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BME280 Datasheet(PDF) 2 Page - Bosch Sensortec GmbH |
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BME280 Datasheet(HTML) 2 Page - Bosch Sensortec GmbH |
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2 / 60 page  Bosch Sensortec | BME280 Data sheet 2 | 60 Modifications reserved | Data subject to change without notice Document number: BST-BME280-DS001-23 Revision_1.23_012022 BME280 Digital humidity, pressure and temperature sensor Key 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 µA @ 1 Hz humidity and temperature 2.8 µA @ 1 Hz pressure and temperature 3.6 µA @ 1 Hz humidity, pressure and temperature 0.1 µA 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 • Register and performance compatible to Bosch Sensortec BMP280 digital pressure sensor • RoHS compliant, halogen-free, MSL1 Key parameters for humidity sensor • Response time (������������63%) 1 s • Accuracy tolerance ±3 % relative humidity • Hysteresis ±1% relative humidity Key parameters for pressure sensor • RMS Noise 0.2 Pa, equiv. to 1.7 cm • Offset temperature coefficient ±1.5 Pa/K, equiv. to ±12.6 cm at 1 °C temperature change Typical application • Context awareness, e.g. skin detection, room change detection • Fitness monitoring / well-being • Warning regarding dryness or high temperatures • Measurement of volume and air flow • Home automation control • control heating, venting, air conditioning (HVAC) • Internet of things • GPS enhancement (e.g. time-to-first-fix improvement, dead reckoning, slope detection) • Indoor navigation (change of floor detection, elevator detection) • Outdoor navigation, leisure and sports applications • Weather forecast • Vertical velocity indication (rise/sink speed) Target devices • Handsets such as mobile phones, tablet PCs, GPS devices • Navigation systems • Gaming, e.g flying toys • Camera (DSC, video) • Home weather stations • Flying toys • Watches |
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