see table-43@P59,pls
Table 43. ADC accuracy(1)
Symbol Parameter Test conditions Typ(2) Max(2) Unit
ET Total unajusted error fPCLK2 = 28 MHz, fADC = 14 MHz, RAIN <10 kΩ, VDDA = 2.4 V to 3.6 V Measurements made after ADC calibration VREF+ = VDDA 3 5 LSB
EO Offset error 1 3
EG Gain error 1 ±2
ED Differential linearity error 3 3
EL Integral linearity error 2 4
1 ADC DC accuracy values are measured after internal calibration.
2 Data based on characterization, not tested in production.
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