CPS120 Digital Barometer Data Sheet
■The CPS120 is a capacitive absolute pressure sensor solution with a fully calibrated pressure and temperature compensated digital output for low pressure applications, such as barometric sensing. Low current consumption (<1μA @ 25°C in Sleep Mode) and operating supply voltage range 2.3V to 5.5V targets battery and other low-power applications.
■The CPS120SiP (System-in-a-Package) solution comprises of an ultra-small capacitive MEMS pressure sensor and a conditioning ASIC for accurate pressure measurements. An integrated sigma-delta based ADC combined with internal calibration logic provides accurate pressure and temperature measurements to the application via the SPI or I²C interface. There is no need to separately download internal calibration coefficients and have the host microcontroller conduct complicated compensation calculations. Two selectable modes (Sleep and Update)and an external "Measurement Ready" pin ensure operational flexibility suitable for a wide range of applications.
●Benefits
■Low Power Consumption. Excellent for Battery and Other Low-Power Applications
■External Clock not Required
■High Resistance to Sensing Media
●Features
■Factory CalibratedPressure and Temperature Sensor
■Programmable Temperature and Pressure Sample Rate and Resolution (8, 10, 12 or 14bit)
■Sampling Rates as Fast as 0.7ms @ 8-bit, 1.6ms @ 10-bit, 5.0ms @ 12-bit, 18.5ms @14-bit
■Supply Voltage: 3.0V ±10%
■Absolute Temperature Range: -40°C to +85°C
■Pressure Accuracy: <±0.2kPa (<±2.0mbar) @ 25°C
■Temperature Accuracy: ±1.0°C
■Internal Logic with Two Selectable States (Sleep and Update Mode)
■Altitude Resolution Better Than 1.0meter (50cm) in Update Mode
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[ Altimeters ][ Portable Barometers ][ Stationary Barometers ][ Weather Stations ][ GPS Applications ][ Hard Disk Drives ][ HDD ][ Industrial Equipment ][ Air Control Systems ][ Vacuum Systems ] |
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Datasheet |
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Please see the document for details |
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LGA |
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English Chinese Chinese and English Japanese |
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23-OCT-2013 |
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Rev. 4.1 |
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DAT-0001 |
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1.3 MB |
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