ADAU1961WBCPZ-R7 datasheet(3/77 Pages) AD

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ADAU1961

Data Sheet

Rev. A | Page 2 of 76

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Analog Performance Specifications, TA = 25°C ....................... 3

Analog Performance Specifications, −40°C < TA < +105°C ... 5

Power Supply Specifications........................................................ 7

Digital Filters................................................................................. 8

Digital Input/Output Specifications........................................... 8

Digital Timing Specifications ..................................................... 9

Digital Timing Diagrams........................................................... 10

Absolute Maximum Ratings.......................................................... 12

Thermal Resistance .................................................................... 12

ESD Caution................................................................................ 12

Pin Configuration and Function Descriptions........................... 13

Typical Performance Characteristics ........................................... 15

System Block Diagrams ................................................................. 18

Theory of Operation ...................................................................... 21

Startup, Initialization, and Power................................................. 22

Power-Up Sequence ................................................................... 22

Power Reduction Modes............................................................ 22

Digital Power Supply.................................................................. 22

Input/Output Power Supply...................................................... 22

Clock Generation and Management........................................ 22

Clocking and Sampling Rates ....................................................... 24

Core Clock................................................................................... 24

Sampling Rates............................................................................ 24

PLL ............................................................................................... 25

Record Signal Path ......................................................................... 27

Input Signal Paths....................................................................... 27

Analog-to-Digital Converters................................................... 29

Automatic Level Control (ALC)................................................... 30

ALC Parameters.......................................................................... 30

Noise Gate Function .................................................................. 31

Playback Signal Path ...................................................................... 33

Output Signal Paths ................................................................... 33

Headphone Output .................................................................... 34

Pop-and-Click Suppression ...................................................... 35

Line Outputs ............................................................................... 35

Control Ports................................................................................... 36

Burst Mode Writing and Reading............................................ 36

I2C Port ........................................................................................ 36

SPI Port........................................................................................ 39

Serial Data Input/Output Ports .................................................... 40

Applications Information .............................................................. 42

Power Supply Bypass Capacitors.............................................. 42

GSM Noise Filter........................................................................ 42

Grounding................................................................................... 42

Exposed Pad PCB Design ......................................................... 42

Control Registers............................................................................ 43

Control Register Details ............................................................ 44

Outline Dimensions....................................................................... 75

Ordering Guide .......................................................................... 75

Automotive Products................................................................. 75

REVISION HISTORY

4/13—Rev. 0 to Rev. A

Added Maximum Junction Temperature of 125°C.................... 12

Updated Outline Dimensions....................................................... 75

10/10—Revision 0: Initial Version

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