SW02 - VOC and Weather Sensor (BME680)
Overview
This xCHIP is a digital 4-in-1 sensor with gas, humidity, pressure and temperature measurement.
Product Highlights
- I2C digital interface up to 3.4 MHz
Applications
- Indoor air quality
- Home automation
- Internet of things
- Weather forecast
- GPS enhancement (e.g. time-to-first-fix improvement, dead reckoning, slope detection)
- Indoor navigation (change of floor detection, elevator detection)
- Outdoor navigation, leisure and sports applications
- Vertical velocity indication (rise/sink speed)
Specifications
- Digital interface
- I2C (up to 3.4 MHz)
- Current consumption
- 2.1 µA ar 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
- 0.15 µA in sleep mode
- Key parameters for gas sensor
- Response time: <1 s (for new sensors)
- Power consumption: <0.1 mA in ultra-low power mode
- Output data processing: direct indoor air quality (IAQ) index output
- Key parameters for humidity sensor
- Response time: ~8 s
- Accuracy tolerance: ±3% r.H
- Hysteresis: ±1.5% r.H
- Key parameters for pressure sensor
- RMS Noise: 0.12 pa, equiv. to 1.7 cm
- Offset temperature coefficient: ±1.3 Pa/K, equiv. to ±10.9 cm at 1 °C temperature change
Datasheet