TIDUEA0A
March 2019 – September 2020
1
Description
Resources
Features
Applications
6
1
System Description
1.1
Key System Specifications
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.3
Highlighted Products
2.3.1
Device Recommendation
2.3.2
Digital Temperature Sensor - TMP117
2.3.3
Digital Temperature Sensor - TMP116
2.3.4
ESD Protection Devices
2.4
System Design Theory
2.4.1
PT100, PT500, PT1000 based Measurement in Heat Meters
2.4.2
TMP117 Configuration as Temperature Sensor
2.4.3
Digital RTD Solution Using TMP117
2.4.4
Ambient Temperature Considerations
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Required Hardware and Software
3.1.1
Hardware
3.1.2
Interface Test Software for TMP116
3.2
Testing and Results
3.2.1
Test Setup for Performance Testing
3.2.2
EMI and EMC Test Requirements for DRTD
3.2.3
TMP117 EMI/EMC Test Results
3.2.4
TMP117 Based Temperature Probe Measurement Performance Test Results
3.2.5
TMP116 Based Temperature Probe Measurement Performance Test Results
3.2.6
I2C-bus Cable Length Considerations
3.2.7
Power Supply
3.2.8
ESD Test Results for TMP116
3.2.9
Summary
4
Design Files
4.1
Schematics
4.2
Bill of Materials
4.3
Layout Prints
4.4
Altium Project
4.5
Gerber Files
4.6
Assembly Drawings
5
Software Files
6
Related Documentation
6.1
Trademarks
7
About the Author
8
Revision History
Design Guide
Replacing Platinum RTD Sensors With Digital Temperature Sensors Reference Design