ADAQ4224BBCZ datasheet(2/67 Pages) AD

2 / 67 page

Data Sheet

ADAQ4224

TABLE OF CONTENTS

analog.com

Rev. 0 | 2 of 67

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

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

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

General Description...............................................3

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

Timing Specifications......................................... 8

Absolute Maximum Ratings.................................13

Thermal Resistance......................................... 13

Electrostatic Discharge (ESD) Ratings.............13

ESD Caution.....................................................13

Pin Configurations and Function Descriptions.....14

Typical Performance Characteristics................... 16

Terminology......................................................... 28

Theory of Operation.............................................29

Overview.......................................................... 29

Transfer Function............................................. 29

Signal Chain Operation.................................... 30

Digital Sample Processing Features................ 30

Temperature Sensor Operation........................ 31

Applications Information...................................... 35

Typical Application Diagram............................. 35

Reference Circuitry Design.............................. 40

ADC Reset....................................................... 41

Power Supplies................................................ 41

Serial Interface.................................................... 43

SPI Signals.......................................................43

Sample Conversion Timing and Data

Transfer.......................................................... 45

Clocking Modes ...............................................46

Data Clocking Requirements and Timing.........49

Layout Guidelines................................................54

Registers............................................................. 55

Interface Configuration A Register................... 56

Interface Configuration B Register................... 56

Device Configuration Register..........................57

Chip Type Register...........................................57

Product ID Low Register.................................. 57

Product ID High Register..................................57

Chip Grade Register.........................................58

Scratch Pad Register....................................... 58

SPI Revision Register...................................... 58

Vendor ID Low Register................................... 59

Vendor ID High Register...................................59

Stream Mode Register..................................... 59

Interface Status A Register.............................. 59

EXIT Configuration Mode Register...................60

Averaging Mode Register.................................60

Offset Registers................................................60

Gain Registers..................................................61

Modes Register................................................ 62

Internal Oscillator Register............................... 62

Output Driver Register......................................63

Test Pattern Registers...................................... 63

Digital Diagnostics Register............................. 64

Digital Errors Register...................................... 64

Temperature Sensor Registers............................65

Temperature Sensor Register Details..................66

Configuration and Status Register................... 66

Outline Dimensions............................................. 67

Ordering Guide.................................................67

Evaluation Boards............................................ 67

REVISION HISTORY

9/2024—Revision 0: Initial Version

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