Technical data
Package dimensions
8-Pin LGA with metal
3.0 x 3.0 x 0.93 mm³
3.0 x 3.0 x 0.93 mm³
Operation range (full accuracy)
Pressure: 300...1100 hPa
Humidity 0…100%
Temperature: -40…85°C
Humidity 0…100%
Temperature: -40…85°C
Supply voltage VDDIO
Supply voltage VDD
Supply voltage VDD
1.2 ... 3.6 V
1.71 ... 3.6 V
1.71 ... 3.6 V
Interface
I²C and SPI
Average current consumption
(1Hz data refresh rate))
Average current consumption in sleep mode
(1Hz data refresh rate))
Average current consumption in sleep mode
2.1 µA at 1 Hz humidity and temperature
3.1 µA at 1 Hz pressure and temperature
3.7 µA at 1 Hz humidity, pressure and temperature
0.09‒12 mA for p/h/T/gas depending on operation mode
3.1 µA at 1 Hz pressure and temperature
3.7 µA at 1 Hz humidity, pressure and temperature
0.09‒12 mA for p/h/T/gas depending on operation mode
Gas sensor
Response time (τ 33-63%)
Sensor-to-sensor deviation
Power consumption
Output data processing
Response time (τ 33-63%)
Sensor-to-sensor deviation
Power consumption
Output data processing
< 1 s (for new sensors)
+/- 15% +/- 15
< 0.1 mA in ultra-low power mode
direct output of IAQ: Index for Air Quality
+/- 15% +/- 15
< 0.1 mA in ultra-low power mode
direct output of IAQ: Index for Air Quality
Humidity sensor
Response time (τ0-63%)
Accuracy tolerance
Hysteresis
Response time (τ0-63%)
Accuracy tolerance
Hysteresis
8 s
± 3 % relative humidity
≤ 1.5 % relative humidity
± 3 % relative humidity
≤ 1.5 % relative humidity
Pressure sensor
RMS Noise
Sensitivity Error
Temperature coefficient offset
RMS Noise
Sensitivity Error
Temperature coefficient offset
0.12 Pa (equiv. to 1.7 cm)
± 0.25 % (equiv. to 1 m at 400 m height change)
±1.3 Pa/K (equiv. to ±10.9 cm at 1°C temperature change)
± 0.25 % (equiv. to 1 m at 400 m height change)
±1.3 Pa/K (equiv. to ±10.9 cm at 1°C temperature change)