46.11.3 Brown-Out Detectors (BOD) Characteristics

Table 46-20. BOD33 Characteristics (BOD33.VREFSEL = 0)
SymbolParametersConditionsMin.Typ.Max.Unit
VBOD+(2)BOD33 high threshold levelBOD33.LEVEL = 61.661.681.70V
BOD33.LEVEL = 71.701.721.74
BOD33.LEVEL = 392.792.842.89
BOD33.LEVEL = 483.123.183.20
VBOD- / VBOD(2)BOD33 low threshold levelBOD33.LEVEL = 61.611.641.65V
BOD33.LEVEL = 71.651.671.68
BOD33.LEVEL = 392.742.782.80
BOD33.LEVEL = 483.043.093.11
-Step size--34-mV
VHYSHysteresis (VBOD+ - VBOD-) BOD33.LEVEL = 0x0 to 0x3F40-180mV
TSTART(1)Startup timetime from enable to RDY-3.2-µs
Note:
  1. These values are based on simulation. They are not covered by production test limits or characterization.
  2. With BOD33.VREFSEL = 0 and no hysteresis configured, BOD levels can be given as:

    VBOD+ = VBOD- = 1.43 + BOD33.LEVEL * Step_size

Table 46-21. BOD33 Characteristics (BOD33.VREFSEL = 1)
SymbolParametersConditionsMin.Typ.Max.Unit
VBOD+(2)BOD33 high threshold levelBOD33.LEVEL = 171.621.701.79V
BOD33.LEVEL = 181.651.731.81
BOD33.LEVEL = 592.862.963.08
BOD33.LEVEL = 632.973.083.20
VBOD- / VBOD(2)BOD33 low threshold levelBOD33.LEVEL = 171.591.651.72V
BOD33.LEVEL = 181.621.681.75
BOD33.LEVEL = 592.732.832.94
BOD33.LEVEL = 632.832.943.06
-Step size--28-mV
VHYSHysteresis (VBOD+ - VBOD-) BOD33.LEVEL = 0x0 to 0x3F30-150mV
TSTART(1)Startup timetime from enable to RDY-3.2-µs
Note:
  1. These values are based on simulation. They are not covered by production test limits or characterization.
  2. With BOD33.VREFSEL = 1 and no hysteresis configured, BOD levels can be given as:

    Vbod+ = Vbod- = 1.17 + BOD33.LEVEL * Step_size

Table 46-22. BOD33 Power Consumption (1)
SymbolParametersConditionsTaMin.Typ.MaxUnits
IDDIDLE, mode CONT VCC = 1.8V

Max.
at 85°C

Typ.
at 25°C

-17.420.9µA
VCC = 3.3V-28.534.7
IDLE, mode SAMPLVCC = 1.8V-0.020.09
VCC = 3.3V-0.040.10
STDBY, mode SAMPLVCC = 1.8V-0.110.12
VCC = 3.3V-0.230.28
Note:
  1. These values are based on characterization. They are not covered in test limits in production.