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BMP085 Digital Pressure Sensor 300 to 1100hPa
Key features
- Pressure range:300 ... 1100hPa (+9000m ... -500m above sea level)
- Supply voltage: 1.8V ... 3.6V (VDDA)
1.62V ... 3.6V (VDDD)
- LCC8 package:Robust, ceramic lead-less chip carrier (LCC) package
- Small footprint:5.0mm x 5.0mm
- Super-flat:1.2mm height
- Low power:5µA at 1 sample / sec. in standard mode
- Low noise: 0.06hPa (0.5m) in ultra low power mode
0.03hPa (0.25m) ultra high resolution mode
< 0.1m possible with software averaging algorithm
- Temperature measurement included
- I2C interface
- Fully calibrated
- Pb-free, halogen-free and RoHS compliant,
- MSL 1
- Faster conversion time (standard mode each) 7.5ms (max.)
- Faster I2C data transfer max. 3.4MHz
- Extended min. supply voltage min. 1.8V
- Lower stand-by current (typ.) 0.1µA
- External clock :not necessary
Typical applications
• Enhancement of GPS navigation (dead-reckoning, slope detection, etc.)
• In- and out-door navigation
• Leisure and sports
• Weather forecast
• Vertical velocity indication (rise/sink speed)
Pin | Name | Function |
1 | GND | Ground |
2 | EOC | End of conversion output |
3 | VDDA | Power supply analog |
4 | VDDD | Power supply digital |
5 | NC | Not connected |
6 | SCL | I2C serial bus clock input |
7 | SDA | I2C serial bus data |
8 | XCLR | Master clear input |