46.20 Comparator (AC) Electrical Characteristics

Table 46-29. Comparator AC Electrical Specifications
AC CHARACTERISTICS			Standard Operating Conditions: VDDREG = VDDIO = AVDD 1.71V to 3.63V (unless otherwise stated) Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial
Param. No.	Symbol	Characteristics	Min.	Typ.⁽¹⁾	Max.	Units	Conditions
CMP_1	VIOFF	Input Offset Voltage	-8	—	8	mV	COMPCTRLn.HYST = 0x3. Comparator ref voltage = AVDD/2
CMP_4	VIN	Input Voltage Range	AVSS	—	AVDD	V	With respect to GND and AVDD
CMP_5	VHYST_00	Input Hysteresis Voltage	2	—	14	mV	COMPCTRLn.HYST = 0x0. Comparator ref voltage = AVDD/2
	VHYST_01	Input Hysteresis Voltage	6	—	26	mV	COMPCTRLn.HYST = 0x1. Comparator ref voltage = AVDD/2
	VHYST_02	Input Hysteresis Voltage	20	—	56	mV	COMPCTRLn.HYST = 0x2. Comparator ref voltage = AVDD/2
	VHYST_03	Input Hysteresis Voltage	32	—	86	mV	COMPCTRLn.HYST = 0x3. Comparator ref voltage = AVDD/2
CMP_15	TRESPSS ain<0:1>	Small Signal Response Time - High speed	—	—	126	ns	COMPCTRLn.SPEED = 0x0 COMPCTRLn.MUXPOS = 0x0 COMPCTRLn.MUXNEG = 0x1 COMPCTRLn.HYST = 0x3 Comparator ref voltage = AVDD/2. Input overdrive = +/- 180 mV
CMP_15	TRESPSS ain<0:1>	Small Signal Response Time - Low Speed	—	—	432	ns	COMPCTRLn.SPEED = 0x1 COMPCTRLn.MUXPOS = 0x0 COMPCTRLn.MUXNEG = 0x1 COMPCTRLn.HYST = 0x3 Comparator ref voltage = AVDD/2. Input overdrive = +/- 180 mV
CMP_19	COUTVAL	Comparator Enabled to Output Valid - High Speed	—	—	2	ms	Comparator module is configured before enabling it COMPCTRLn.SPEED = 0x0
CMP_19	COUTVAL	Comparator Enabled to Output Valid - Low Speed	—	—	20	ms	Comparator module is configured before enabling it COMPCTRLn.SPEED = 0x1
CMP_23	CVREFRNG	Comparator Voltage Reference Input Range	—	—	—	V	—
CMP_25	FGCLK_AC	Analog comparator peripheral module clock freq	—	—	FCLK_49	MHz	See FCLK_49 in Maximum Clock Frequencies
Note: Typical values at 25°C. Comparator Ref voltage cannot exceed: VIN(max) - VIOFF(max) - CMP_5(max) - 100 mV) ≥CMP_23 ≥ (VIN(min) + abs(VIOFF(min)) + CMP_5(max) + 100 mV).

Table 46-30. DAC Module AC Electrical Specifications
AC CHARACTERISTICS			Standard Operating Conditions: VDDREG = VDDIO = AVDD 1.71V to 3.6V (unless otherwise stated) Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial
Param. No.	Symbol	Characteristics	Min.	Typ.	Max.	Units	Conditions
DAC_1	DRES	DAC Resolution	—	—	7	Bits	—
DAC_7	VOUT	Output Voltage Range	AVSS	—	AVDD - 1LSB	V	—
DAC_17	Tset_FS	DAC Full Scale Settling Time	—	—	1.5	µs	+/-4 LSB of final value for step size from 10% to 90%
DAC_18a	Thold	DAC Holding Time	0.29	—	—	ms	This parameter applies only for Low-Power mode: DACCTRLn.SHENm = 0x1 Time for 1 LSB voltage loss of the DAC output
DAC_18b	Thold	DAC Holding Time	0.65	—	—	ms	This parameter applies only for Low-Power mode: DACCTRLn.SHENm = 0x1 Time for 10 LSB voltage loss of the DAC output
SDAC_19	INL	Integral Non Linearity	-0.4	—	0.4	LSB	—
SDAC_21	DNL	Differential Non Linearity	-0.5	—	0.4	LSB	—
SDAC_23	GERR	Gain Error	-1.2	—	-0.2	LSB	—
SDAC_25	EOFF	Offset Error	-0.7	—	-0.7	LSB	Normal mode: DACCTRLn.SHENm = 0x0
SDAC_25	EOFF	Offset Error	-5.7	—	5.7	LSB	Low-Power mode: DACCTRLn.SHENm = 0x1