SENSHT40A-AD1B-R3
Overview
The Sensirion SHT40A-AD1B-R3 is a high-accuracy digital humidity and temperature sensor. It features an I2C interface for easy integration and provides 16-bit output for both humidity and temperature measurements. Its compact 4-UDFN package and wide operating voltage range make it suitable for various embedded applications.
Why Choose This Part
Engineers benefit from the SHT40A-AD1B-R3's specified +/-2% RH accuracy and 16-bit resolution, ensuring precise environmental data. The I2C interface simplifies integration into microcontrollers, while its compact 4-UDFN package saves board space. Its low sleep current of 18 uA makes it suitable for power-sensitive applications.
Applications
Key Specifications
Getting Started
To get started with the SHT40A-AD1B-R3, connect it to a microcontroller via its I2C interface. Example libraries and drivers are often available from Sensirion or the microcontroller vendor. Utilize standard I2C communication protocols to read the 16-bit humidity and temperature values, then apply the provided conversion formulas from the datasheet.
SHT40 Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Accuracy | Package | Voltage | Stock |
|---|---|---|---|---|
| SHT40A-AD1B-R3 (this part) | +/-2% RH | UDFN-4 | 2.3V | — |
| SHT40-BD1B-R3 | +/-1.8% RH | UDFN-4 | 1.08V | 13,394 |
| SHT40I-AD1B-R2 | +/-1.8% RH | WDFN-4 | 2.3V | 6,596 |
| SHT40-AD1F-R2 | +/-1.8% RH | WDFN-4 | 1.08V | 20,597 |
| SHT40-AD1B-R2 (Sensirion) | +/-1.8% RH | WDFN-4 | 1.08V | 13,291 |
| SHT40-AD1B-R3 (Sensirion) | +/-1.8% RH | WDFN-4 | 1.08V | 58,954 |
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