32.10.6 Analog Comparator Characteristics

Table 32-32. Electrical and Timing (Device Variant A)
Symbol Parameter Conditions Min. Typ. Max. Units
Positive input voltage range 0 - VDDANA V
Negative input voltage range 0 - VDDANA
Offset Hysteresis = 0, Fast mode -15 0.0 +15 mV
Hysteresis = 0, Low power mode -25 0.0 +25 mV
Hysteresis Hysteresis = 1, Fast mode 20 50 80 mV
Hysteresis = 1, Low power mode 15 40 75 mV
Propagation delay Changes for VACM = VDDANA/2
 100 mV overdrive, Fast mode - 60 116 ns
Changes for VACM = VDDANA/2
 100 mV overdrive, Low power mode - 225 370 ns
tSTARTUP Startup time Enable to ready delay
Fast mode - 1 2 μs
Enable to ready delay
Low power mode - 12 19 μs
VSCALE INL (3) -1.4 0.75 +1.4 LSB
DNL (3) -0.9 0.25 +0.9 LSB
Offset Error (1,2) -0.200 0.260 +0.920 LSB
Gain Error (1,2) -0.89 0.215 0.89 LSB
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 32-33. Electrical and Timing (Device Variant B)
Symbol Parameter Conditions Min. Typ. Max. Units
Positive input voltage range 0 - VDDANA V
Negative input voltage range 0 - VDDANA
Offset Hysteresis = 0, Fast mode -15 0 15 mV
Hysteresis = 0, Low power mode -25 0 25 mV
Hysteresis Hysteresis = 1, Fast mode 20 50 80 mV
Hysteresis = 1, Low power mode 15 40 75 mV
Propagation delay Changes for VACM=VDDANA/2 100 mV overdrive, Fast mode - 90 180 ns
Changes for VACM=VDDANA/2 100 mV overdrive, Low power mode - 282 520 ns
tSTARTUP Startup time Enable to ready delay Fast mode - 1 2.6 µs
Enable to ready delay Low power mode - 12 22 µs
VSCALE INL (3) -1.4 0.75 1.4 LSB
DNL (3) -0.9 0.25 0.9 LSB
Offset Error (1,2) -0.2 0.26 0.92 LSB
Gain Error (1,2) -0.89 0.215 0.89 LSB
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.