Descriptions

• Digital interface I2C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)

• Supply voltage VDD main supply voltage range: 1.71 V to 3.6 V

• VDDIO interface voltage range: 1.2 V to 3.6 V

• Current consumption 1.8 μA @ 1 Hz humidity and temperature

• 2.8 μA @ 1 Hz pressure and temperature

• 3.6 μA @ 1 Hz humidity, pressure and temperature

• 0.1 μA in sleep mode

• Operating range -40…+85 °C, 0…100 % rel. humidity, 300…1100 hPa

• Humidity sensor and pressure sensor can be independently enabled / disabled

• Register and performance compatible to Bosch Sensortec BMP280 digital pressure sensor

• RoHS compliant, halogen-free, MSL1

• Key parameters for humidity sensor1

• Response time 1 s

• Accuracy tolerance ±3 % relative humidity

• 0 Hysteresis ±1% relative humidity

• Key parameters for pressure sensor RMS Noise 0.2 Pa, equiv. to 1.7 cm

• Offset temperature coefficient ±1.5 Pa/K, equiv. to ±12.6 cm at 1 °C temperature change