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

Package Options

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

5 Pin Configuration and Functions

ISO721 ISO721M ISO722 ISO722M ISO721 and ISO721MD Package 8-Pin SOICTop ViewFigure 5-1 ISO721 and ISO721M
D Package 8-Pin SOIC
Top View
ISO721 ISO721M ISO722 ISO722M ISO722 and ISO722MD Package 8-Pin SOICTop ViewFigure 5-2 ISO722 and ISO722M
D Package 8-Pin SOIC
Top View
Figure 5-3 I
Table 5-1 Pin Functions
PIN Type(1) DESCRIPTION
NAME NO.
ISO721x ISO722x
VCC1 1 1 — Power supply, VCC1
3 3
VCC2 8 8 — Power supply, VCC2
IN 2 2 I Input
OUT 6 6 O Output
EN — 7 I Output enable. OUT is enabled when EN is low or disconnected and disabled when EN is high.
GND1 4 4 — Ground connection for VCC1
GND2 5 5 — Ground connection for VCC2
7
(1) I = Input; O = Output