SNAS890A February   2025  – June 2025 HDC3120-Q1

PRODUCTION DATA  

1.   1
2. 1 Features
3. 2 Applications
4. 3 Description
5. 4 Device Comparison
6. 5 Pin Configuration and Functions
7. 6 Specifications
   1. 6.1 Absolute Maximum Ratings
   2. 6.2 ESD Ratings
   3. 6.3 Recommended Operating Conditions
   4. 6.4 Thermal Information
   5. 6.5 Electrical Characteristics
   6. 6.6 Typical Characteristics
8. 7 Detailed Description
   1. 7.1 Overview
   2. 7.2 Functional Block Diagram
   3. 7.3 Feature Description
      1. 7.3.1 Device Power-Up
      2. 7.3.2 Device Disable and Enable
      3. 7.3.3 Conversion of the Signal Output
         1. 7.3.3.1 Relative Humidity (RH%) Measurement
         2. 7.3.3.2 Temperature Measurement
      4. 7.3.4 NIST Traceability and Unique ID
      5. 7.3.5 Output Short Circuit Protection
   4. 7.4 Device Functional Modes
      1. 7.4.1 On-Chip Heater
         1. 7.4.1.1 Operating Principle
            1. 7.4.1.1.1 Heater Configuration Example
         2. 7.4.1.2 Heater Electrical Behavior
         3. 7.4.1.3 Heater Temperature Increase
         4. 7.4.1.4 Heater Usage Guidelines
9. 8 Application and Implementation
   1. 8.1 Application Information
   2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
   3. 8.3 Power Supply Recommendations
   4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
   5. 8.5 Storage and PCB Assembly
      1. 8.5.1 Storage and Handling
      2. 8.5.2 Product Storage
      3. 8.5.3 PCB Assembly Flow
      4. 8.5.4 Rework Consideration
      5. 8.5.5 Sensitivity to Chemicals and Vapors
      6. 8.5.6 Exposure to High Temperature and High Humidity Conditions
      7. 8.5.7 Recovering Sensor Performance: Bake and Rehydration Procedure
10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
       1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
11. 10Revision History
12. 11Mechanical, Packaging, and Orderable Information

HDC3120-Q1 High-Accuracy (1%RH, 0.2°C) Analog Humidity and Temperature Sensor, With Low Long-Term Drift (0.19%RH/yr), and 4s RH% Response