I am using pressure sensor MPX5999D for the project. I need to do testing. For that i need to know the information regarding
1. whether the output voltage of sensor increases or decreases with respect to temperature.
2.Drift over time
3.Reliability
4.Error budget calculation
5.Test report.
It will be helpful for testing the sensor if you provide these information.
Thank you
varshini
Hi Varshini,
Please find my answers below:
It is always better to re-measure the offset value during the life of the application, so the drift over time is taken in to account and compensated.
Please find attached a document on how to calculate the errors involved for the accuracy if you wish to add them to you application so that they can be compensated. I believe this is the kind of information you are looking for, I hope you find it useful.
Also please find in the link below a known technique used to compensate the Minimum Pressure Offset of our devices, this technique is called Auto-Zeroing, and you have to simply record the offset of the device so that it can be taken off you readings.
AN1636: Implementing Auto Zero for Integrated Pressure Sensors to achieve higher accuracy.
http://www.nxp.com/assets/documents/data/en/application-notes/AN1636.pdf
5.Test report.
[A5] We do not provide test report for our pressure sensors, you can probably get the FIT and MTBF values, however, you would need to create a new case to request this information since it is provided from a different support team dedicated to quality reports.
Have a great day,
Jose
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