Operation range (full accuracy): Pressure: 300~1100 hPa; Temperature: -40 ~+85 °C
Supply voltage VDDIO: 1.2~3.6 V
Supply voltage VDD: 1.71~3.6 V
Interface: I2C and SPI
Average current consumption (typ.) (1Hz data refresh rate):
1.8 μA @ 1 Hz (H, T)
2.8 μA @ 1 Hz (P, T)
3.6 μA @ 1 Hz (H, P, T)
T = temperature
Average current consumption in sleep mode: 0.1 µA
Humidity sensor:
Response time (τ63%): 1 s
Accuracy tolerance: ±3 % relative humidity
Hysteresis: ≤2 % relative humidity
Pressure sensor:
RMS Noise: 0.2 Pa (equiv. to 1.7 cm)
Sensitivity Error: ±0.25 % (equiv. to 1 m at 400 m height change)
Temperature: ±1.5 Pa/K
coefficient offset: (equiv. to ±12.6 cm at 1 °C temperature change)