IMX6ULLIEC.pdf, page 98
|Analog Source Resistance|
12 bit mode f ADCK =
RAS depends on Sample Time Setting (ADLSMP, ADSTS) and ADC Power Mode (ADHSC, ADLPC). See charts for Minimum Sample Time vs RAS.
Where can I find these "charts" with RAS vs. minimum sample time? What is the largest RAS value which the ADC can handle (at the lowest possible sampling time)?