SLLSF09F
December 2017 – August 2026
ISO1042
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Transient Immunity
5.4
Recommended Operating Conditions
5.5
Thermal Information
5.6
Power Ratings
5.7
Insulation Specifications
5.8
Safety-Related Certifications
5.9
Safety Limiting Values
5.10
Electrical Characteristics - DC Specification
5.11
Switching Characteristics
5.12
Insulation Characteristics Curves
5.13
Typical Characteristics
6
Parameter Measurement Information
6.1
Test Circuits
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
CAN Bus States
7.3.2
Digital Inputs and Outputs: TXD (Input) and RXD (Output)
7.3.3
Protection Features
7.3.3.1
TXD Dominant Timeout (DTO)
7.3.3.2
Thermal Shutdown (TSD)
7.3.3.3
Undervoltage Lockout and Default State
7.3.3.4
Floating Pins
7.3.3.5
Unpowered Device
7.3.3.6
CAN Bus Short Circuit Current Limiting
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Bus Loading, Length and Number of Nodes
8.2.2.2
CAN Termination
8.2.3
Application Curve
8.2.3.1
Insulation Lifetime
8.3
DeviceNet Application
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.1.1
PCB Material
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Data Sheet
ISO1042
Isolated CAN Transceiver With 70V Bus Fault Protection and Flexible Data Rate