AD4001/AD4005

Data Sheet

Rev. B | Page 2 of 37

TABLE OF CONTENTS

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

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

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

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

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

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

Timing Specifications .................................................................. 7

Absolute Maximum Ratings............................................................ 9

Thermal Resistance ...................................................................... 9

ESD Caution.................................................................................. 9

Pin Configurations and Function Descriptions ......................... 10

Typical Performance Characteristics ........................................... 11

Terminology .................................................................................... 16

Theory of Operation ...................................................................... 17

Circuit Information.................................................................... 17

Converter Operation.................................................................. 18

Transfer Functions...................................................................... 18

Applications Information .............................................................. 19

Typical Application Diagrams .................................................. 19

Analog Inputs ............................................................................. 20

Driver Amplifier Choice ........................................................... 22

Ease of Drive Features ............................................................... 23

Voltage Reference Input ............................................................ 24

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

Digital Interface.......................................................................... 25

Register Read/Write Functionality........................................... 26

Status Word ................................................................................. 28

CS Mode, 3-Wire Turbo Mode................................................. 29

CS Mode, 3-Wire Without Busy Indicator ............................. 30

CS Mode, 3-Wire with Busy Indicator .................................... 31

CS Mode, 4-Wire Turbo Mode................................................. 32

CS Mode, 4-Wire Without Busy Indicator ............................. 33

CS Mode, 4-Wire with Busy Indicator .................................... 34

Daisy-Chain Mode..................................................................... 35

Layout Guidelines....................................................................... 36

Evaluating the AD4001/AD4005 Performance.......................... 36

Outline Dimensions....................................................................... 37

Ordering Guide .......................................................................... 37

REVISION HISTORY

8/2017—Rev. A to Rev. B

Changes to General Description Section ...................................... 1

Changes to Table 1............................................................................ 6

Changes to Endnote 3, Table 2........................................................ 7

Changes to Table 4............................................................................ 8

Change to Pin 3 Description and Pin 4 Description, Table 7... 10

Reorganized Typical Performance Characteristics Section ...... 13

Changes to Figure 17, Figure 19, and Figure 21 ......................... 13

Added Figure 23; Renumbered Sequentially .............................. 14

Changes to Figure 27...................................................................... 15

Changes to Circuit Information Section and Table 8 ................ 17

Changes to Endnote 1 and Endnote 2, Table 9........................... 18

Changes to Figure 37 Caption and RC Filter Values Section ... 21

Changes to High Frequency Input Signals Section, Figure 38

Caption, and Figure 39 Caption ................................................... 22

Added Multiplexed Applications Section and Figure 40........... 22

Changes to Figure 41 and Figure 42 Caption ............................. 23

Changes to Figure 43, Figure 44 Caption, Figure 45, and Voltage

Reference Input Section................................................................. 24

Changes to Power Supply Section, Figure 46, Figure 47, Digital

Interface Section, and Table 11..................................................... 25

Changes to CS Mode, 3-Wire Turbo Mode Section................... 29

Changes to CS Mode, 3-Wire with Busy Induction Section and

Figure 56 .......................................................................................... 31

Changes to CS Mode, 4-Wire Turbo Mode Section and

Figure 58 .......................................................................................... 32

Changes to CS Mode, 4-Wire with Busy Indicator Section and

Figure 62 .......................................................................................... 34

4/2017—Rev. 0 to Rev. A

Added AD4005 ...................................................................Universal

Changes to Title, Features Section, General Description Section,

and Figure 1........................................................................................1

Changes to Table 1.............................................................................3

Changes to Table 2.............................................................................6

Changes to Table 4.............................................................................7

Changes to Figure 19 Caption and Figure 21 ............................. 12

Changes to Figure 24...................................................................... 13

Added Figure 25; Renumbered Sequentially .............................. 13

Changes to Circuit Information Section and Table 8 ................ 16

Changes to RC Filter Values Section............................................ 20

Changes to High Frequency Input Signals Section.................... 21

Changes to High-Z Mode Section and Figure 41....................... 22

Changes to Long Acquisition Phase Section .............................. 23

Changes to Digital Interface Section and Register Read/Write

Functionality Section ..................................................................... 24

Changes to CS Mode, 3-Wire Turbo Mode Section .................. 27

Changes to CS Mode, 4-Wire Turbo Mode Section .................. 30