BMP180 is a high accuracy mini size ultra-low power pressure sensor can be used in mobile devices; Excellent performance absolute accuracy minimum up to 0.03hPa and ultra-low power consumption only 3μA; BMP180 adopts 8-pin leadless ceramic chip carrier (LCC) super thin encapsulation; Directly connect to microprocessor via I2C highway; Main features: Pressure range: 300~1100hPa (altitude -500~9000 meters); Power voltage: 1.8~3.6V (VDDA) 1.62V~3.6V (VDDD); LCC8 encapsulation: Lead-free ceramics carrier encapsulation (LCC); Low power consumption: 5μA; Under standard mode high accuracy: lower power consumption mode: resolution is 0.06hPa (0.5 meters); High linear mode: resolution is 0.03hPa (0.25 meters); With temperature output I2C interface temperature compensation lead-free meets RoHS standard MSL 1 response tme: 7.5ms; Standby current: 0.1μA; No need external clock circuit; Typical applications: GPS pinpoint navigation (dead reckoning etc.) indoor / outdoor navigation relaxation sports and medical treatment and health monitor etc.; Weather forecast vertical speed indicating (rising velocity / sinking speed) fan power control