CJMCU-3115 MPL3115A2 Barometric Pressure Altitude Intelligent Temperature Sensor Module 1

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CJMCU-3115 MPL3115A2 Barometric Pressure Altitude Intelligent Temperature Sensor Module

CJMCU-3115 MPL3115A2 Barometric Pressure Altitude Intelligent Temperature Sensor Module

The MPL3115A2 pressure sensor from Freescale's Xtrinsic is a cost-effective, smart, digital pressure sensor that provides accurate pressure, altitude, and temperature information with low power consumption, intelligence and no back-end data processing , To meet the needs of mobile devices, industrial and medical applications in many fields.

Thanks to the MPL3115A2's built-in full compensation algorithm and altitude algorithm, the sensor can output accurate 20-bit pressure readings or 20-position height readings directly with 12-bit temperature readings up to 30 cm effective resolution. From the beginning of measurement to the output of international standard units (Pascal, Meters and Celsius), the MCU only needs I2C read and write operations, and does not need any additional data processing. This effectively reduces MCU resources and greatly reduces system power consumption.

MPL3115A2 also supports on-chip pressure, height and temperature offset adjustment, autonomous data acquisition, limit alarm and extreme value logging. The sensor also provides up to 128 times the oversampling rate, 32 FIFO sampling buffer for data storage, the host can read the data on demand.

The MPL3115A2 is a smart choice for accurate pressure and height measurements.


• Absolute pressure measurement range: 20 to 110 kPa

Relative measurement accuracy: ± 0.05 kPa

• Effective resolution: 1.5Pa / 0.3m

• Operating temperature range: -40 to 85 ° C

• Supply voltage: 1.95 to 3.6 V.

• I / O supply voltage: 1.62 to 3.6 V.

• Power consumption:

- Standby mode: 2μA

- Low power mode: 8.5μA, 1Hz sampling

• Compensated data output

- 20 pressure data, the output unit Pascal

- 20-bit height data, the output unit meter

- 12-bit temperature data, the output unit degree C

• I2C digital output interface

• 2 programmable interrupt pins

• Built-in 32 sample FIFO buffer


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