44.16 Analog Comparator (AC)

Table 44-18. Comparator AC Electrical Specifications
AC CHARACTERISTICSStandard Operating Conditions: VDD & VDDIO 2.7V to 5,5V (unless otherwise stated)

Operating temperature -40°C ≤ TA ≤ +125°C for Extended Temp

Param. No.SymbolCharacteristicsMin.Typical(1)Max.UnitsConditions
CMP_1VIOFF_00Input Offset Voltage-3333mV COMPCTRLx.HYST = 0x0

COMPCTRLx.SPEED = 0x0

VIOFF_01-3939mV COMPCTRLx.HYST = 0x1

COMPCTRLx.SPEED = 0x0

VIOFF_02-1717mV COMPCTRLx.HYST = 0x0

COMPCTRLx.SPEED = 0x3

VIOFF_03-1919mV COMPCTRLx.HYST = 0x1

COMPCTRLx.SPEED = 0x3

CMP_5VHYST_00 Input Hysteresis Voltage25179mV COMPCTRLx.HYST = 0x1

COMPCTRLx.SPEED = 0x0

VHYST_01 Input Hysteresis Voltage43145mV COMPCTRLx.HYST = 0x1

COMPCTRLx.SPEED = 0x3

CMP_15TRESPSS_LS(4)Small Signal Response Time, low speed234nsComparator ref voltage = VDDANA/2

COMPCTRLx.HYST = 0x0

Input overdrive = ± 100mv

COMPCTRL.SPEED = 0x0

CMP_17TRESPSS_HS(4)Small Signal Response Time, high speed68ns Comparator ref voltage = VDDANA/2

COMPCTRLx.HYST = 0x0

Input overdrive = ± 100 mv

COMPCTRLx.SPEED = 0x3

CMP_19COUTVAL_01Comparator Enabled to Output Valid13.6msComparator module is configured before enabling it

COMPCTRLx.SPEED = 0x0

COUTVAL_024msComparator module is configured before enabling it

COMPCTRLx.SPEED = 0x3

Note:
  1. Values in TYPICAL column are taken at 25°C .
  2. Comparator Ref voltage cannot exceed: (VIN(max) - VIOFF(max) - CMP_5(max) - 50mV) ≥ CMP VREF ≥ (VIN(min) + VIOFF(min) + CMP_5(max) + 50mV).
  3. See Internal Voltage Ref Spec Parameters: VR_9-VR_13.
  4. TRESP is measured from Vin transition to ACOUT (AC direct output) toggle. It takes into account only analog propagation delay.