WM8521 datasheet(2/21 Pages) CIRRUS

2 / 21 page

WM8521

Production Data

PD, Rev 4.2, February 2013

TABLE OF CONTENTS

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

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

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

TERMINOLOGY............................................................................................................... 7

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 ......................................................................... 15

DAC FILTER RESPONSES ........................................................................................... 15

DIGITAL DE-EMPHASIS CHARACTERISTICS............................................................. 16

APPLICATIONS INFORMATION ........................................................................ 17

RECOMMENDED EXTERNAL COMPONENTS............................................................ 17

RECOMMENDED EXTERNAL COMPONENTS VALUES............................................. 17

RECOMMENDED ANALOGUE LOW PASS FILTER .................................................... 18

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

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

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

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

REVISION HISTORY ........................................................................................... 21

WM8521 데이터시트(PDF) 2 Page - Cirrus Logic