The BMP280 is an absolute barometric pressure sensor, which is especially feasible for mobile applications. Its small dimensions and its low power consumption allow for the implementation in battery-powered devices such as mobile phones, GPS modules or watches. The BMP280 is based on Bosch’s proven piezo-resistive pressure sensor technology featuring high accuracy and linearity as well as long-term stability and high EMC robustness. Numerous device operation options guarantee for highest flexibility. The device is optimized in terms of power consumption, resolution and filter performance.
| Parameter | Technical data |
|---|---|
|
Operation range
|
Pressure: 300…1100 hPa
Temperature: -40…85°C |
|
Absolute accuracy
(950…1050 hPa, 0…+40°C) |
~ ±1 hPa
|
|
Relative accuracy
p = 700…900hPa (Temp. @ 25°C) |
± 0.12 hPa (typical)
equivalent to ±1 m |
|
Average typical current consumption (1 Hz data rate)
|
3.4 μA @ 1 Hz
|
|
Average current consumption (1 Hz data refresh rate)
|
2.74 μA, typical
(ultra-low power mode) |
|
Average current consumption in sleep mode
|
0.1 μA
|
|
Average measurement time
|
5.5 msec
(ultra-low power preset) |
|
Supply voltage VDDIO
|
1.2 … 3.6 V
|
|
Supply voltage VDD
|
1.71 … 3.6 V
|
|
Resolution of data
|
Pressure: 0.01 hPa ( < 10 cm)
Temperature: 0.01° C |
|
Temperature coefficient offset
(+25°…+40°C @900hPa) |
1.5 Pa/K, equiv. to 12.6 cm/K
|
|
Interface
|
I²C and SPI
|
|
Package dimensions
|
8-Pin LGA with metal
2.0 x 2.5 x 0.95 mm³ |
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