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BMP280 I2C or SPI Pressure Sensor

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 powered devices such as mobile phones, GPS modules or watches.

5,00 €
inkl. 20% USt. , zzgl. Versand
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Beschreibung

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 powered devices such as mobile phones, GPS modules or watches.

As its predecessor BMP180, 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.

ParameterTechnical data
Operation range (full accuracy)Pressure: 300...1100 hPa
Temperature: -40…85°C
Absolute accuracy
(Temp. @ 0…+65°C)
~ ±1 hPa
Relative accuracy
p = 700…900hPa
(Temp. @ +25...+40°C)
± 0.12 hPa (typical)
equivalent to ±1 m
Average current consumption (1 Hz data refresh rate)2.74 µA, typical
(ultra-low power mode)
Average current consumption in sleep mode0.1 µA
Average measurement time5.5 msec
(ultra-low power preset)
Supply voltage VDDIO1.2 ... 3.6 V
Supply voltage VDD1.71 ... 3.6 V
Resolution of dataPressure: 0.01 hPa ( < 10 cm)
Temperature: 0.01° C
Temperature coefficient offset
(+25°…+40°C @900hPa)
± 0.12 hPa (typical)
equivalent to ±1 m
InterfaceI²C and SPI
Package dimensions8-Pin LGA with metal
2.0 x 2.5 x 0.95 mm³

BMP280 Features

  • Package 2.5 mm x 2.5 mm x 0.93 mm metal lid LGA
  • Digital interface I2C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz)
  • Supply voltage VDD main supply voltage range: 1.71 V to 3.6 V. VDDIO interface voltage range: 1.2 V to 3.6 V
  • Current consumption 1.8 uA @ 1 Hz humidity and temperature
    • 2.8 uA @ 1 Hz pressure and temperature
    • 3.6 uA @ 1 Hz humidity, pressure and temperature
    • 0.1 uA in sleep mode
  • Operating range -40...+85 C, 0…100 % rel. humidity, 300...1100 hPa- Humidity sensor and pressure sensor can be independently enabled/disabled

Bosch has stepped up their game with their new BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183.

This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI!This precision sensor from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuraccy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with ±1 meter accuracy

The BME280 is the next-generation of sensors from Bosch, and is the upgrade to the BMP085/BMP180/BMP183 - with a low altitude noise of 0.25m and the same fast conversion time. It has the same specifications, but can use either I2C or SPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI.

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