SLVSJ21
June 2026
ISO6431-Q1
PRODMIX
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Power Ratings
6.6
Insulation Specifications
6.7
Safety-Related Certifications
6.8
Safety Limiting Values
6.9
Electrical Characteristics—5V Supply
6.10
Supply Current Characteristics—5V Supply
6.11
Electrical Characteristics—3.3V Supply
6.12
Supply Current Characteristics—3.3V Supply
6.13
Electrical Characteristics—2.5V Supply
6.14
Supply Current Characteristics—2.5V Supply
6.15
Switching Characteristics—5V Supply
6.16
Switching Characteristics—3.3V Supply
6.17
Switching Characteristics—2.5V Supply
6.18
Insulation Characteristics Curves
6.19
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Electromagnetic Compatibility (EMC) Considerations
8.4
Device Functional Modes
8.5
Device I/O Schematics
8.6
Overvoltage Tolerant Input
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curve
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Device Nomenclature
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
57
58
59
6.19
Typical Characteristics
T
A
= 25°C
C
L
= 15pF
Figure 6-7
ISO6431-Q1
or
ISO6431F-Q1
Supply Current vs Data Rate (With 15pF Load)
T
A
= 25°C
Figure 6-9
High-Level Output Voltage vs High-level Output Current
Figure 6-11
Power Supply Undervoltage Threshold vs Free-Air Temperature
T
A
= 25°C
C
L
= No Load
Figure 6-8
ISO6431-Q1
or
ISO6431F-Q1
Supply Current vs Data Rate (With No Load)
T
A
= 25°C
Figure 6-10
Low-Level Output Voltage vs Low-Level Output Current
Figure 6-12
Propagation Delay Time vs Free-Air Temperature