SLLSG12A August   2025  – March 2026 ISO6420 , ISO6421

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Power Ratings
    6. 6.6  Insulation Specifications 
    7. 6.7  Safety-Related Certifications
    8. 6.8  Safety Limiting Values
    9. 6.9  Electrical Characteristics—5V Supply
    10. 6.10 Supply Current Characteristics—5V Supply
    11. 6.11 Electrical Characteristics—3.3V Supply
    12. 6.12 Supply Current Characteristics—3.3V Supply
    13. 6.13 Electrical Characteristics—2.5V Supply 
    14. 6.14 Supply Current Characteristics—2.5V Supply
    15. 6.15 Switching Characteristics—5V Supply
    16. 6.16 Switching Characteristics—3.3V Supply
    17. 6.17 Switching Characteristics—2.5V Supply
    18. 6.18 Insulation Characteristics Curves
    19. 6.19 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Electromagnetic Compatibility (EMC) Considerations
    4. 8.4 Device Functional Modes
    5. 8.5 Device I/O Schematics
      1. 8.5.1 Overvoltage Tolerant Input
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.19 Typical Characteristics

ISO6420 ISO6421 ISO6420 or ISO6420F Supply Current vs Data Rate (With 15pF Load)
TA = 25°C CL = 15pF
Figure 6-5 ISO6420 or ISO6420F Supply Current vs Data Rate (With 15pF Load)
ISO6420 ISO6421 ISO6421 or ISO6421F Supply Current vs Data Rate (With 15pF Load)
TA = 25°C CL = 15pF
Figure 6-7 ISO6421 or ISO6421F Supply Current vs Data Rate (With 15pF Load)
ISO6420 ISO6421 High-Level Output Voltage vs High-level Output Current
TA = 25°C
Figure 6-9 High-Level Output Voltage vs High-level Output Current
ISO6420 ISO6421 Power Supply Undervoltage Threshold vs Free-Air Temperature
Figure 6-11 Power Supply Undervoltage Threshold vs Free-Air Temperature
ISO6420 ISO6421 ISO6420 or ISO6420F Supply Current vs Data Rate (With No Load)
TA = 25°C CL = No Load
Figure 6-6 ISO6420 or ISO6420F Supply Current vs Data Rate (With No Load)
ISO6420 ISO6421 ISO6421 or ISO6421F Supply Current vs Data Rate (With No Load)
TA = 25°C CL = No Load
Figure 6-8 ISO6421 or ISO6421F Supply Current vs Data Rate (With No Load)
ISO6420 ISO6421 Low-Level Output Voltage vs Low-Level Output Current
TA = 25°C
Figure 6-10 Low-Level Output Voltage vs Low-Level Output Current
ISO6420 ISO6421 Propagation Delay Time vs Free-Air Temperature
Figure 6-12 Propagation Delay Time vs Free-Air Temperature