SLLS629O January   2006  – October 2025 ISO721 , ISO721M , ISO722 , ISO722M

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  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  Safety Limiting Values
    7. 6.7  Insulation Specifications
    8. 6.8  Safety-Related Certifications
    9. 6.9  Electrical Characteristics, 5 V, 3.3 V
    10. 6.10 Electrical Characteristics, 5 V
    11. 6.11 Switching Characteristics, 3.3 V, 5 V
    12. 6.12 Electrical Characteristics, 3.3 V, 5 V
    13. 6.13 Electrical Characteristics, 3.3 V
    14. 6.14 Switching Characteristics, 3.3 V
    15. 6.15 Switching Characteristics, 5 V, 3.3 V
    16. 6.16 Switching Characteristics, 5 V
    17. 6.17 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Device Functional Modes
      1. 8.3.1 Device I/O Schematic
  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 Curves
        1. 9.2.3.1 Insulation Characteristics Curves
        2. 9.2.3.2 Insulation Lifetime
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
        1. 9.4.1.1 PCB Material
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Development Support
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

7 Parameter Measurement Information

ISO721 ISO721M ISO722 ISO722M Switching Characteristic Test Circuit and Voltage Waveforms Figure 7-1 Switching Characteristic Test Circuit and Voltage Waveforms
ISO721 ISO721M ISO722 ISO722M ISO722 Sleep-Mode High-Level Output Test Circuit and Voltage Waveforms Figure 7-2 ISO722 Sleep-Mode High-Level Output Test Circuit and Voltage Waveforms
ISO721 ISO721M ISO722 ISO722M ISO722 Sleep-Mode Low-Level Output Test Circuit and Voltage Waveforms Figure 7-3 ISO722 Sleep-Mode Low-Level Output Test Circuit and Voltage Waveforms
Note:

A: The input pulse is supplied by a generator having the following characteristics:

PRR ≤ 50 kHz, 50% duty cycle, tr ≤ 3 ns, tf ≤ 3 ns, ZO = 50 Ω.

B: CL = 15 pF ± 20% and includes instrumentation and fixture capacitance.

ISO721 ISO721M ISO722 ISO722M Failsafe Delay Time Test Circuit and Voltage Waveforms
NOTE: VI transition time is 100 ns.
Figure 7-4 Failsafe Delay Time Test Circuit and Voltage Waveforms
ISO721 ISO721M ISO722 ISO722M Common-Mode Transient-Immunity Test Circuit and Voltage Waveform
NOTE: Pass/fail criterion is no change in VO.
Figure 7-5 Common-Mode Transient-Immunity Test Circuit and Voltage Waveform
ISO721 ISO721M ISO722 ISO722M Peak-to-Peak Eye-Pattern Jitter Test Circuit and Voltage Waveform
NOTE: Bit pattern run length is 216 – 1. Transition time is 800 ps. NRZ data input has no more than five consecutive 1s or 0s.
Figure 7-6 Peak-to-Peak Eye-Pattern Jitter Test Circuit and Voltage Waveform