MPL3115A2 I2C Barometric Pressure Altitude Sensor Module

The MPL3115A2 I2C Barometric Pressure Altitude Sensor Module is a MEMS pressure sensor module for pressure, altitude, and temperature measurement. It provides digital output over I2C and supports direct reading. Pressure output is available in Pascal, altitude output is available in meters, and temperature measurement is available in degrees Celsius. The module includes a built-in FIFO buffer and programmable event capability. It is designed for digital interfacing with microcontrollers and electronics projects that require barometric sensing.

Features of MPL3115A2 I2C Barometric Pressure Altitude Sensor Module

• MEMS pressure sensing
• I2C digital output
• Direct reading support
• 20-bit pressure measurement
• 20-bit altitude measurement
• 12-bit temperature measurement
• Programmable event capability
• 32-sample FIFO buffer

Specifications of MPL3115A2 I2C Barometric Pressure Altitude Sensor Module

• Supply voltage: 1.95 to 3.6 V
• Internal LDO regulation
• Digital interface supply voltage: 1.6 to 3.6 V
• Pressure measurement: 20-bit, Pascal
• Altitude measurement: 20-bit, meter
• Temperature measurement: 12-bit, degrees Celsius
• Programmable events
• FIFO: 32 samples
• Data logging up to 12 days using FIFO
• Data acquisition rate: 1 second to 9 hours
• Digital output interface: I2C up to 400 kHz

How to Use MPL3115A2 I2C Barometric Pressure Altitude Sensor Module

1. Connect the module to a compatible microcontroller with I2C support.
2. Apply the required supply voltage and digital interface voltage.
3. Read pressure, altitude, and temperature data through the I2C interface.

More Info

• Pressure output is expressed in Pascal.
• Altitude output is expressed in meters.
• Temperature output is expressed in degrees Celsius.