33.7.5 Analog Comparator Characteristics

Table 33-20. Electrical and Timing (Device Variant A)
SymbolParameterConditionsMin.Typ.Max.Units
Positive input voltage range0-VDDANAV
Negative input voltage range0-VDDANA
OffsetHysteresis = 0, Fast mode-150.0+15mV
Hysteresis = 0, Low power mode-250.0+25mV
HysteresisHysteresis = 1, Fast mode205080mV
Hysteresis = 1, Low power mode154075mV
Propagation delayChanges for VACM=VDDANA/2
 100mV overdrive, Fast mode-60116ns
Changes for VACM=VDDANA/2
 100mV overdrive, Low power mode-225370ns
tSTARTUPStartup timeEnable to ready delay
Fast mode-12μs
Enable to ready delay
Low power mode-1219μs
VSCALEINL (3)-1.40.75+1.4LSB
DNL (3)-0.90.25+0.9LSB
Offset Error (1,2)-0.2000.260+0.920LSB
Gain Error (1,2)-0.890.2150.89LSB
Note:
  1. According to the standard equation V(X) = VLSB * (X + 1); VLSB = VDDANA / 64.
  2. Data computed with the Best Fit method.
  3. Data computed using histogram.
Table 33-21. Electrical and Timing (Device Variant B)
SymbolParameterConditionsMin.Typ.Max.Units
Positive input voltage range0-VDDANAV
Negative input voltage range0-VDDANA
OffsetHysteresis = 0, Fast mode-150.0+15mV
Hysteresis = 0, Low power mode-250.0+25mV
HysteresisHysteresis = 1, Fast mode205080mV
Hysteresis = 1, Low power mode154075mV
Propagation delayChanges for VACM=VDDANA/2
 100mV overdrive, Fast mode-90180ns
Changes for VACM=VDDANA/2
 100mV overdrive, Low power mode-282520ns
tSTARTUPStartup timeEnable to ready delay
Fast mode-12.6μs
Enable to ready delay
Low power mode-1222μs
VSCALEINL(3)-1.40.75+1.4LSB
DNL (3)-0.90.25+0.9LSB
Offset Error (1,2)-0.2000.260+0.920LSB
Gain Error (1,2)-0.890.2150.89LSB
Note:
  1. According to the standard equation V(X) = VLSB * (X + 1); VLSB = VDDANA / 64.
  2. Data computed with the Best Fit method.
  3. Data computed using histogram.