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Digital, barometric pressure sensor - BMP280

• Enhancement of GPS navigation (e.g.time-to-first-fix improvement, dead-reckoning slope detection)
• Indoor navigation (floor detection,elevator detection)
• Outdoor navigation,leisure and sports applications
• Weather forest
• Vertical velocity indication (e.g.rise/sink speed)

  • Model Number: BMP280
  • Data Sheet: Date Sheet File
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  • Digital, barometric pressure sensor
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Product Specification

GENERAL DESCRIPTION:

    BMP280 is an absolute barometric pressure sensor especially designed for mobile applications. The sensor module is housed in an extremely compact package. Its small dimensions and its low power consumption allow for the implementation in battery driven devices such as mobile phones, GPS modules or watches.


    As its predecessor BMP180,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 offer highest flexibility to optimize the device regarding power consumption, resolution and filter performance.A tested set of default settings for example use case is provided to the developer in order to make design-in as easy as possible.

 

BMP280 TARGET APPLCATIONS:

• Enhancement of GPS navigation (e.g.time-to-first-fix improvement, dead-reckoning slope detection)

• Indoor navigation (floor detection,elevator detection)

• Outdoor navigation,leisure and sports applications

• Weather forest

• Vertical velocity indication (e.g.rise/sink speed)

 

TECHNICAL SPECIFICATIONS:

BMP280 (preliminary) Technical data

Package dimensions

8-pin LGA with metal

2.0x 2.5x0.95 mm3

Operation range(full accuracy)

Pressure:300...1100hPa Temperature:0 …..+65 ℃

Supply voltage VDDIO

Supply voltage VDD

1.2...3.6V

1.71...3.6V

Interface

I2C and SPI

Average current consumption(typ.)

(1 Hz data refresh rate)

2.74μA

(ultra-low power mode)

Average current consumption in sleep mode

0.1μA

Average measurement time

5.5msec

(ultra-low power preset)

Resolution of data

Pressure:0.18 Pa

(eqiuv.to <10 cm)

Temperature: 0.01 K

Absolute accuracy

P= 950..1100 hPa(T =0...+65 ℃)

～±1 hPa

Relative accuaracy pressure (typ.)

p=950..1050 hP(+25 ℃)

±0.12 hPa

(equiv. to ±1 m)

Temperature Coefficient offset

(+25°...+40℃@900hPa)

1.5 Pa/K

(equiv. to 12.6 cm/K)


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