2

ISO7841, ISO7841F

SLLSEM3F – NOVEMBER 2014 – REVISED APRIL 2016

www.ti.com

Product Folder Links: ISO7841 ISO7841F

Submit Documentation Feedback

Copyright © 2014–2016, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

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

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 Dissipation Characteristics ............................ 7

6.6

Electrical Characteristics—5-V Supply ..................... 8

6.7

Supply Current Characteristics—5-V Supply ............ 8

6.8

Electrical Characteristics—3.3-V Supply .................. 9

6.9

Electrical Characteristics—3.3-V Supply .................. 9

6.10

Electrical Characteristics—2.5-V Supply .............. 10

6.11

Supply Current Characteristics—2.5-V Supply ..... 10

6.12

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

6.13

Switching Characteristics—3.3-V Supply.............. 11

6.14

Switching Characteristics—2.5-V Supply.............. 12

6.15

Typical Characteristics .......................................... 13

7

Parameter Measurement Information ................ 14

8

Detailed Description ............................................ 16

8.1

Overview ................................................................. 16

8.2

Functional Block Diagram ....................................... 16

8.3

Feature Description................................................. 17

8.4

Device Functional Modes........................................ 21

9

Application and Implementation ........................ 22

9.1

Application Information............................................ 22

9.2

Typical Application .................................................. 22

10

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

11

Layout................................................................... 25

11.1

Layout Guidelines ................................................. 25

11.2

Layout Example .................................................... 25

12

Device and Documentation Support ................. 26

12.1

Documentation Support ........................................ 26

12.2

Related Links ........................................................ 26

12.3

Community Resources.......................................... 26

12.4

Trademarks ........................................................... 26

12.5

Electrostatic Discharge Caution ............................ 26

12.6

Glossary ................................................................ 26

13

Mechanical, Packaging, and Orderable

Information ........................................................... 26

4 Revision History

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

Changes from Revision E (March 2016) to Revision F

Page

•

Changed the number of years for the isolation barrier life in the Features section .............................................................. 1

•

VDE certification is now complete ......................................................................................................................................... 1

•

characteristics tables .............................................................................................................................................................. 8

•

•

Added the lifetime projection graphs for DW and DWW packages to the Safety Limiting Values section ......................... 18

Changes from Revision D (December 2015) to Revision E

Page

•

Changed the Safety and Regulatory Approvals list of Features ............................................................................................ 1

•

Added Features "TUV Certification per EN 61010-1 and EN 60950-1" ................................................................................. 1

•

Changed text in the first paragraph of the Description From: "certifications according to VDE, CSA, and CQC". To:

"certifications according to VDE, CSA, CQC, and TUV." ...................................................................................................... 1

•

Added Note 1 to Table 3 ..................................................................................................................................................... 18

•

Changed Table 4 .................................................................................................................................................................. 19

•

Added TUV to the Regulatory Information section and Table 5. Deleted Note 1 in Table 5 .............................................. 19

•

Changed Figure 17 .............................................................................................................................................................. 21

Changes from Revision C (July 2015) to Revision D

Page

•

Added Features: DW Package Certifications Complete; DWW Certifications Planned ......................................................... 1

•

Added text to the Description: and extra-wide body (DWW) packages. ............................................................................... 1

•

Added package: Extra wide SOIC, DWW (16) to the Device Information table..................................................................... 1