Specifications
Product Details
Typical applications
- Indoor air quality
- Home automation and control
- 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)
Target Devices
- Handsets such as mobile phones, tablet PCs, GPS devices
- Wearables
- Home weather stations
- Smart watches
- Navigation systems
- Gaming, e.g. flying toys
- IOT device
Specifications
- Working voltage: 1.7V3.6V
- Working temperature: -40 ℃ ~ + 85 ℃
- Communication interface: 12C (up to 3.4 MHz) and SPI (3 and 4 wires, up to 10 MHz)
- Humidity, pressure and gas sensors can be enabled / disabled individually.
- The current consumption at 1 Hz humidity and temperature is 2.1 µA, the current consumption at 1 Hz pressure and temperature is 3.1 µA, and the current consumption at 1 Hz humidity, pressure and temperature is 3.7 µA
- Gas sensor parameters: response time (33-63%) <1s (for new sensors) power consumption in ultra-low power mode <0.1 mA output data processing direct indoor air quality (IAQ) index output humidity sensor parameters: response time (0 -83%) ~ 8s
- Accuracy tolerance ± 396r .
- Hysteresis ± 1.5% r.h.
Pin definition
- VCC: Power supply is positive.
- GND: ground
- SCL: 12C / SPI clock line
- SDA: 12C / SPI Data cable
- SDO: SPI data cable
- CS: SPI slave enable
