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Barometric sensor covers measurement range of 300hPa to 1250hPa

1st June 2018

Mick Elliott

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Datasheet

Featuring a temperature coefficient offset (TCO) between 20 and 65 degrees Celsius, Bosch’s small, low-power, low-noise BMP388 digital barometric sensor delivers accurate altitude measurement over a broad temperature range. It is available at Mouser Electronics.

The sensor uses proven sensing principles to provide pressure and temperature measurements. The 24-bit device covers a measurement range of 300hPa to 1250hPa while consuming just 3.4µA at 1Hz.

The sensor features a raw interrupt functionality for easy access to storage and data, while a built-in infinite impulse response (IIR) filter minimizes short-term disturbances like those caused by slamming doors or windows.

It is housed in a 10-pin, 2mm × 2mm × 0.75mm LGA metal-lid package and offers FIFO functionality that reduces power consumption while improving ease of use.

The compact device is ideal for altitude stabilisation in consumer drones, Internet of Things applications, vertical velocity indication, weather forecasting, health care applications, augmented reality (AR) and virtual reality (VR) devices, and enhanced GPS accuracy.