48.19 Comparator Electrical Specifications

Table 48-27. Comparator AC Electrical Specifications
AC CHARACTERISTICSStandard Operating Conditions: VDDIO = AVDD 1.75V to 3.63V, VDDREG = 1.75V to 1.85V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typical(1)Max.UnitsConditions
CMP_1VIOFFInput Offset Voltage-8—8mVCOMPCTRLn.HYST = 0x3.

Comparator ref voltage = AVDD/2

CMP_4VINInput Voltage RangeAVSS—AVDDVWith respect to GND and AVDD
CMP_5VHYST_00 Input Hysteresis Voltage2—14mVCOMPCTRLn.HYST = 0x0.

Comparator ref voltage = AVDD/2

VHYST_01 Input Hysteresis Voltage6—26mVCOMPCTRLn.HYST = 0x1.

Comparator ref voltage = AVDD/2

VHYST_02 Input Hysteresis Voltage20—56mVCOMPCTRLn.HYST = 0x2.

Comparator ref voltage = AVDD/2

VHYST_03 Input Hysteresis Voltage34—85mVCOMPCTRLn.HYST = 0x3.

Comparator ref voltage = AVDD/2

CMP_15TRESPSSSmall Signal Response Time - High speed——64nsCOMPCTRLn.SPEED = 0x0

COMPCTRLn.HYST = 0x3

Comparator ref voltage = AVDD/2.

Input overdrive = +/- 180mV

Small Signal Response Time - Low Speed——260nsCOMPCTRLn.SPEED = 0x1

COMPCTRLn.HYST = 0x3

Comparator ref voltage = AVDD/2.

Input overdrive = +/- 180mV

CMP_19COUTVALComparator Enabled to Output Valid - High Speed——2μsComparator module is configured before enabling it

COMPCTRLn.SPEED = 0x0

Comparator Enabled to Output Valid - Low Speed——20μsComparator module is configured before enabling it

COMPCTRLn.SPEED = 0x1

CMP_23CVREFRNGComparator Voltage Reference Input Range(1)—(1)VSee Note 1
9
CMP_25FGCLK_ACAnalog comparator peripheral module clock freq——FCLK_49MHzSee FCLK_49 in Maximum Clock Frequencies
Note:
  1. Comparator reference voltage cannot exceed: (VIN(max) - VIOFF(max) - CMP_5(max) - 100 mV) ≥ CMP VREF ≥ (VIN(min) + abs(VIOFF(min)) + CMP_5(max) + 100 mV).
Table 48-28. DAC Module AC Electrical Specifications
AC CHARACTERISTICSStandard Operating Conditions: VDDIO = AVDD 1.75V to 3.63V, VDDREG = 1.75V to 1.85V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
DAC_1DRESDAC Resolution——7Bits—
DAC_7VOUTOutput Voltage RangeAVSS—AVDD - 1 LSBV —
DAC_17Tset_FSDAC Full Scale Settling Time——1.5µs+/-4 LSB of final value for step size from 10% to 90%
DAC_18aTholdDAC Holding Time0.29——msThis parameter applies only for Low-power mode:

DACCTRLn.SHENm = 0x1

Time for 1 LSB voltage loss of the DAC output

DAC_18b0.65——msThis parameter applies only for Low- power mode:

DACCTRLn.SHENm = 0x1

Time for 10 LSB voltage loss of the DAC output

SDAC_19INLIntegral Non Linearity-0.4—0.4LSB —
SDAC_21DNLDifferential Non Linearity0.05—0.4LSB —
SDAC_23GERRGain Error-1.2—-0.2LSB —
SDAC_25EOFFOffset Error-0.7—0.7LSBNormal mode:

DACCTRLn.SHENm = 0x0

-5.7—5.7LSBLow-Power mode:

DACCTRLn.SHENm = 0x1