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                MEMS传感器

                BMP581

                BMP581

                The BMP581 is the new benchmark in the field of barometric pressure sensors and impresses with its enormous accuracy

                产品特性

                The BMP581 is the new benchmark in the field of barometric pressure sensors and impresses with its enormous accuracy. This enables endless and new use cases such as fitness tracking where accurate altitude change is key. The low power and low noise 24 bit absolute barometric pressure sensor significantly improved its accuracy compared to previous generations at smallest size. It offers outstanding design flexibility, providing a single package solution that customers can easily integrate into a multitude of existing and upcoming devices such as GPS modules, wearables, hearables, smart home, IoT and industrial products.

                High performance barometric pressure sensor #BMP581

                Technical data

                ParameterTechnical data
                Package dimensions
                2.0 x 2.0 x 0.75 mm3 metal lid LGA
                Operating range
                (full accuracy)
                Pressure: 300 … 1250 hPa
                Supply voltage VDDIO
                1.08 V … 3.6 V
                Supply voltage VDD
                1.65 V … 3.6 V
                Interface
                I2C (up to 1.0 MHz), I3C, and SPI (3 and 4 wire, up to 10 MHz)
                Average typical current consumption (1 Hz data rate)
                1.3 μA @ 1 Hz pressure and temperature, 0.5 μA in deep standby mode
                Absolute accuracy
                P=300 ...1100 hPa
                (T=-5 … 65°C)
                ±30 Pa
                Relative accuracy
                Pressure (typ.)
                P=700…1100 hPa
                (T=15 … 55°C)

                ±6 Pa
                (equivalent to ±0.5 m)
                Noise in pressure
                lowest bandwidth, highest resolution
                0.08 Pa
                Temperature coefficient offset (typ.)
                P=300 hPa ...1100 hPa
                (T=-5 ... 65°C)
                ± 0.5 Pa/K
                Long-term drift
                (12 months)
                ±0.1 hPa
                Solder drift
                ±0.3 hPa
                Maximum sampling rate
                480 Hz (continous mode)


                产品应用
                • 健身和康乐可穿戴设备
                • 水位检测
                • 跌落检测
                • 定位应用,例如发生紧〒急呼叫时的楼层检测 (E-911)
                • 室内导航和增强※的GPS精度 


                规格
                型号DataSheetDimension (mm)Description