Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

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

5 Pin Configuration and Functions...................................3

6 Specifications.................................................................. 6

6.1 Absolute Maximum Ratings ....................................... 6

6.2 ESD Ratings .............................................................. 6

6.3 Recommended Operating Conditions ........................6

6.4 Thermal Information ...................................................7

6.5 Power Ratings ............................................................7

6.6 Insulation Specifications ............................................ 9

6.7 Safety-Related Certifications ....................................11

6.8 Safety Limiting Values ..............................................11

6.9 Electrical Characteristics ..........................................12

6.10 Supply Current Characteristics .............................. 13

6.11 Timing Requirements ............................................. 14

6.12 I2C Switching Characteristics ................................ 15

6.13 GPIO Switching Characteristics .............................17

6.14 Insulation Characteristics Curves........................... 18

6.15 Typical Characteristics............................................ 19

7 Parameter Measurement Information.......................... 22

7.1 Parameter Measurement Information....................... 22

8 Detailed Description......................................................24

8.1 Overview................................................................... 24

8.2 Functional Block Diagrams....................................... 24

8.3 Isolation Technology Overview................................. 25

8.4 Feature Description...................................................25

8.5 Isolator Functional Principle......................................26

8.6 Device Functional Modes..........................................28

9 Application and Implementation.................................. 29

9.1 Application Information............................................. 29

9.2 Typical Application.................................................... 30

9.3 Insulation Lifetime .................................................... 32

10 Power Supply Recommendations..............................35

11 Layout........................................................................... 36

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

11.2 Layout Example...................................................... 36

12 Device and Documentation Support..........................37

12.1 Documentation Support.......................................... 37

12.2 Receiving Notification of Documentation Updates..37

12.3 Support Resources................................................. 37

12.4 Trademarks.............................................................37

12.5 Electrostatic Discharge Caution..............................37

12.6 Glossary..................................................................37

13 Mechanical, Packaging, and Orderable

Information.................................................................... 37

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision B (May 2021) to Revision C (June 2021)

Page

• Added ISO1644D to the datasheet.....................................................................................................................1

Changes from Revision A (December 2020) to Revision B (May 2021)

Page

• Added ISO1641B to the datasheet..................................................................................................................... 1

• Changed minimum input threshold low to 480 mV........................................................................................... 12

Changes from Revision * (February 2020) to Revision A (December 2020)

Page

• Updated device status to Production Data......................................................................................................... 1

ISO1640, ISO1641, ISO1644

SLLSFC2C – MAY 2021 – REVISED JUNE 2021

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