40.8 Internal Voltage Reference Specifications (IVREF)

Table 40-10. Internal Voltage Reference DC Electrical Specifications
DC CHARACTERISTICSStandard Operating Conditions: VDD and VDDIO 2.7V to 5.5V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +125°C for Extended Temp

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
VR_25TDRIFTInternal Voltage Reference Temperature Drift-0.025/0.04%/°C Over [-40, +25]°C
-0.015/0.03%/°COver [+25, +125]°C
Note:
  1. ADC Internal Voltage Reference voltage 2.4V ≤ IREF ≤ AVDD.
  2. ADC reference voltages < 2.4V, (i.e., < 500µV/step), is not practical and peripheral performance is not guaranteed.
  3. See parameter CMP_23 for Comparator Ref voltage range information.