MPL115A2T1

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1. Description

The MPL115A2T1 is an absolute pressure sensor with a digital I2C output targeting low cost applications. A miniature 5 x 3 x 1.2 mm LGA package is ideally suited for the space constrained requirements of portable electronic devices. Low current consumptions of 5 μA during Active mode and 1 μA during Shutdown (Sleep) mode are essential when focusing on low-power applications. The wide operating temperature range spans from – 40 °C to +105 °C to fit demanding environmental conditions. The MPL115A2 employs a MEMS pressure sensor with a conditioning IC to provide accurate pressure measurements from 50 to 115 kPa. An integrated ADC converts pressure and temperature sensor readings to digitized outputs via a I2C port. Factory calibration data is stored internally in an on-board ROM. Utilizing the raw sensor output and calibration data, the host microcontroller executes a compensation algorithm to render Compensated Absolute Pressure with ±1 kPa accuracy. The MPL115A2 pressure sensor’s small form factor, low power capability, precision, and digital output optimize it for barometric measurement applications.

2. Features

    1. Digitized pressure and temperature information together with programmed calibration coefficients for host micro use.

    2. Factory calibrated

    3. 50 kPa to 115 kPa absolute pressure

    4. ±1 kPa accuracy

    5. 2.375 V to 5.5 V supply

    6. Integrated ADC

    7. I2C Interface (operates up to 400 kHz)

    8. 7-bit I2C address = 60h

    9. Monotonic pressure and temperature data outputs

  10. Surface mount RoHS compliant package

3. Applications

    1. Barometry (portable and desktop)

    2. Altimeters

    3. Weather stations

    4. Hard-disk drives (HDD)

    5. Industrial equipment

    6. Health monitoring

    7. Air control systems

4. Pin configuration

5. Pin description