Gas Sensor BME690
The BME690 is the world's smallest 4-in-1 air quality sensor for monitoring indoor air quality and can detect Volatile Organic Compounds (VOCs), Volatile Sulfur Compounds (VSCs) and other gases. The BME690 is further developed on BME688, with increased robustness for use in environments with high condensation levels.
- Standardizability
- Robustness
- Power-efficient
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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)
