AD4682/AD4683

Data Sheet

Rev. 0 | Page 2 of 30

TABLE OF CONTENTS

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

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

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

Companion Parts.............................................................................. 1

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

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

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

Timing Specifications .................................................................. 5

Absolute Maximum Ratings ........................................................... 7

Thermal Resistance ...................................................................... 7

Electrostatic Discharge (ESD) Ratings...................................... 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions ............................ 8

Typical Performance Characteristics............................................. 9

Terminology.................................................................................... 13

Theory of Operation ...................................................................... 14

Circuit Information ................................................................... 14

Converter Operation.................................................................. 14

Analog Input Structure.............................................................. 14

ADC Transfer Function ............................................................ 15

Applications Information.............................................................. 16

Power Supply .............................................................................. 16

Modes of Operation ....................................................................... 18

Oversampling ............................................................................. 18

Resolution Boost ........................................................................ 18

Alert.............................................................................................. 19

Power Modes .............................................................................. 19

Internal and External Reference .............................................. 20

Software Reset............................................................................. 20

Diagnostic Self Test.................................................................... 20

Interface........................................................................................... 21

Reading Conversion Results..................................................... 21

Low Latency Readback.............................................................. 22

Reading from Device Registers ................................................ 23

Writing to Device Registers...................................................... 23

CRC.............................................................................................. 24

Registers........................................................................................... 26

Addressing Registers.................................................................. 26

CONFIGURATION1 Register................................................. 27

CONFIGURATION2 Register................................................. 28

ALERT Register.......................................................................... 28

ALERT_LOW_THRESHOLD Register.................................. 29

ALERT_HIGH_THRESHOLD Register ................................ 29

Outline Dimensions....................................................................... 30

Ordering Guide .......................................................................... 30

REVISION HISTORY

10/2020—Revision 0: Initial Version