SDAA569 October   2026 ISO6020 , ISO6021 , ISO6040 , ISO6041 , ISO6042 , ISO6420 , ISO6420-Q1 , ISO6421 , ISO6421-Q1 , ISO6440 , ISO6440-Q1 , ISO6441 , ISO6441-Q1 , ISO6442 , ISO6442-Q1 , ISO6462 , ISO6463 , ISOW6441

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2How to Determine if a Digital Isolator Has Overvoltage-Tolerant Inputs?
  6. 3The Benefits of Digital Isolators with Overvoltage-Tolerant Inputs
    1. 3.1 Accept Higher-Than-Supply Input Levels Safely
    2. 3.2 Simplify Interfacing Between Devices with Different Supplies or Power Sequences
    3. 3.3 Improve Robustness During Brown-Out Conditions
    4. 3.4 Reduce Power Consumption by Powering Down During Normal System Operation
    5. 3.5 Withstands Signal Overshoots Due to Parasitics
    6. 3.6 Preserve Signal Integrity by Avoiding Extra Filtering Networks During EMC Transients
    7. 3.7 Reduce Board Area Utilization
  7. 4Digital Isolators with Overvoltage Tolerant Inputs
  8. 5Summary
  9. 6References
Application Note

Overvoltage-Tolerant Digital Isolators Enable Simplified and Robust System Designs