51.20 Comparator Electrical Specifications

Table 51-28. Comparator AC Electrical Specifications
AC CHARACTERISTICSStandard Operating Conditions: VDDREG = VDDIO = AVDD 1.71V to 3.63V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typ.(1)Max.UnitsConditions
CMP_1VIOFFInput Offset Voltage-88mVCOMPCTRLn.HYST = 0x3.

Comparator ref voltage = AVDD/2

CMP_4VINInput Voltage RangeAVSSAVDDVWith respect to GND and AVDD
CMP_5VHYST_00 Input Hysteresis Voltage214mVCOMPCTRLn.HYST = 0x0.

Comparator ref voltage = AVDD/2

VHYST_01 Input Hysteresis Voltage626mVCOMPCTRLn.HYST = 0x1.

Comparator ref voltage = AVDD/2

VHYST_02 Input Hysteresis Voltage2056mVCOMPCTRLn.HYST = 0x2.

Comparator ref voltage = AVDD/2

VHYST_03 Input Hysteresis Voltage3485mVCOMPCTRLn.HYST = 0x3.

Comparator ref voltage = AVDD/2

CMP_15TRESPSS ain<0:1>Small Signal Response Time - High speed 64nsCOMPCTRLn.SPEED = 0x0

COMPCTRLn.MUXPOS = 0x0

COMPCTRLn.MUXNEG = 0x1

COMPCTRLn.HYST = 0x3

Comparator ref voltage = AVDD/2.

Input overdrive = +/- 180 mV

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

COMPCTRLn.MUXPOS = 0x0

COMPCTRLn.MUXNEG = 0x1

COMPCTRLn.HYST = 0x3

Comparator ref voltage = AVDD/2.

Input overdrive = +/- 180mV

TRESPSS ain<2:3>Small Signal Response Time - High speed 100nsCOMPCTRLn.SPEED = 0x0

COMPCTRLn.MUXPOS = 0x2

COMPCTRLn.MUXNEG = 0x3

COMPCTRLn.HYST = 0x3

Comparator ref voltage = AVDD/2.

Input overdrive = +/- 180mV

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

COMPCTRLn.MUXPOS = 0x2

COMPCTRLn.MUXNEG = 0x3

COMPCTRLn.HYST = 0x3

Comparator ref voltage = AVDD/2.

Input overdrive = +/- 180 mV

CMP_19COUTVALComparator Enabled to Output Valid - High Speed2msComparator module is configured before enabling it

COMPCTRLn.SPEED = 0x0

Comparator Enabled to Output Valid - Low Speed20msComparator module is configured before enabling it

COMPCTRLn.SPEED = 0x1

CMP_23CVREFRNGComparator Voltage Reference Input RangeV(1)
CMP_25FGCLK_ACAnalog comparator peripheral module clock freqFCLK_49MHzSee FCLK_49 in Maximum Clock Frequencies table
Note:
  1. Comparator Ref voltage cannot exceed: VIN(max) - VIOFF(max) - CMP_5(max) - 100mV) ≥CMP_23 ≥ (VIN(min) + abs(VIOFF(min)) + CMP_5(max) + 100mV).
Table 51-29. DAC Module AC Electrical Specifications
AC CHARACTERISTICSStandard Operating Conditions: VDDREG = VDDIO = AVDD 1.71V to 3.63V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial

Param. No.SymbolCharacteristicsMin.Typ.(1)Max.UnitsConditions
DAC_1DRESDAC Resolution7Bits
DAC_7VOUTOutput Voltage RangeAVSSAVDD - 1LSBV
DAC_17Tset_FSDAC Full Scale Settling Time1.5µs+/-4 LSB of final value for step size from 10% to 90%
DAC_18ATholdDAC Holding Time0.29msThis parameter applies only for Low-Power mode:

DACCTRLn.SHENm = 0x1

Time for 1 LSB voltage loss of the DAC output

DAC_18B0.65msThis parameter applies only for Low-Power mode:

DACCTRLn.SHENm = 0x1

Time for 10 LSB voltage loss of the DAC output

SDAC_19INLIntegral Non- Linearity-0.40.4LSB
SDAC_21DNLDifferential Non-Linearity0.050.4LSB
SDAC_23GERRGain Error-1.2-0.2LSB
SDAC_25EOFFOffset Error-0.70.7LSBNormal mode:

DACCTRLn.SHENm = 0x0

-5.75.7LSBLow-Power mode:

DACCTRLn.SHENm = 0x1