The recommended PCB layout for the MPX2102DP involves placing the sensor on a dedicated PCB with a solid ground plane, using a 4-layer PCB with a dedicated analog ground layer, and keeping the analog and digital traces separate to minimize noise and interference.
The MPX2102DP requires a two-point calibration process, where the sensor is exposed to two known pressure points (e.g., atmospheric pressure and a known pressure reference) and the output voltage is measured and recorded. The calibration data can then be used to create a linearization curve for the sensor.
The MPX2102DP's accuracy is affected by temperature, with a typical temperature coefficient of ±0.5% FS/°C. This means that the sensor's output voltage will change by ±0.5% of the full-scale range for every 1°C change in temperature. Temperature compensation is recommended to achieve accurate pressure measurements.
The MPX2102DP is not designed for use in humid or wet environments, as it is not hermetically sealed and can be damaged by moisture. If the sensor must be used in a humid or wet environment, it is recommended to use a protective coating or enclosure to prevent moisture ingress.
The MPX2102DP requires a stable power supply with a voltage range of 4.75V to 5.25V. A low-noise, regulated power supply is recommended to minimize noise and ensure accurate pressure measurements.
