Final data sheet BME280 Combined humidity and pressure sensor Bosch Sensortec BME280: Final data sheet Document revision 1.0 th Document release date November 11 , 2014 Document number BST-BME280-DS001-09 Technical reference code(s) 0 273 141 185 Notes Data in this document are subject to change without notice. Product photos and pictures are for illustration purposes only and may differ from the real products appearance. Final Datasheet Page 2 BME280 Environmental sensor 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 IC (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz) Supply voltage V main supply voltage range: 1.71 V to 3.6 V DD V interface voltage range: 1.2 V to 3.6 V DDIO Current consumption 1.8 A 1 Hz humidity and temperature 2.8 A 1 Hz pressure and temperature 3.6 A 1 Hz humidity, pressure and temperature 0.1 A in sleep mode Operating range -40+85 C, 0100 % rel. humidity, 3001100 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 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 Health monitoring / well-being Warning regarding dehydration or heat stroke Spirometry (measurement of lung 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 and gaming, e.g flying toys Camera (DSC, video) and portable health care devices Home weather stations, flying toys and smart watches BST-BME280-DS001-09 Revision 1.0 November 2014 Bosch Sensortec Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany. Note: Specifications within this document are subject to change without notice.