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The BMP390 is a very small, low-power and low-noise 24-bit absolute barometric pressure sensor. The digital, high-performance sensor is ideally suited for a wide range of altitude tracking applications. This new BMP390 pressure sensor offers outstanding design flexibility, providing a single package solution that customers can easily integrate into a multitude of existing and upcoming devices such as smartphones, GPS modules, wearables, hearables and drones.
| Operation range (full accuracy) | Pressure: 300…1250 hPa |
| Supply voltage VDDIO | 1.2 V … 3.6 V |
| Supply voltage VDD | 1.65 V … 3.6 V |
| Interface | I²C and SPI |
| Average typical current consumption (1 Hz data rate) | 3.2 μA @ 1 Hz |
| Absolute accuracy pressure (typ.) P=300 ...1100 hPa (T=0 ... 65 °C) | ±0.50 hPa |
| Relative accuracy pressure (typ.) P=700…1100 hPa (T=25…40°C) | ±0.03 hPa (equivalent to ±25 cm) |
| RMS noise in pressure | 0.02 Pa |
| Temperature coefficient offset (25°…40°C at 900 hPa) | ±0.6 Pa/K |
| Long-term stability (12 months) | ±0.16 hPa |
| Solder drift | < ±0.8 hPa |
| Maximum sampling rate | 200 Hz |
| Package dimensions | 10-pin LGA with metal lid 2.0 x 2.0 x 0.75 mm³ |
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