ADGS1408/ADGS1409

Data Sheet

Rev. 0 | Page 2 of 34

TABLE OF CONTENTS

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

 

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

 

Functional Block Diagrams............................................................. 1

 

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

 

Product Highlights ........................................................................... 1

 

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

 

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

 

±15 V Dual Supply ....................................................................... 3

 

±5 V Dual Supply ......................................................................... 5

 

12 V Single Supply........................................................................ 7

 

Continuous Current per Channel, Sx or Dx............................. 9

 

Timing Characteristics .............................................................. 10

 

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

 

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

 

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

 

Pin Configurations and Function Descriptions ......................... 13

 

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

 

Test Circuits..................................................................................... 19

 

Terminology .................................................................................... 22

 

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

 

Address Mode ............................................................................. 23

 

Error Detection Features ........................................................... 23

 

Clearing the Error Flags Register ............................................. 24

 

Burst Mode .................................................................................. 24

 

Software Reset............................................................................. 24

 

Daisy-Chain Mode ..................................................................... 24

 

Power-On Reset.......................................................................... 25

 

Round Robin Mode.................................................................... 26

 

General-Purpose Outputs (GPOs) .......................................... 27

 

Applications Information .............................................................. 28

 

Digital Input Buffers .................................................................. 28

 

Power Supply Rails ..................................................................... 28

 

Power Supply Recommendations............................................. 28

 

Power Supply Sequencing ......................................................... 28

 

Register Summaries........................................................................ 29

 

Register Details ............................................................................... 30

 

Switch Data Register .................................................................. 30

 

Error Configuration Register.................................................... 31

 

Error Flags Register.................................................................... 31

 

Burst Enable Register................................................................. 32

 

Round Robin Enable Register................................................... 32

 

Round Robin Channel Configuration Register ..................... 32

 

CNV Edge Select Register ......................................................... 33

 

Software Reset Register ............................................................. 33

 

Outline Dimensions ....................................................................... 34

 

Ordering Guide .......................................................................... 34

 

REVISION HISTORY

6/2018—Revision 0: Initial Version