SLLA284F July   2022  – July 2022 ISO5451 , ISO5452 , ISO5851 , ISO5852S , ISO7142CC , ISO7142CC-Q1 , ISO721 , ISO721-Q1 , ISO721M , ISO721M-EP , ISO722 , ISO7220A , ISO7220M , ISO7221A , ISO7221B , ISO7221C , ISO7221M , ISO722M , ISO7230A , ISO7230C , ISO7230M , ISO7231A , ISO7231C , ISO7231M , ISO7240A , ISO7240C , ISO7240CF , ISO7240M , ISO7241A , ISO7241C , ISO7241M , ISO7242A , ISO7242C , ISO7242M , ISO7310-Q1 , ISO7310C , ISO7340-Q1 , ISO7340C , ISO7340FC , ISO7341-Q1 , ISO7341C , ISO7341FC , ISO7342-Q1 , ISO7342C , ISO7342FC , ISO7740 , ISO7741 , ISO7742 , ISO7760 , ISO7761 , ISO7762 , ISO7810 , ISO7820 , ISO7821 , ISO7830 , ISO7831 , ISO7840 , ISO7841 , ISO7842

 

  1.   Digital Isolator Design Guide
  2.   Trademarks
  3. 1Operating Principle
    1. 1.1 Edge-Based Communication
    2. 1.2 On-Off Keying (OOK) Based Communication
  4. 2Typical Applications for Digital Isolators and Isolated Functions
  5. 3Digital Isolator Selection Guide
    1. 3.1 Parameters of Interest
    2. 3.2 Isolator Families
  6. 4PCB Design Guidelines
    1. 4.1 PCB Material
    2. 4.2 Layer Stack
    3. 4.3 Creepage Distance
    4. 4.4 Controlled Impedance Transmission Lines
    5. 4.5 Reference Planes
    6. 4.6 Routing
    7. 4.7 Vias
    8. 4.8 Decoupling Capacitors
  7. 5Summary
  8. 6References
  9. 7Revision History

Revision History

Changes from Revision E (July 2022) to Revision F (August 2022)

  • Updated Digital Isolator Families and Isolated Functions table.Go

Changes from Revision D (November 2021) to Revision E (July 2022)

  • Updated the Isolated SPI Interface imageGo

Changes from Revision C (July 2021) to Revision D (November 2021)

  • Added availability of the ISO67xx family.Go
  • Added ISO67xx to list of isolators that use OOK-based communication.Go
  • Added several devices to the Digital Isolator Families and Isolated Functions table.Go

Changes from Revision B (August 2018) to Revision C (July 2021)

  • Updated the numbering format for tables, figures and cross-references throughout the document.Go

Changes from Revision A (November 2014) to Revision B (July 2018)

  • Added the ISO77x family of digital isolators to the documentGo

Changes from Revision * (January 2009) to Revision A (October 2014)

  • Changed Abstract for revision A.Go
  • Changed Operating Principle section including both sub-sections.Go
  • Changed images 1 - 4, beginning on this page.Go
  • Changed entire section titled Typical Applications for Digital Isolators and Isolated Functions.Go
  • Added Digital Isolator Selection Guide section.Go
  • Changed Summary.Go