SLLSEP0B July   2015  – July 2025 ISO7820

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Power Ratings
    6. 5.6  Insulation Specifications
    7. 5.7  Safety-Related Certifications
    8. 5.8  Safety Limiting Values
    9. 5.9  Electrical Characteristics, 5 V
    10. 5.10 Electrical Characteristics, 3.3 V
    11. 5.11 Electrical Characteristics, 2.5 V
    12. 5.12 Power Ratings
    13. 5.13 Switching Characteristics, 5 V
    14. 5.14 Switching Characteristics, 3.3 V
    15. 5.15 Switching Characteristics, 2.5 V
    16. 5.16 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device I/O Schematics
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Electromagnetic Compatibility (EMC) Considerations
      3. 8.2.3 Application Performance Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 PCB Material
      2. 8.4.2 Layout Guidelines
      3. 8.4.3 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Related Documentation
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

7.2 Functional Block Diagram

ISO7820 ISO7820F Conceptual Block Diagram of a Digital Capacitive IsolatorFigure 7-1 Conceptual Block Diagram of a Digital Capacitive Isolator

Also a conceptual detail of how the ON/OFF Keying scheme works is shown in Figure 7-2.

ISO7820 ISO7820F On-Off Keying (OOK) Based Modulation SchemeFigure 7-2 On-Off Keying (OOK) Based Modulation Scheme