ADAU1361BCPZ-R7 datasheet(3/81 Pages) AD

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ADAU1361

Rev. C | Page 2 of 80

TABLE OF CONTENTS

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

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

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

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

Revision History ............................................................................... 3

Specifications..................................................................................... 4

Analog Performance Specifications ........................................... 4

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

Typical Current Consumption.................................................... 8

Typical Power Management Measurements ............................. 9

Digital Filters............................................................................... 10

Digital Input/Output Specifications......................................... 10

Digital Timing Specifications ................................................... 11

Digital Timing Diagrams........................................................... 12

Absolute Maximum Ratings.......................................................... 14

Thermal Resistance .................................................................... 14

ESD Caution................................................................................ 14

Pin Configuration and Function Descriptions........................... 15

Typical Performance Characteristics ........................................... 17

System Block Diagrams ................................................................. 20

Theory of Operation ...................................................................... 23

Startup, Initialization, and Power ................................................. 24

Power-Up Sequence ................................................................... 24

Power Reduction Modes............................................................ 24

Digital Power Supply.................................................................. 24

Input/Output Power Supply...................................................... 24

Clock Generation and Management........................................ 24

Clocking and Sampling Rates ....................................................... 26

Core Clock................................................................................... 26

Sampling Rates............................................................................ 26

PLL ............................................................................................... 27

Record Signal Path ......................................................................... 29

Input Signal Paths....................................................................... 29

Analog-to-Digital Converters................................................... 31

Automatic Level Control (ALC)................................................... 32

ALC Parameters.......................................................................... 32

Noise Gate Function .................................................................. 33

Playback Signal Path ...................................................................... 35

Output Signal Paths ................................................................... 35

Headphone Output .................................................................... 36

Pop-and-Click Suppression ...................................................... 37

Line Outputs ............................................................................... 37

Control Ports................................................................................... 38

Burst Mode Writing and Reading ............................................ 38

I2C Port ........................................................................................ 38

SPI Port ........................................................................................ 41

Serial Data Input/Output Ports .................................................... 42

Applications Information .............................................................. 44

Power Supply Bypass Capacitors.............................................. 44

GSM Noise Filter ........................................................................ 44

Grounding ................................................................................... 44

Exposed Pad PCB Design ......................................................... 44

Control Registers ............................................................................ 45

Control Register Details ............................................................ 46

Outline Dimensions ....................................................................... 79

Ordering Guide .......................................................................... 79

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