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SHT41-AD1F-R2

Auth: Date:2025/11/5 Source:WECHIP Visit:12 Related Key Words: High-Accuracy Digital Sensor Low-Power Environmental Monitoring

Ⅰ.Overview of SHT41-AD1F-R2

The SHT41-AD1F-R2 is a new generation high-accuracy digital humidity and temperature sensor launched by Sensirion AG, belonging to the advanced SHT4x series. Utilizing an optimized CMOSens® technology chip, this sensor integrates complete calibration and digital signal processing functions. Building upon a baseline accuracy of ±1.8% RH for humidity and ±0.2°C for temperature, it achieves excellent energy efficiency and long-term stability. Its ultra-small DFN package and wide operating voltage characteristics make it an ideal choice for various portable devices and precision measurement applications.

 

Ⅱ.SHT41-AD1F-R2 Parameter

Category:Sensors, Transducers;Humidity, Moisture Sensors

Manufacturer:Sensirion AG

Series:SHT4x

Packaging:Tape & Reel (TR);Cut Tape (CT);Digi-Reel®

Part Status:Active

Sensor Type:Humidity, Temperature

Accuracy:±1.8% RH

Response Time:4 s

Voltage - Supply:1.08V ~ 3.6V

Mounting Type:Surface Mount

Operating Temperature:-40°C ~ 125°C

Package / Case:4-WDFN Exposed Pad

Supplier Device Package:4-DFN (1.5x1.5)

 

Ⅲ.SHT41-AD1F-R2 Main Characteristics

Exceptional Measurement Accuracy:Humidity measurement accuracy ±1.8% RH; Temperature measurement accuracy ±0.2°C; Very low cross-sensitivity between temperature and humidity.

Excellent Energy Efficiency:Ultra-wide operating voltage range (1.08V - 3.6V; Suitable for battery-powered portable devices;Supports multiple low-power modes.

Enhanced Environmental Robustness:Wide operating temperature range (-40°C ~ 125°C); Resistant to condensation and chemical influences; Excellent long-term stability.

Advanced Integrated Design:Integrated digital signal processing; Fully calibrated during production; Standard I²C digital interface.

 

Ⅳ.SHT41-AD1F-R2 Application 

IoT & Smart Home:Smart thermostats; Environmental monitoring stations; Smart appliance control.

Automotive Electronic Systems:Cabin climate control; Battery thermal management monitoring; HVAC system optimization

Medical & Health Devices:Respiratory therapy equipment; Medical environment monitoring; Wearable health monitors

Industrial & Agricultural Monitoring:Process environment control; Greenhouse environment monitoring; Warehouse condition monitoring

 

Ⅴ.Conclusion

The SHT41-AD1F-R2, as a representative product of Sensirion's fourth-generation humidity and temperature sensors, provides a reliable environmental sensing solution for modern electronic systems with its outstanding measurement accuracy, excellent energy efficiency, and superior environmental robustness. Its ultra-small size and complete digital output characteristics significantly simplify system design complexity, making it an ideal choice for various applications requiring precise environmental monitoring.


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