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WM8953ECS

Low Power Stereo ADC with PLL and TDM Interface

Wolfson Microelectronics plc 

WM8953

Production Data

TABLE OF CONTENTS

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

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

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

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

BLOCK DIAGRAM .................................................................................................3

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

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

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

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

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

THERMAL PERFORMANCE .................................................................................7

ELECTRICAL CHARACTERISTICS ......................................................................8

TERMINOLOGY........................................................................................................... 12

TYPICAL POWER CONSUMPTION ....................................................................13

PSRR PERFORMANCE.......................................................................................14

AUDIO SIGNAL PATHS.......................................................................................15

SIGNAL TIMING REQUIREMENTS .....................................................................16

SYSTEM CLOCK TIMING............................................................................................ 16

AUDIO INTERFACE TIMING – MASTER MODE ......................................................... 17

AUDIO INTERFACE TIMING – SLAVE MODE ............................................................ 18

AUDIO INTERFACE TIMING – TDM MODE ................................................................ 19

CONTROL INTERFACE TIMING – 2-WIRE MODE ..................................................... 20

CONTROL INTERFACE TIMING – 3-WIRE MODE ..................................................... 21

CONTROL INTERFACE TIMING – 4-WIRE MODE ..................................................... 22

INTERNAL POWER ON RESET CIRCUIT ..........................................................23

DEVICE DESCRIPTION.......................................................................................25

INTRODUCTION.......................................................................................................... 25

INPUT SIGNAL PATH.................................................................................................. 26

ANALOGUE TO DIGITAL CONVERTER (ADC) .......................................................... 36

DIGITAL AUDIO PATHS .............................................................................................. 39

THERMAL SENSING ................................................................................................... 40

GENERAL PURPOSE INPUT/OUTPUT ...................................................................... 41

DIGITAL AUDIO INTERFACE...................................................................................... 56

DIGITAL AUDIO INTERFACE CONTROL ................................................................... 63

CLOCKING AND SAMPLE RATES .............................................................................. 67

CONTROL INTERFACE .............................................................................................. 75

POWER MANAGEMENT ............................................................................................. 79

POWER DOMAINS...................................................................................................... 81

REGISTER MAP...................................................................................................82

REGISTER BITS BY ADDRESS .................................................................................. 84

DIGITAL FILTER CHARACTERISTICS ...............................................................97

ADC FILTER RESPONSES ......................................................................................... 97

ADC HIGH PASS FILTER RESPONSES ..................................................................... 97

APPLICATIONS INFORMATION .........................................................................98

RECOMMENDED EXTERNAL COMPONENTS........................................................... 98

PACKAGE DIMENSIONS ....................................................................................99

IMPORTANT NOTICE ........................................................................................100

ADDRESS:................................................................................................................. 100

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PD, January 2009, Rev 4.0

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