37.11 Analog Comparator (AC) Electrical Specifications

Table 37-21. Analog Comparator Electrical Specifications
Standard operating conditions: VDDIO = AVDD = 1.8V to 5.5V (Unless otherwise stated)

Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
CMP_1VIOFF_00Input offset voltage—± 5—mVCOMPCTRLA.HYSTEN = 0x0

Comparator ref voltage = AVDD/2

VDD = 3.0V
VIOFF_01—±15—mVCOMPCTRLA.HYSTEN = 0x0

0.1V < VIN < (VDD - 0.1V)

VDD = 3.0V
CMP_4VINInput voltage rangeGND—VDDmVWith respect to GND and AVDD
CMP_5VHYST_00 Input hysteresis voltage—10—mVComparator ref voltage = AVDD/2

COMPCTRLA.HYSTEN = 0x1

CMP_15tRESPSSSmall signal response time—120—ns

Comparator ref voltage = AVDD/2

COMPCTRLA.HYSTEN = 0x0

VDD = 3.0V

Input overdrive = ±50 mV
CMP_19COUTVALComparator enabled to output valid—1.3—µsComparator module is configured before enabling it
CMP_25fGCLK_ACAnalog comparator peripheral module clock frequency——FCLK_49MHz—