SBOU319A November   2024  – June 2025

1.   1
2.   Description
3.   Get Started
4.   Features
5.   Applications
6.   6
7. 1Evaluation Module Overview
   1. 1.1 Introduction
   2. 1.2 Kit Contents
   3. 1.3 HDC3120EVM Specifications
   4. 1.4 Device Information
8. 2Hardware
   1. 2.1 Setup and Interface
      1. 2.1.1 Setup Overview
      2. 2.1.2 Connecting Board Power and Ground
      3. 2.1.3 Connecting to the HDC3120 and Comparator Outputs
      4. 2.1.4 Temperature
      5. 2.1.5 Relative Humidity (RH)
      6. 2.1.6 HDC3120EVM Buttons
         1. 2.1.6.1 Reset Button (SW1)
         2. 2.1.6.2 Heater Enable Switch (S2)
   2. 2.2 Comparator Function
9. 3Hardware Design Files
   1. 3.1 Schematics
   2. 3.2 PCB Layouts
      1. 3.2.1 Layout Overview
      2. 3.2.2 Layout Guidelines
   3. 3.3 Bill of Materials (BOM)
10. 4Additional Information
    1. 4.1 Trademarks
11. 5Related Documentation
12. 6Revision History