NXP MPL3115A2R1 High‑Accuracy I²C Altimeter 20‑Bit Pressure Sensor (8‑Pin LGA)

The NXP MPL3115A2R1 is a top-tier, absolute pressure sensor with built-in altimetry and temperature measurement capabilities, perfectly positioned for precision-demanding global B2B and technical applications. Operates from 20 kPa to 110 kPa, covering altitudes worldwide; calibrated between 50 kPa and 110 kPa.

Product Unique Features

• Accuracy: Offers around ±0.4 kPa, ensuring dependable barometric readings.
• Output Resolution: High-resolution 20‑bit pressure/altitude and 12‑bit temperature measurements via fast I²C interface (up to 400 kHz).
• Power Supply: Flexible operation with 1.95 V to 3.6 V, digitally powered between 1.6 V and 3.6 V.
• Package & Rating: Compact 8‑LGA (5 × 3 × 1.1 mm) form factor; rugged performance across –40 °C to +85 °C.

How It Benefits Customers

• Eliminates MCU burden: internal compensation, plus a 24-bit ADC, handles conversion and compensation, simplifying the design.
• Autonomous Data Acquisition: Supports embedded 32‑sample FIFO, programmable acquisition intervals (1 s to 9 h), and intuitive interrupts for efficiency in power-sensitive deployments.
• High Precision Altimetry: Delivers accurate altitude readings (resolution around 0.3 m) with built-in conversion algorithms.

Applications Across Different Settings

Perfect for wearables, drones, environmental monitoring, GPS augmentation, weather stations, or any IoT device requiring compact, low-power, precise barometric, altimeter, and temperature sensing.