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ISO7831, ISO7831F

SLLSEP8B – JULY 2015 – REVISED JUNE 2016

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Copyright © 2015–2016, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

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

6

Specifications......................................................... 5

6.1

Absolute Maximum Ratings ...................................... 5

6.2

ESD Ratings.............................................................. 5

6.3

Recommended Operating Conditions ....................... 5

6.4

Thermal Information .................................................. 6

6.5

Power Rating............................................................. 6

6.6

Insulation Characteristics .......................................... 7

6.7

Regulatory Information.............................................. 8

6.8

Safety Limiting Values .............................................. 8

6.9

Electrical Characteristics—5-V Supply ..................... 9

6.10

Supply Current Characteristics—5-V Supply .......... 9

6.11

Electrical Characteristics—3.3-V Supply .............. 10

6.12

Supply Current Characteristics—3.3-V Supply ..... 10

6.13

Electrical Characteristics—2.5-V Supply .............. 11

6.14

Supply Current Characteristics—2.5-V Supply ..... 11

6.15

Switching Characteristics—5-V Supply................. 12

6.16

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

6.17

Switching Characteristics—2.5-V Supply.............. 13

6.18

Insulation Characteristics Curves ......................... 14

6.19

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

7

Parameter Measurement Information ................ 16

8

Detailed Description ............................................ 18

8.1

Overview ................................................................. 18

8.2

Functional Block Diagram ....................................... 18

8.3

Feature Description................................................. 19

8.4

Device Functional Modes........................................ 20

9

Application and Implementation ........................ 21

9.1

Application Information............................................ 21

9.2

Typical Application .................................................. 21

10

Power Supply Recommendations ..................... 23

11

Layout................................................................... 24

11.1

Layout Guidelines ................................................. 24

11.2

Layout Example .................................................... 24

12

Device and Documentation Support ................. 25

12.1

Documentation Support ........................................ 25

12.2

Related Links ........................................................ 25

12.3

Receiving Notification of Documentation Updates 25

12.4

Community Resources.......................................... 25

12.5

Trademarks ........................................................... 25

12.6

Electrostatic Discharge Caution ............................ 25

12.7

Glossary ................................................................ 25

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 A (September 2015) to Revision B

Page

•

Changed Features From: Low Power Consumption, Typical 2.5 mA per Channel at 1 Mbps To: Low Power

Consumption, Typical 1.7 mA per Channel at 1 Mbps .......................................................................................................... 1

•

Changed the isolation barrier life from > 25 years to > 40 years in the Features section ..................................................... 1

•

Changed Features From: Safety and Regulatory Approvals To: Safety-Related Certifications ........................................... 1

•

Updated the status of the certifications throughout the document ........................................................................................ 1

•

Added the extra-wide body package (16 pin SOIC [DWW]) option........................................................................................ 1

•

Changed the values for the DW package in the Thermal Information table ......................................................................... 6

•

Moved Insulation Characteristics to the Specifications section.............................................................................................. 7

•

•

Added the climatic category parameter to the Insulation Characteristics table .................................................................... 7

•

Moved Regulatory Information to the Specifications section.................................................................................................. 8

•

Moved Safety Limiting Values to the Specifications section .................................................................................................. 8

•

Changed the test conditions and values for the DW package in the Safety Limiting Values table........................................ 8

•

characteristics tables .............................................................................................................................................................. 9

•

minimum value from 70 to 100 and deleted the maximum value of 100................................................................................ 9

•

•

•

•

Added the lifetime projection graphs for DW and DWW packages to the Insulation Characteristics Curves section ........ 14