Analog Comparator Characteristics

Table 1. 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
Notes:
  1. 1.According to the standard equation V(X)=VLSB*(X+1); VLSB=VDDANA/64.
  2. 2.Data computed with the Best Fit method.
  3. 3.Data computed using histogram.
Table 2. 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
Notes:
  1. 1.According to the standard equation V(X)=VLSB*(X+1); VLSB=VDDANA/64.
  2. 2.Data computed with the Best Fit method.
  3. 3.Data computed using histogram.