ADC accuracy without internal re-calibration
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2019-01-15 7:37 AM
Hello,
I have an application, where I need ADC samples at a fixed rate, if the device is running.
So, I can do a ADC self-calibration at start up and while idle, but not while the application is running.
The application can run for several hours and the temperature can change a lot.
In the datasheet of the STM32f303RB there is a note
“ADC DC accuracy values are measured after internal calibration.�?
Is there a ADC specification, if the ADC self-calibration function is not called regularly?
Or is there any approximation for the temperature and long-term drift?
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ADC
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STM32F3 Series
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