Product description
Bosch Sensortec BMP390 is a compact, low-power, low-noise 24-bit absolute barometric pressure sensor for altitude tracking, indoor localization/floor detection, GPS enhancement, wearables, hearables and drones.
Standard specifications
| Product model | BMP390 |
|---|---|
| Sensor type | barometric_pressure_sensor |
| Supply voltage | VDD 1.65–3.6 V; VDDIO 1.2–3.6 V |
| Calibration | Factory-trimmed; on-chip compensation and digital calibration |
| Data interface | I2C|SPI |
| Ingress protection | No IP rating stated in the cited Bosch sources |
| Operating temperature | −40 to +85 °C |
| Dimensions | 2.0 × 2.0 × 0.75 mm, 10-pin metal-lid LGA package |
Technical extensions
Pressure range: 300–1250 hPa. Official BMP390 technical data: absolute pressure range 300–1250 hPa; full-accuracy range pressure 300–1100 hPa and temperature 0…65 °C; typical absolute accuracy ±50 Pa under those conditions; relative accuracy ±3 Pa typical at 700–1100 hPa and 25…40 °C (equivalent to ±0.25 m); pressure noise 0.02 Pa RMS; temperature offset coefficient ±0.6 Pa/K; long-term stability ±0.16 hPa over 12 months; solder drift <±0.8 hPa; typical current 3.2 µA at 1 Hz and 1.4 µA in sleep; maximum sampling rate 200 Hz.
Sources: Bosch Sensortec BMP390 product page; BMP390 product flyer; BMP390 datasheet.