SNIS232A
October 2023 – June 2024
ISOTMP35
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
Recommended Operating Conditions
5.4
Thermal Information
5.5
Insulation Specification
5.6
Power Ratings
5.7
Safety-Related Certifications
5.8
Safety Limiting Values
5.9
Electrical Characteristics
5.10
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Features Description
6.3.1
Integrated Isolation Barrier and Thermal Response
6.3.2
Analog Output
6.3.2.1
Output Accuracy
6.3.2.2
Output Voltage Linearity
6.3.2.3
Drive Capability
6.3.2.4
Common Mode Transient Immunity (CMTI)
6.3.3
Thermal Response
6.4
Device Functional Modes
7
Application and Implementation
7.1
Application Information
7.1.1
Output Voltage Linearity
7.1.2
Load Regulation
7.1.3
Start-Up Settling Time
7.1.4
Thermal Response
7.1.5
External Buffer
7.1.6
ADC Selection and Impact on Accuracy
7.1.7
Implementation Guidelines
7.1.8
PSRR
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Insulation Lifetime
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Documentation
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
1
Features
Robust integrated isolation barrier:
Withstand isolation voltage: 3000V
RMS
Isolation working voltage: 500V
RMS
Isolation barrier life: > 50 years
Temperature sensor accuracy
±0.5°C typical at 25°C
±1.2°C maximum from 0°C to 70°C
±2.5°C maximum from –40°C to 150°C
Operating supply range: 2.3V to 5.5V
Positive slope sensor gain: 10mV/°C, with 500mV offset at 0°C
Fast thermal response: < 2 seconds
Short circuit protected output
Low power consumption: 9µA (typical)
DFQ (SOIC-7) package
Safety-related certifications (planned):
3kV
RMS
isolation for 1 minute per UL 1577