Key facts
- Brand
- SENSIRION
- Model
- SHT20
- Category
- sensor
- Industry
- Electronics
- Documents
- 2
- Languages
- ZH
- Last added
- 2026-10-18
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Sensirion SHT20 Humidity and Temperature Sensor Datasheet
The SHT20 is a digital humidity and temperature sensor from Sensirion featuring a 3x3mm DFN package. It utilizes a CMOSens chip with a capacitive humidity sensor and a gap sensor for temperature, offering fully calibrated digital output via a standard I2C interface. The device is designed for low power consumption and long-term stability. This manual is written in Chinese.
Read onlineSensirion SHT20 specifications
| Resolution (Humidity) | 12 bit (0.04 %RH) |
|---|---|
| Resolution (Temperature) | 14 bit (0.01 °C) |
| Accuracy (Humidity) | Typical ±3.0 %RH |
| Operating Voltage | 2.1 to 3.6 V |
| Operating Temperature | -40 to 125 °C |
| Interface | Two-wire digital interface, standard I2C protocol |
Source: Sensirion SHT20 Humidity and Temperature Sensor Datasheet
All Sensirion SHT20 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the typical accuracy of the SHT20 humidity sensor?
The typical accuracy for humidity is ±3.0 %RH.
From: Sensirion SHT20 Humidity and Temperature Sensor Datasheet
What is the operating voltage range for the SHT20?
The operating voltage range is 2.1 V to 3.6 V.
From: Sensirion SHT20 Humidity and Temperature Sensor Datasheet
What is the I²C address of the SHT20?
All SHT20 sensors are set to the same I²C address as defined in the datasheet.
From: Sensirion SHT20 Humidity and Temperature Sensor Datasheet
How can a soft reset be performed?
Send the soft‑reset command (0xFE) over I²C; the sensor reinitialises within 15 ms.
From: Sensirion SHT20 Humidity and Temperature Sensor Datasheet