HP303B，一款适用于移动和可穿戴设备以及物联网（IoT）设备的+/-5厘米超高分辨率微型MEMS（微机电系统）压力传感器新品。HP303B采用了成熟的半导体工艺，并兼具超高分辨率、良好的温度稳定性、低功耗运行和小巧的封装尺寸，允许开发人员改善各种应用的功能，提升用户体验，包括从辅助定位和导航，到运动和健身，再到实时天气监测。
Features
• Operation range: Pressure: 300 –1200 hPa. Temperature: -40 – 85 °C.
• Pressure sensor precision: ± 0.005 hPa (or ±0.05 m) (high precision mode).
• Relative accuracy: ± 0.06 hPa (or ±0.5 m)
• Absolute accuracy: ± 1 hPa (or ±8 m)
• Temperature accuracy: ± 0.5°C.
• Pressure temperature sensitivity: 0.5Pa/K
• Measurement time: Typical: 27.6 ms for standard mode (16x). Minimum: 3.6 ms for low precision
mode.
• Average current consumption: 1.7 μA for Pressure Measurement, 1.5uA for Temperature
measurement @1Hz sampling rate, Standby: 0.5 μA.
• Supply voltage: VDDIO: 1.2 – 3.6 V, VDD: 1.7 – 3.6 V.
• Operating modes: Command (manual), Background (automatic), and Standby.
• Calibration: Individually calibrated with coeicients for measurement correction.
• FIFO: Stores up to 32 pressure or temperature measurements.
• Interface: I 2 C and SPI (both with optional interrupt)
• Package dimensions: 8-pin LGA 3.6 mm x 3.8 mm x 1.2 mm.
• Green Product (RoHS) Compliant
Typical Applications
• Indoor Navigation (floor detection e.g. in shopping malls and parking garages)
• Health and Sports (accurate elevation gain and vertical speed)
• Outdoor Navigation (GPS start-up time and accuracy improvement, dead-reckoning e.g. in tunnels)
• Weather Station('Micro-weather' and local forecasts)
• HDD drivers, (leak rate detection in hard disk drives)
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