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SHT45 - Relative Humidity and Temperature Sensor

Download the SHT45 datasheet PDF. This datasheet also covers the SHT40 variant, as both devices belong to the same relative humidity and temperature sensor family and are provided as variant models within a single manufacturer datasheet.

General Description

Operating range: 0 … 100 %RH, 40…125 °C Fully functional in condensing environment Power heater, true NIST-traceability JEDEC JESD47 qualification

Sensor-specific calibration certificate acc.

ISO 17025 : 2017, 3-point temp.

Key Features

  • Accuracies ΔRH = ±1.0 %RH, ΔT = ±0.1 °C.
  • VDD = 1.08 V … 3.6 V.
  • Avg. current: 0.4 µA, Idle current: 80 nA.
  • I2C FM+, CRC checksum, multip. I2C addr.
  • Patented protection options [1], PTFE membrane and removable protective cover General.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SHT40-Sensirion.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number SHT45
Manufacturer Sensirion
File Size 964.01 KB
Description Relative Humidity and Temperature Sensor
Datasheet download datasheet SHT45 Datasheet

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Other Datasheets by Sensirion

Part Number Description
SHT40 Relative Humidity and Temperature Sensor
SHT40A Automotive-Grade Relative Humidity and Temperature Sensor
SHT41 Relative Humidity and Temperature Sensor
SHT41A Automotive-Grade Relative Humidity and Temperature Sensor
SHT43 Relative Humidity and Temperature Sensor

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Datasheet – SHT4x 4th Gen. High-Accuracy, Ultra-Low-Power, 16-bit, Relative Humidity and Temperature Sensor Features • Accuracies ΔRH = ±1.0 %RH, ΔT = ±0.1 °C • VDD = 1.08 V … 3.6 V • Avg. current: 0.4 µA, Idle current: 80 nA • I2C FM+, CRC checksum, multip. I2C addr. • Patented protection options [1], PTFE membrane and removable protective cover General Description • Operating range: 0 … 100 %RH, −40…125 °C • Fully functional in condensing environment • Power heater, true NIST-traceability • JEDEC JESD47 qualification • Sensor-specific calibration certificate acc. to ISO 17025 : 2017, 3-point temp. calibration SHT4x is a digital sensor platform for measuring relative humidity and temperature at different accuracy classes.