SNIS244
September 2025
ISOTMP35R
ADVANCE INFORMATION
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
Drive Capability
6.3.2.3
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
External Buffer
7.1.2
ADC Interface Considerations
7.1.3
Electromagnetic Noise Mitigation
7.1.3.1
Filtering Techniques
7.1.3.2
General Design Guidelines
7.1.3.3
PCB Layout Practices
7.1.4
Insulation Lifetime
7.2
Power Supply Recommendations
7.2.1
PSRR Considerations
7.3
Layout
7.3.1
Layout Guidelines
7.3.2
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
Package Options
Mechanical Data (Package|Pins)
DFP|12
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snis244_oa
1
Features
Robust integrated isolation barrier:
Withstand isolation voltage: 5kV
RMS
Isolation working voltage: 1.06kV
RMS
Isolation barrier life: >30 years
Temperature sensor accuracy:
±0.5°C typical at 25°C
±1.5°C maximum from 0°C to 70°C
±2.5°C maximum from –40°C to 150°C
Operating supply range: 3V to 34V
Positive slope sensor gain: 10mV/°C
Sensor offset: 500mV at 0°C
Fast thermal response: <4s
Short circuit protected output
Low power consumption: 45µA (typical)
DFP (SSOP-12) package
Safety-related certifications (planned):
5kV
RMS
isolation for 1 minute per UL 1577