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ISO7740, ISO7741, ISO7742

SLLSEP4D – MARCH 2016 – REVISED MAY 2017

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Product Folder Links: ISO7740 ISO7741 ISO7742

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Copyright © 2016–2017, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

Description ............................................................. 1

4

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

5

Pin Configuration and Functions ......................... 4

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 Rating............................................................. 7

6.6

Insulation Specifications .......................................... 8

6.7

Safety-Related Certifications..................................... 9

6.8

Safety Limiting Values .............................................. 9

6.9

Electrical Characteristics—5-V Supply ................... 10

6.10

Supply Current Characteristics—5-V Supply ........ 11

6.11

Electrical Characteristics—3.3-V Supply .............. 12

6.12

Supply Current Characteristics—3.3-V Supply ..... 13

6.13

Electrical Characteristics—2.5-V Supply .............. 14

6.14

Supply Current Characteristics—2.5-V Supply ..... 15

6.15

Switching Characteristics—5-V Supply................. 16

6.16

Switching Characteristics—3.3-V Supply.............. 16

6.17

Switching Characteristics—2.5-V Supply.............. 17

6.18

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

6.19

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

7

Parameter Measurement Information ................ 21

8

Detailed Description ............................................ 23

8.1

Overview ................................................................. 23

8.2

Functional Block Diagram ....................................... 23

8.3

Feature Description................................................. 24

8.4

Device Functional Modes........................................ 25

9

Application and Implementation ........................ 26

9.1

Application Information............................................ 26

9.2

Typical Application .................................................. 26

10

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

11

Layout................................................................... 29

11.1

Layout Guidelines ................................................. 29

11.2

Layout Example .................................................... 29

12

Device and Documentation Support ................. 30

12.1

Documentation Support ........................................ 30

12.2

Related Links ........................................................ 30

12.3

Receiving Notification of Documentation Updates 30

12.4

Community Resources.......................................... 30

12.5

Trademarks ........................................................... 30

12.6

Electrostatic Discharge Caution ............................ 30

12.7

Glossary ................................................................ 31

13

Mechanical, Packaging, and Orderable

Information ........................................................... 31

4 Revision History

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

Changes from Revision C (December 2016) to Revision D

Page

•

Updated the Safety-Related Certifications table..................................................................................................................... 9

•

Changed the minimum CMTI from 40 to 85 in all Electrical Characteristics tables ............................................................ 10

Changes from Revision B (October 2016) to Revision C

Page

•

Changed the Regulatory Information table to Safety-Related Certifications and updated content. ....................................... 9

•

Changed the certifications from planned to certified in the Safety-Related Certifications table............................................. 9

Changes from Revision A (June 2016) to Revision B

Page

•

Changed Feature From: High CMTI: ±75 kV/μs Typical To: High CMTI: ±100 kV/μs Typical ............................................... 1

•

Changed Feature From: All Certifications are Planned To: 'VDE, UL, and TUV Certifications for DW Package

Complete; All Other Certifications are Planned ...................................................................................................................... 1

•

Changed the unit value of CLR and CPG From: μm To: mm in Insulation Specifications .................................................... 8

•

Changed From: "Plan to certify" To: "Certified" in column VDE of Safety-Related Certifications .......................................... 9

•

Added a conditions statement to Safety-Related Certifications ............................................................................................ 9

•

Changed From: "Plan to certify" To: "Certified" in column UL of Safety-Related Certifications ............................................. 9

•

Changed From: "Plan to certify" To: "Certified" in column TUV of Safety-Related Certifications .......................................... 9

•

Changed From: "Certification Planned" To: 'Certificate number: 40040142" in column VDE of Safety-Related

Certifications ........................................................................................................................................................................... 9

•

Changed From: "Certification Planned" To: "File number: E181974" in column VDE of Safety-Related Certifications......... 9