BMP280

Part: BMP280 Digital, barometric pressure sensor by Bosch Sensortec

Type: Digital, barometric pressure sensor

Key Specs:

• Package dimensions: 2.0 x 2.5 x 0.95 mm³
• Pressure operation range: 300-1100 hPa
• Temperature operation range: 0…+65°C
• Supply voltage VDDIO: 1.2-3.6 V
• Supply voltage VDD: 1.71-3.6 V
• Interface: I²C and SPI
• Average current consumption (typ., ultra-low power mode, 1Hz): 2.74 μA
• Average current consumption in sleep mode: 0.1 μA
• Average measurement time (ultra-low power preset): 5.5 msec
• Resolution of data (Pressure): 0.18 Pa (equiv. to <10 cm)
• Resolution of data (Temperature): 0.01 K
• Absolute accuracy (p=950-1100hPa, T=0-+65°C): ~ ±1 hPa
• Relative accuracy pressure (typ., p=950-1050hPa, +25°C): ± 0.12 hPa (equiv. to ±1 m)
• Temperature coefficient offset (+25°-+40°C @900hPa): 1.5 Pa/K (equiv. to 12.6 cm/K)

Features:

• Extremely compact 8-pin metal-lid LGA package
• Low power consumption
• High accuracy and linearity
• Long term stability
• High EMC robustness
• Numerous device operation options to optimize power consumption, resolution, and filter performance
• New filter modes
• SPI interface (besides I²C)
• Footprint shrinkage by 63% with respect to BMP180
• I²C and SPI (3-wire/4-wire) digital, serial interfaces
• Two power modes: Normal mode and Forced mode
• Internal oversampling rates for pressure and temperature (1, 2, 4, 8, 16 times)
• Wide ranges for VDD and VDDIO supply voltages
• Altitude Content Provider ACP2.0 software available

Applications:

• 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 forecast
• Health care applications (e.g. spirometry)
• Vertical velocity indication (e.g. rise/sink speed)

Package:

• 8-Pin LGA with metal: 2.0 x 2.5 x 0.95 mm³

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