ST and Sensirion have worked together to coordinate the replacement of the ST humidity and temperature sensor HTS221 with SHT4x sensors family from Sensirion.
A deep dive transition guide, reference TN1426, is available, providing a high-level reference to guide the user in replacing STMicroelectronics HTS221 sensor with SHT4x sensors family from Sensirion as an high-quality alternative.
Digital humidity and temperature sensor SHT40
- relative humidity accuracy +-1.8%RH
- temperature accuracy +-0.2°C
- VDD = 1.08V ... 3.6V
- average current 0.4uA (@ 1 meas/s)
- I²C interface
- operating range: 0...100%RH, -40...125°C
- NIST traceability
- optional protection membranes and foils