The BMP388 digital air pressure sensor is a very compact, low power and low noise 24-bit sensor. This absolute air pressure sensor is based on proven sensing principles for pressure and temperature measurements. The BMP388 sensor offers outstanding design flexibility and is specifically designed for a wide range of height tracking applications. The sensor offers a best-in-class temperature coefficient offset (TCO) between 0°C and 65°C for accurate height measurement over a wide temperature range. The digital sensor has low power consumption of 3.4μA at 1Hz and a wide measurement range from 300hPa to 1250hPa.

Application:

• Vertical speed indication (eg rise/fall speed).

• Internet of Things

• Enhanced GPS navigation

               (For example, the first time to repair the improvement, dead reckoning, slope detection). Indoor navigation positioning (Floor detection, elevator detection)

• Outdoor navigation, leisure and sports applications. Weather forecast

• Healthcare applications (eg spirometry)

• Fitness applications such as enhanced calorie testing

• AR&VR application.

• Environmental awareness;

 

Target device:

• Flying drone

• Mobile phones, tablets, GPS devices and other mobile phones. Navigation System

• Portable medical device

• Family weather station.

• Watch

• Large household appliances

Parameter:

• Digital interface: I2C (up to 3.4 MHz) and SPI (3-wire and 4-wire, up to 10 MHz)

• Supply voltage: VDD main supply voltage range: 1.71V to 3.6V

• VDDIO interface voltage range: 1.2 V to 3.6 V

• Relative accuracy: typical value ± 8 pa, equal to ± 0.50 m

•                 (700…900 hpa, 25….40°C)

• Current consumption: 3.4 microamps at 1 Hz pressure and temperature,  2.0 microamps in sleep mode

• Working range: -40 ‒ +85 °C, 300‒1250 hPa

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