WM8727CGED 查看數據表（PDF） - Wolfson Microelectronics plc

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WM8727CGED

24-bit 192kHz Stereo DAC

Wolfson Microelectronics plc 

WM8727

TABLE OF CONTENTS

Production Data

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

DC ELECTRICAL CHARACTERISTICS .................................................................... 4

ELECTRICAL CHARACTERISTICS .......................................................................... 5

TERMINOLOGY ....................................................................................................................6

MASTER CLOCK TIMING .....................................................................................................6

DIGITAL AUDIO INTERFACE ...............................................................................................6

POWER ON RESET (POR)...................................................................................................7

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

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

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

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

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

AUDIO DATA SAMPLING RATES ......................................................................................11

DIGITAL FILTER CHARACTERISTICS ................................................................... 12

DAC FILTER RESPONSES ................................................................................................12

TYPICAL PERFORMANCE ...................................................................................... 13

APPLICATIONS INFORMATION ............................................................................. 14

RECOMMENDED EXTERNAL COMPONENTS .................................................................14

RECOMMENDED EXTERNAL COMPONENTS VALUES ..................................................14

RECOMMENDED ANALOGUE LOW PASS FILTER (OPTIONAL) ....................................15

PCB LAYOUT RECOMMENDATIONS................................................................................15

PACKAGE DRAWING .............................................................................................. 16

IMPORTANT NOTICE .............................................................................................. 17

ADDRESS: ..........................................................................................................................17

REVISION HISTORY ................................................................................................ 18

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PD, Rev 4.7, October 2011

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