INFORMATION ..............................................................................16

RECOMMENDED EXTERNAL COMPONENTS .......................................................16

POWER UP/DOWN SEQUENCE......................................................................................17

RECOMMENDED ANALOGUE LOW PASS FILTER ........................................................17

PCB LAYOUT RECOMMENDATIONS ..............................................................................18

PACKAGE DRAWING...............................................................................................19

IMPORTANT NOTICE ...............................................................................................20

ADDRESS: ........................................................................................................................20

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PP Rev 3.1 May 2006

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