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ISO7840, ISO7840F

SLLSEN2B – JULY 2015 – REVISED APRIL 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 Dissipation Characteristics ............................ 6

6.6

Electrical Characteristics—5-V Supply ..................... 7

6.7

Supply Characteristics—5-V Supply ......................... 7

6.8

Electrical Characteristics—3.3-V Supply .................. 8

6.9

Supply Current Characteristics—3.3-V Supply ......... 8

6.10

Electrical Characteristics—2.5-V Supply ................ 9

6.11

Supply Current Characteristics—2.5-V Supply ....... 9

6.12

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

6.13

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

6.14

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

6.15

Typical Characteristics .......................................... 12

7

Parameter Measurement Information ................ 13

8

Detailed Description ............................................ 15

8.1

Overview ................................................................. 15

8.2

Functional Block Diagram ....................................... 15

8.3

Feature Description................................................. 16

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

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

12.4

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

12.5

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

12.6

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

13

Mechanical, Packaging, and Orderable

Information ........................................................... 25

4 Revision History

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

Changes from Revision A (March 2016) to Revision B

Page

•

Added Features 2.25 V to 5.5 V Level Translation ................................................................................................................ 1

•

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

•

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

•

characteristics tables .............................................................................................................................................................. 7

•

•

Added the lifetime projection graphs for DW and DWW packages to the Safety Limiting Values section ......................... 17

Changes from Original (July 2015) to Revision A

Page

•

Changed Features From: Industry leading CMTI To: Industry leading CMTI (MIN) ............................................................. 1

•

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 the DWW pinout image ............................................................................................................................................... 4

•

Added the DWW package to the Thermal Information .......................................................................................................... 6

•

Changed the Supply Current section of Electrical Characteristics—5-V Supply.................................................................... 7

•

Changed the Supply Current section of Electrical Characteristics—5-V Supply.................................................................... 8

•

Changed the Supply Current section ofElectrical Characteristics—2.5-V Supply ................................................................. 9

•

Changed Table 2, added the 16-DWW Package information .............................................................................................. 16

•

Added Note: "This coupler..." to the High Voltage Feature Description section ................................................................. 16