43.22 Comparator AC Electrical Specifications

Table 43-27. Comparator AC Electrical Specifications
AC CharacteristicsStandard Operating Conditions: VDDIO = VDDANA 1.9V to 3.6V (unless otherwise stated) Operating Temperature: -40°C ≤ TA ≤ +85°C for Industrial Temp

-40°C ≤ TA ≤ +125°C for Extended Temp
Param. No.SymbolCharacteristicsMin.Typ.(1)Max.UnitsConditions
CMP_1VIOFF_00Input offset voltage-1616mVVDDANA = VDDIO (min-to-max)
CMP_3VICMInput Common mode voltage0AVDDVVDDANA = VDDIO (min-to-max)
CMP_4VINInput voltage rangeAVSSAVDDVWith respect to GND and VDDANA
CMP_15TRESPSSSmall signal response time100160nsVDDANA = VDDIO (min-to-max), Comparator ref voltage = VDDANA/2, Input overdrive = ± 100 mV
CMP_19COUTVALComparator enabled to output valid31μsComparator module is configured before enabling it
CMP_21ACIREFComparator internal band gap voltage reference1.1641.236V

VDDANA = 3.3V,

T = 25°C

(±-3%) - Uncalibrated

CMP_221.1941.206V

VDDANA = 3.3V,

T = 25°C

(±-0.5%) - Calibrated

CMP_23CVREFRNGComparator voltage reference input rangeAVSSAVDDV
CMP_25FGCLK_ACAnalog comparator peripheral module clock freq 64MHzVDDANA = VDDIO (min-to-max)
Note:
  1. These parameters are characterized but not tested in manufacturing.
  2. Values in typical column area taken at 25°C.
  3. Comparator Ref voltage cannot exceed: (VIN(max) – VIOFF(max) – CMP_5(max) - 50 mV) ≥ CMP VREF ≥ (VIN(min) + VIOFF(min) + CMP_5(max) + 50 mV)