MS5803-14BA
Overview
The MS5803-14BA is a high-resolution absolute pressure sensor module designed for applications requiring precise measurements up to 14 bar (1.4 MPa). It combines a piezoresistive sensor element with a 24-bit Sigma-Delta ADC and an internal oscillator, enabling accurate pressure and temperature data without external components. Its hermetically sealable design and gel protection make it suitable for outdoor and water-submersible equipment.
Why Choose This Part
The module offers exceptional design flexibility by supporting both I2C and SPI communication protocols. Its 24-bit ADC provides high-resolution data while the internal factory-calibrated coefficients ensure excellent long-term stability and temperature compensation without needing additional calibration hardware.
Applications
Key Specifications
Getting Started
Engineers can interface this sensor directly with any 1.8V to 3.6V microcontroller using standard I2C or SPI libraries. To begin development, look for MS5803 breakout boards from ecosystem providers like SparkFun or Parallax to verify code on a breadboard. Initial firmware must read the 128-bit PROM to retrieve calibration coefficients used in the pressure and temperature calculation algorithms.
