BMP280
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Краткое описание:
Peizoresistive Sensor, Absolute, 4.351Psi Min, 15.95Psi Max, Rectangular, Surface Mount, LGA-8
Дополнительная информация
The BMP280 is a compact, high-performance digital pressure sensor from Bosch Sensortec, built using proprietary APSM MEMS technology. It features a Piezo-resistive sensing element and mixed-signal ASIC, offering high EMC robustness, accuracy, linearity, and long-term stability. Housed in an 8-pin metal-lid LGA package (2.0 x 2.5 x 0.95 mm³), it is ideal for mobile applications like smartphones, tablets, GPS devices, and watches due to its small size and low power consumption (2.7 μA @1Hz). As a successor to the BMP180, it delivers improved performance, lower noise, new filter modes, and SPI interface within a 63% smaller footprint. It supports I2C (up to 3.4 MHz) and SPI (up to 10 MHz) digital interfaces and includes an internal IIR filter to suppress short-term disturbances. Key applications include GPS navigation enhancement, indoor/outdoor navigation, weather forecasting, and vertical velocity indication.
| RoHS | Directive 2011/65/EU compliant |
| REACH | Compliant |
| ESD CDM | ±500V |
| ESD HBM | ±2kV |
| Halogen-free | Yes |
| Military Spec | False |
| Start-up Time | 2ms |
| Number of Bits | 20 |
| Termination Type | SOLDER |
| ESD Machine Model | ±200V |
| Supply Voltage-Max | 3.6 |
| Supply Voltage-Min | 1.71 |
| Standby Time Accuracy | ±5 to ±25% |
| Absolute Maximum Pressure | 0 to 20000hPa |
| Max Operating Temperature | 85 |
| Min Operating Temperature | -40 |
| I2C Interface Compatibility | Philips I2C Specification version 2.1 (Standard, Fast, High Speed modes) |
| SPI Interface Compatibility | Mode '00' (CPOL=CPHA='0') and Mode '11' (CPOL=CPHA='1') |
| Long Term Stability (12 months) | ±1.0hPa |
| Power Supply Rejection Ratio (DC) | ±0.005Pa/mV |
| Sleep Current (IDDSL) Max (25°C) | 0.3μA |
| Sleep Current (IDDSL) Typ (25°C) | 0.1μA |
| Standby Current (IDDSB) Max (25°C) | 0.5μA |
| Standby Current (IDDSB) Typ (25°C) | 0.2μA |
| Absolute Maximum Storage Temperature | -45 to +85°C |
| Interface Supply Voltage (VDDIO) Max | 3.6V |
| Interface Supply Voltage (VDDIO) Min | 1.2V |
| Interface Supply Voltage (VDDIO) Typ | 1.8V |
| Absolute Accuracy Temperature (25°C) | ±0.5°C |
| Absolute Maximum Interface Pin Voltage | -0.3 to VDDIO + 0.3V |
| Absolute Accuracy Temperature (0-65°C) | ±1.0°C |
| Solder Drifts (min 50µm solder height) | -0.5 to +2hPa |
| Possible Sampling Rate (osrs_t=osrs_p=1) | 157 to 182Hz |
| Current at Temperature Measurement (IDDT) | 325μA |
| Peak Current (during pressure measurement) Max | 1120μA |
| Peak Current (during pressure measurement) Typ | 720μA |
| Absolute Maximum Supply Voltage (VDD and VDDIO) | -0.3 to 4.25V |
| Output Data Resolution (Pressure, Ultra High Resolution) | 0.0016hPa |
| Noise in Pressure (Full Bandwidth, Ultra High Resolution) | 1.3Pa |
| Noise in Pressure (Lowest Bandwidth, Ultra High Resolution) | 0.2Pa |
| Output Data Resolution (Temperature, Ultra High Resolution) | 0.01°C |
| Noise in Pressure Equivalent (Full Bandwidth, Ultra High Resolution) | 11cm |
| Noise in Pressure Equivalent (Lowest Bandwidth, Ultra High Resolution) | 1.7cm |
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