48.12 Internal Voltage Reference Electrical Specifications

Table 48-15. Internal Voltage Reference DC Electrical Specifications
DC CHARACTERISTICSStandard Operating Conditions: VDDIO = AVDD 1.75V to 3.63V, VDDREG = 1.75V to 1.85V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typical (1)Max.UnitsConditions
VR_9ACIREF(2)Internal Comparator Voltage Reference 0.790.80.81VAC.COMPCTRLn.MUXNEG = Bandgap
VR_25TDRIFTInternal Voltage Reference Temperature Drift------0.34%/°COver full operating temperature range
VR_27VDRIFTInternal Voltage Reference Voltage Drift------2.328%/VOver full operating voltage range
Note:
  1. Data in Typical column is based on Typical material @ 25°C.
  2. See parameter CMP_23 for Comparator Reference voltage range information.