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Digital barometric pressure sensor

BMP280 Internal Circuitry

Explore the internal circuitry and functional stages of BMP280.

Inside BMP280

A compact sensing and conversion path inside the metal package.

BMP280 cutaway with sensing elements, ADC, calibration NVM and serial registers.
Original functional architecture; compensation is performed by host software.

Explore the circuit

Select a stage to see its role and connections

Sense

A piezoresistive MEMS element responds to absolute pressure.

Convert

Oversampling and filtering control noise and response.

Compensate

The host combines raw results with individual calibration coefficients.

Component view