36.15 VREF

Table 36-22. Internal Voltage Reference Characteristics
SymbolDescriptionMin.Typ.Max.Unit
TStartStart-up time-25-µs
VDDINT055VPower supply voltage range for INT055V1.8-5.5V
VDDINT11VPower supply voltage range for INT11V1.8-5.5
VDDINT15VPower supply voltage range for INT15V1.9-5.5
VDDINT25VPower supply voltage range for INT25V2.9-5.5
VDDINT43VPower supply voltage range for INT43V4.75-5.5
Table 36-23. ADC Internal Voltage Reference Characteristics(1)
Symbol(2)DescriptionConditionMin.Typ.Max.Unit
INT11VInternal reference voltage

VDD = [1.8V, 3.6V]
T = [0, 105]°C

-2.02.0%

INT055V
INT15V
INT25V

Internal reference voltage

VDD = [1.8V, 3.6V]
T = [0, 105]°C

-3.03.0

INT055V
INT11V
INT15V
INT25V
INT43V

Internal reference voltage

VDD = [1.8V, 5.5V]
T = [-40,   125]°C

-5.05.0
Note:
  1. These values are based on characterization and not covered by production test limits.
  2. The symbols INTxxV refer to the respective values of the ADC0REFSEL and DAC0REFSEL bit fields in the VREF.CTRLA register.
Table 36-24. DAC and AC Internal Voltage Reference Characteristics(1)
Symbol(2)DescriptionConditionMin.Typ.Max.Unit

INT055V
INT11V
INT15V
INT25V

Internal reference voltage

VDD = [1.8V, 3.6V]
T = [0, 105]°C

-3.03.0%

INT055V
INT11V
INT15V
INT25V
INT43V

Internal reference voltage

VDD = [1.8V, 5.5V]
T = [-40,  125]°C

-5.05.0
Note:
  1. These values are based on characterization and not covered by production test limits.
  2. The symbols INTxxV refer to the respective values of the ADC0REFSEL and DAC0REFSEL bit fields in the VREF.CTRLA register.