Technical data
Package dimensions
3.0 x 3.0 x 0.93 mm³
8-Pin LGA with metal
8-Pin LGA with metal
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 (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
Average typical current consumption
2.2 µA at 1 Hz for h/T
3.1 µA at 1 Hz for p/T
4.2 µA at 1 Hz for h/p/T
50 µA at ULP mode for p/h/T/air quality
0.5 mA at LP mode for p/h/T/air quality
3.1 mA in standard gas scan mode
3.1 µA at 1 Hz for p/T
4.2 µA at 1 Hz for h/p/T
50 µA at ULP mode for p/h/T/air quality
0.5 mA at LP mode for p/h/T/air quality
3.1 mA in standard gas scan mode
Gas sensor
Sensor-to-sensor deviation (IAQ)
IAQ Operating modes
Major sensor outputs
Sensor-to-sensor deviation (IAQ)
IAQ Operating modes
Major sensor outputs
± 15% ± 15 IAQ
3 sec (LP) and 300 sec (ULP)
Index for Air Quality (IAQ), bVOC- & CO2-equivalents (ppm)
Humidity sensor
Response time
Accuracy tolerance
Hysteresis
Response time
Accuracy tolerance
Hysteresis
1 s (τ0-63%)
± 3 % relative humidity
± 1 % relative humidity
Pressure sensor
Relative Accuracy
Absolute Accuracy
Temperature coefficient offset
Relative Accuracy
Absolute Accuracy
Temperature coefficient offset
± 0.05 hPa
± 0.5 hPa
±1.3 Pa/K (equiv. to ±10.9 cm at 1°C temperature change)
Temperature sensor
Absolute accuracy
Absolute accuracy
±0.5 °C (0-65°C)

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