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ISO7842
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ISO7842F
SLLSEJ0G –OCTOBER 2014–REVISED MARCH 2017
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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 Ratings........................................................... 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.......... 10
6.11 Electrical Characteristics—3.3-V Supply .............. 11
6.12 Supply Current Characteristics—3.3-V Supply..... 11
6.13 Electrical Characteristics—2.5-V Supply .............. 12
6.14 Supply Current Characteristics—2.5-V Supply..... 12
6.15 Switching Characteristics—5-V Supply................. 13
6.16 Switching Characteristics—3.3-V Supply.............. 13
6.17 Switching Characteristics—2.5-V Supply.............. 14
6.18 Insulation Characteristics Curves ......................... 15
6.19 Typical Characteristics.......................................... 16
7 Parameter Measurement Information ................ 17
8 Detailed Description............................................ 19
8.1 Overview................................................................. 19
8.2 Functional Block Diagram....................................... 19
8.3 Feature Description................................................. 20
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 Receiving Notification of Documentation Updates 26
12.4 Community Resources.......................................... 26
12.5 Trademarks........................................................... 26
12.6 Electrostatic Discharge Caution............................ 26
12.7 Glossary................................................................ 26
13 Mechanical, Packaging, and Orderable
Information........................................................... 27
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision F (April 2016) to Revision G Page
• Changed part numbers in the Power Ratings table (previously Power Dissipation Characteristics) .................................... 7
• Changed the input-to-output test voltage parameter to apparent charge in the Insulation Specifications ............................ 8
• Added the Receiving Notification of Documentation Updates section ................................................................................. 26
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
• Changed VCCO to VCCI for the minimum value of the input threshold voltage hysteresis parameter in all electrical
characteristics tables............................................................................................................................................................ 10
• Added VCM to the test condition of the common-mode transient immunity parameter in all electrical characteristics
tables.................................................................................................................................................................................... 10
• Added the lifetime projection graphs for DW and DWW packages to the Safety Limiting Values section ......................... 15
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 Insulation Characteristics ........................................................................................................................... 8