57.20 Analog Comparator (AC) Electrical Specifications

Table 57-28. Comparator Electrical Specifications
AC CHARACTERISTICSStandard Operating Conditions: VDDIN 2.5V to 3.6V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.TypMax.UnitsConditions
CMP_1VIOFFInput Offset Voltage——10mVComparator ref voltage = VDDIN/2

ACC_ACR.HYST = 0x0

No Hysteresis

CMP_4VINInput Voltage RangeGND + 0.2—VDDIN - 0.2mV—
CMP_5VHYST_00 Input Hysteresis Voltage—2050mVLow power ACC_ACR.ISEL = 0

Comparator ref voltage = VDDIN/2

ACC_ACR.HYST = 0x1 or 0x2

Medium Hysteresis

VHYST_01 Input Hysteresis Voltage—4090mVLow power ACC_ACR.ISEL= 0

Comparator ref voltage = VDDIN/2

ACC_ACR.HYST = 0x3

High Hysteresis

VHYST_02 Input Hysteresis Voltage—2560mVHigh speed ACC_ACR.ISEL = 1

Comparator ref voltage = VDDIN/2

ACC_ACR.HYST = 0x1 or 0x2

Medium Hysteresis

VHYST_03 Input Hysteresis Voltage—45110mVHigh speed ACC_ACR.ISEL=1

Comparator ref voltage = VDDIN/2

ACC_ACR.HYST = 0x3

High Hysteresis

CMP_15TRESPSSSmall Signal Response Time——1.5μsLow power ACC_ACR.ISEL= 0

Comparator ref voltage = VDDIN/2

ACC_ACR.HYST = 0x0,

Input overdrive = ± 100 mV

——0.15μsHigh speed ACC_ACR.ISEL = 1

Comparator ref voltage = VDDIN/2

ACC_ACR.HYST = 0x0

Input overdrive = ± 100 mV

CMP_23CVREFRNGComparator Voltage Reference Input Range(1)—(1)V—
Note:
  1. Comparator Ref voltage cannot exceed: VIN(max) - VIOFF(max) - CMP_5(max) - 50mV) ≥CMP_23 ≥ (VIN(min) + abs(VIOFF(min)) + CMP_5(max) + 50mV).