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Part	Manufacturer	Amplifier Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Maximum Negative Supply Voltage Limit	Maximum Input Offset Voltage	Maximum Average Bias Current (IIB)	Surface Mount	No. of Functions	Technology	Screening Level	Maximum Supply Current	Nominal Negative Supply Voltage (Vsup)	Packing Method	Nominal Supply Voltage / Vsup (V)	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Sub-Category	Maximum Supply Voltage Limit	Terminal Pitch	Maximum Operating Temperature	Maximum Bias Current (IIB) @25C	Nominal Response Time	Output Type	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Seated Height	Width	Qualification	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length
LM239J/NOPB	Texas Instruments	Comparator	Other	Through-Hole	14	DIP	Rectangular	Ceramic, Glass-Sealed	0 V	9 mV	400 nA	No	4	BIPOLAR			0 V		5 V		In-Line		Comparators	36 V	0.1 in (2.54 mm)	85 °C (185 °F)		1.3 µs	Open-Collector	-25 °C (-13 °F)		Dual	R-GDIP-T14	1	0.2 in (5.08 mm)	0.3 in (7.62 mm)	No				0.765 in (19.43 mm)
LM239PWG4	Texas Instruments	Comparator	Other	Gull Wing	14	TSSOP	Rectangular	Plastic/Epoxy		9 mV	-400 nA	Yes	4	BIPOLAR		2 mA			5 V	5 V	Small Outline, Thin Profile, Shrink Pitch	TSSOP14,.25	Comparators	36 V	0.026 in (0.65 mm)	85 °C (185 °F)	250 nA	1.3 µs	Open-Collector	-25 °C (-13 °F)	Nickel Palladium Gold	Dual	R-PDSO-G14	1	0.047 in (1.2 mm)	0.173 in (4.4 mm)	No	e4	30 s	260 °C (500 °F)	0.197 in (5 mm)
LM339J	Texas Instruments	Comparator	Other	Through-Hole	14	DIP	Rectangular	Ceramic, Glass-Sealed		9 mV	-400 nA	No	4	BIPOLAR		2 mA		Tube	5 V	5 V	In-Line	DIP14,.3	Comparators		0.1 in (2.54 mm)	85 °C (185 °F)	250 nA	1.3 µs	Open-Collector, Open-Drain	-25 °C (-13 °F)	Tin Lead	Dual	R-GDIP-T14	1	0.2 in (5.08 mm)	0.3 in (7.62 mm)	No	e0			0.77 in (19.56 mm)
LM206N	Texas Instruments	Comparator	Other	Through-Hole	14	DIP	Rectangular	Plastic/Epoxy				No		BIPOLAR						12,-3/-12 V	In-Line	DIP14,.3	Comparators		0.1 in (2.54 mm)	85 °C (185 °F)				-25 °C (-13 °F)		Dual	R-PDIP-T14				No
UC161BN	Texas Instruments	Comparator	Other	Through-Hole	16	DIP	Rectangular	Plastic/Epoxy				No	4	BIPOLAR							In-Line	DIP16,.3	Comparators		0.1 in (2.54 mm)	85 °C (185 °F)				-25 °C (-13 °F)		Dual	R-PDIP-T16				No
LM293DG4	Texas Instruments	Comparator	Other	Gull Wing	8	SOP	Rectangular	Plastic/Epoxy		9 mV	-400 nA	Yes	2	BIPOLAR		2.5 mA			5 V	5/30 V	Small Outline	SOP8,.25	Comparators	36 V	0.05 in (1.27 mm)	85 °C (185 °F)	250 nA	1.3 µs	Open-Collector	-25 °C (-13 °F)	Nickel Palladium Gold	Dual	R-PDSO-G8	1	0.069 in (1.75 mm)	0.154 in (3.9 mm)	No	e4	30 s	260 °C (500 °F)	0.193 in (4.9 mm)
LM206JG	Texas Instruments	Comparator	Other	Through-Hole	8	DIP	Rectangular	Ceramic				No		BIPOLAR						12,-3/-12 V	In-Line	DIP8,.3	Comparators		0.1 in (2.54 mm)	85 °C (185 °F)				-25 °C (-13 °F)		Dual	R-XDIP-T8				No
LM293DE4	Texas Instruments	Comparator	Other	Gull Wing	8	SOP	Rectangular	Plastic/Epoxy		9 mV	-400 nA	Yes	2	BIPOLAR		2.5 mA			5 V	5/30 V	Small Outline	SOP8,.25	Comparators	36 V	0.05 in (1.27 mm)	85 °C (185 °F)	250 nA	1.3 µs	Open-Collector	-25 °C (-13 °F)	Nickel Palladium Gold	Dual	R-PDSO-G8	1	0.069 in (1.75 mm)	0.154 in (3.9 mm)	No	e4	30 s	260 °C (500 °F)	0.193 in (4.9 mm)
LM239W	Texas Instruments	Comparator	Other	Flat	14	DFP	Rectangular	Plastic/Epoxy		9 mV		Yes	4	BIPOLAR		2 mA			5 V	5 V	Flatpack	FL14,.3	Comparators		0.05 in (1.27 mm)	85 °C (185 °F)		1.3 µs		-25 °C (-13 °F)		Dual	R-PDFP-F14				No
TL331IDR	Texas Instruments	Comparator	Other	Gull Wing	8	SOP	Rectangular	Plastic/Epoxy	0 V	9 mV	-300 nA	Yes	1	BIPOLAR		800 μA	0 V		5 V	5/30 V	Small Outline	SOP8,.25	Comparators	36 V	0.05 in (1.27 mm)	85 °C (185 °F)		1.3 µs	Open-Collector	-25 °C (-13 °F)		Dual	R-PDSO-G8		0.069 in (1.75 mm)	0.154 in (3.9 mm)	No				0.193 in (4.9 mm)
LM239N3	Texas Instruments	Comparator	Other	Through-Hole	14	DIP	Rectangular	Plastic/Epoxy		9 mV		No		BIPOLAR		2 mA			5 V	5 V	In-Line	DIP14,.3	Comparators		0.1 in (2.54 mm)	85 °C (185 °F)		1.3 µs		-25 °C (-13 °F)		Dual	R-PDIP-T14
LP211DE4	Texas Instruments	Comparator	Other	Gull Wing	8	SOP	Rectangular	Plastic/Epoxy	-18 V	10 mV	150 nA	Yes	1	BIPOLAR			-15 V		15 V	±15 V	Small Outline	SOP8,.25	Comparators	18 V	0.05 in (1.27 mm)	85 °C (185 °F)	100 nA	1.2 µs	Open-Collector, Open-Emitter	-25 °C (-13 °F)	Nickel Palladium Gold	Dual	R-PDSO-G8	1	0.069 in (1.75 mm)	0.154 in (3.9 mm)	No	e4	30 s	260 °C (500 °F)	0.193 in (4.9 mm)
LP211JG	Texas Instruments	Comparator	Other	Through-Hole	8	DIP	Rectangular	Ceramic, Glass-Sealed	-18 V	10 mV	150 nA	No	1	BIPOLAR			-15 V		15 V	±15 V	In-Line	DIP8,.3	Comparators	18 V	0.1 in (2.54 mm)	85 °C (185 °F)	100 nA	1.2 µs	Open-Collector, Open-Emitter	-25 °C (-13 °F)		Dual	R-GDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No				0.378 in (9.6 mm)
TL336IJ	Texas Instruments	Comparator	Other	Through-Hole	20	DIP	Rectangular	Ceramic				No		BIPOLAR							In-Line	DIP20,.3	Comparators		0.1 in (2.54 mm)	85 °C (185 °F)				-25 °C (-13 °F)		Dual	R-XDIP-T20				No
LP211DG4	Texas Instruments	Comparator	Other	Gull Wing	8	SOP	Rectangular	Plastic/Epoxy	-18 V	10 mV	150 nA	Yes	1				-15 V		15 V	±15 V	Small Outline	SOP8,.25	Comparators	18 V	0.05 in (1.27 mm)	85 °C (185 °F)	100 nA	1.2 µs	Open-Collector, Open-Emitter	-25 °C (-13 °F)	Nickel Palladium Gold	Dual	R-PDSO-G8	1	0.069 in (1.75 mm)	0.154 in (3.9 mm)	No	e4	30 s	260 °C (500 °F)	0.193 in (4.9 mm)
LP239N	Texas Instruments	Comparator	Other	Through-Hole	14	DIP	Rectangular	Plastic/Epoxy		9 mV	40 nA	No	4	BIPOLAR		100 μA			5 V	5 V	In-Line	DIP14,.3	Comparators	36 V	0.1 in (2.54 mm)	85 °C (185 °F)	25 nA	1.3 µs	Open-Collector	-25 °C (-13 °F)		Dual	R-PDIP-T14		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No				0.76 in (19.305 mm)
LP239D	Texas Instruments	Comparator	Other	Gull Wing	14	SOP	Rectangular	Plastic/Epoxy		9 mV	40 nA	Yes	4	BIPOLAR		100 μA			5 V	5 V	Small Outline	SOP14,.25	Comparators	36 V	0.05 in (1.27 mm)	85 °C (185 °F)	25 nA	1.3 µs	Open-Collector	-25 °C (-13 °F)		Dual	R-PDSO-G14		0.069 in (1.75 mm)	0.154 in (3.9 mm)	No				0.341 in (8.65 mm)
LM239DE4	Texas Instruments	Comparator	Other	Gull Wing	14	SOP	Rectangular	Plastic/Epoxy		5 mV	400 nA	Yes	4	BIPOLAR		2 mA		Tube	5 V	5 V	Small Outline	SOP14,.24	Comparators	36 V	0.05 in (1.27 mm)	85 °C (185 °F)	250 nA	1.3 µs	Open-Collector	-25 °C (-13 °F)	Nickel Palladium Gold	Dual	R-PDSO-G14	1	0.069 in (1.75 mm)	0.154 in (3.9 mm)	No	e4	30 s	260 °C (500 °F)	0.341 in (8.65 mm)
LM211U	Texas Instruments	Comparator	Other	Flat	10	DFP	Rectangular	Ceramic		4 mV		Yes		BIPOLAR			-15 V		15 V	±15 V	Flatpack	FL10,.3	Comparators		0.05 in (1.27 mm)	85 °C (185 °F)				-25 °C (-13 °F)		Dual	R-XDFP-F10				No
LM261J	Texas Instruments	Comparator	Other						-16 V	3 mV	20 uA		1	BIPOLAR			-10 V		10 V				Comparators	16 V		85 °C (185 °F)			Totem Pole	-25 °C (-13 °F)	Tin Lead						No	e0
TL331IP	Texas Instruments	Comparator	Other	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	0 V	9 mV	-300 nA	No	1	BIPOLAR		800 μA	0 V		5 V	5/30 V	In-Line	DIP8,.3	Comparators	36 V	0.1 in (2.54 mm)	85 °C (185 °F)		1.3 µs	Open-Collector	-25 °C (-13 °F)		Dual	R-PDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No				0.386 in (9.81 mm)
LM219J	Texas Instruments	Comparator	Other	Through-Hole	14	DIP	Rectangular	Ceramic, Glass-Sealed	-18 V	7 mV	1 uA	No	2	BIPOLAR			-15 V		15 V	±15 V	In-Line	DIP14,.3	Comparators	18 V	0.1 in (2.54 mm)	85 °C (185 °F)		80 ns		-25 °C (-13 °F)		Dual	R-GDIP-T14		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No
LM206D	Texas Instruments	Comparator	Other	Gull Wing	8	SOP	Rectangular	Plastic/Epoxy				Yes		BIPOLAR						12,-3/-12 V	Small Outline	SOP8,.25	Comparators		0.05 in (1.27 mm)	85 °C (185 °F)				-25 °C (-13 °F)		Dual	R-PDSO-G8				No
LM239AW	Texas Instruments	Comparator	Other	Flat	14	DFP	Rectangular	Plastic/Epoxy		4 mV		Yes	4	BIPOLAR		2 mA			5 V	5 V	Flatpack	FL14,.3	Comparators		0.05 in (1.27 mm)	85 °C (185 °F)		1.3 µs		-25 °C (-13 °F)		Dual	R-PDFP-F14				No
LP239DR	Texas Instruments	Comparator	Other	Gull Wing	14	SOP	Rectangular	Plastic/Epoxy		9 mV	40 nA	Yes	4	BIPOLAR		100 μA			5 V	5 V	Small Outline	SOP14,.25	Comparators	36 V	0.05 in (1.27 mm)	85 °C (185 °F)	25 nA	1.3 µs	Open-Collector	-25 °C (-13 °F)		Dual	R-PDSO-G14		0.069 in (1.75 mm)	0.154 in (3.9 mm)	No				0.341 in (8.65 mm)
LM239AJ	Texas Instruments	Comparator	Other	Through-Hole	14	DIP	Rectangular	Ceramic, Glass-Sealed		4 mV	-400 nA	No	4	BIPOLAR		2 mA			5 V	5 V	In-Line	DIP14,.3	Comparators	36 V	0.1 in (2.54 mm)	85 °C (185 °F)		1.3 µs	Open-Collector	-25 °C (-13 °F)		Dual	R-GDIP-T14		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No				0.77 in (19.56 mm)
LP211D	Texas Instruments	Comparator	Other	Gull Wing	8	SOP	Rectangular	Plastic/Epoxy	-18 V	7.5 mV	150 nA	Yes	1	BIPOLAR		300 μA	-15 V	Tube	15 V	±15 V	Small Outline	SOP8,.25	Comparators	18 V	0.05 in (1.27 mm)	85 °C (185 °F)	100 nA	1.2 µs	Open-Collector	-25 °C (-13 °F)	Nickel Palladium Gold	Dual	R-PDSO-G8	1	0.069 in (1.75 mm)	0.154 in (3.9 mm)	No	e4	30 s	260 °C (500 °F)	0.193 in (4.9 mm)
AD96687BP	Analog Devices	Comparator	Other	J Bend	20	QCCJ	Square	Plastic/Epoxy	-6.5 V	3 mV	13 uA	Yes	2	BIPOLAR		36 mA	-5.2 V		5 V	5,-5.2 V	Chip Carrier	LDCC20,.4SQ	Comparators	6.5 V	0.05 in (1.27 mm)	85 °C (185 °F)	10 uA	2.5 ns	Open-Emitter	-25 °C (-13 °F)	Tin Lead	Quad	S-PQCC-J20	1	0.173 in (4.39 mm)	0.352 in (8.93 mm)	No	e0		225 °C (437 °F)	0.352 in (8.93 mm)
CMP02GRBC	Analog Devices	Comparator	Other							3.5 mV				BIPOLAR	MIL-STD-883 Class B (Modified)	8.5 mA				5/±15 V		DIE OR CHIP	Comparators			25 °C (77 °F)	100 nA	190 ns		25 °C (77 °F)							No
PM111GBC	Analog Devices	Comparator	Other	No Lead	8	DIE	Rectangular		-18 V	3 mV	50 nA	Yes	1	BIPOLAR		5 mA	-15 V		15 V	±15 V	Uncased Chip	DIE OR CHIP	Comparators	18 V		25 °C (77 °F)	50 nA	180 ns		25 °C (77 °F)	Tin Lead	Upper	R-XUUC-N8				No	e0
AD9685BE	Analog Devices	Comparator	Other	No Lead	20	QCCN	Square	Ceramic		7 mV		Yes		BIPOLAR		34 mA				5,-5.2 V	Chip Carrier	LCC20,.35SQ	Comparators		0.05 in (1.27 mm)	85 °C (185 °F)	15 uA	2.7 ns		-25 °C (-13 °F)	Tin/Lead	Quad	S-XQCC-N20				No	e0
PM211BIZ	Analog Devices	Comparator	Other	Through-Hole	8	DIP	Rectangular	Ceramic, Glass-Sealed	-18 V	3 mV	100 nA	No	1	BIPOLAR			-15 V		15 V		In-Line			18 V	0.1 in (2.54 mm)	85 °C (185 °F)		240 ns	Open-Collector	-25 °C (-13 °F)		Dual	R-GDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No
AD96687BP-REEL	Analog Devices	Comparator	Other	J Bend	20	QCCJ	Square	Plastic/Epoxy	-6.5 V	3 mV	13 uA	Yes	2	BIPOLAR		36 mA	-5.2 V	Tape And Reel	5 V	5,-5.2 V	Chip Carrier	LDCC20,.4SQ	Comparators	6.5 V	0.05 in (1.27 mm)	85 °C (185 °F)	10 uA	2.5 ns	Open-Emitter	-25 °C (-13 °F)	Tin Lead	Quad	S-PQCC-J20	1	0.173 in (4.39 mm)	0.352 in (8.93 mm)	No	e0		225 °C (437 °F)	0.352 in (8.93 mm)
PM219BIY	Analog Devices	Comparator	Other	Through-Hole	14	DIP	Rectangular	Ceramic, Glass-Sealed	-18 V	2.5 mV	500 nA	No	2	BIPOLAR			-15 V		15 V		In-Line		Comparators	18 V	0.1 in (2.54 mm)	85 °C (185 °F)		80 ns	Open-Collector	-25 °C (-13 °F)	Tin Lead	Dual	R-GDIP-T14		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No	e0			0.765 in (19.43 mm)
PM211Z	Analog Devices	Comparator	Other	Through-Hole	8	DIP	Rectangular	Ceramic, Glass-Sealed	-18 V	3 mV	50 nA	No	1	BIPOLAR		6 mA	-15 V		15 V	±15 V	In-Line	DIP8,.3	Comparators	18 V	0.1 in (2.54 mm)	85 °C (185 °F)	50 nA	180 ns		-25 °C (-13 °F)	Tin Lead	Dual	R-GDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No	e0
5962-01-283-4316	Analog Devices	Comparator	Other	Wire	10		Round	Metal		7 mV				BIPOLAR		34 mA				5,-5.2 V	Cylindrical	CAN10,.23	Comparators			85 °C (185 °F)	15 uA	2.7 ns		-25 °C (-13 °F)		Bottom	O-MBCY-W10				No
AD96687BPZ	Analog Devices	Comparator	Other	J Bend	20	QCCJ	Square	Plastic/Epoxy	-6.5 V	3 mV	13 uA	Yes	2	BIPOLAR		36 mA	-5.2 V		5 V	5,-5.2 V	Chip Carrier	LDCC20,.4SQ	Comparators	6.5 V	0.05 in (1.27 mm)	85 °C (185 °F)	10 uA	2.5 ns	Open-Emitter	-25 °C (-13 °F)	Matte Tin	Quad	S-PQCC-J20	1	0.173 in (4.39 mm)	0.352 in (8.93 mm)	No	e3		260 °C (500 °F)	0.352 in (8.93 mm)
AD96685BH	Analog Devices	Comparator	Other	Wire	10	TO-100	Round	Metal	-6.5 V	3 mV	13 uA	No	1	BIPOLAR			-5.2 V		5 V	5,-5.2 V	Cylindrical	CAN10,.23	Comparators	6.5 V		85 °C (185 °F)	10 uA	2.5 ns	Open-Emitter	-25 °C (-13 °F)	Tin Lead	Bottom	O-MBCY-W10				No	e0
PM211BIY	Analog Devices	Comparator	Other	Through-Hole	14	DIP	Rectangular	Ceramic, Glass-Sealed	-18 V	3 mV	100 nA	No	1	BIPOLAR			-15 V		15 V		In-Line			18 V	0.1 in (2.54 mm)	85 °C (185 °F)		240 ns	Open-Collector	-25 °C (-13 °F)	Tin Lead	Dual	R-GDIP-T14		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No	e0			0.765 in (19.43 mm)
AD9685BH	Analog Devices	Comparator	Other	Wire	10		Round	Metal		7 mV				BIPOLAR		34 mA				5,-5.2 V	Cylindrical	CAN10,.23	Comparators			85 °C (185 °F)	15 uA	2.7 ns		-25 °C (-13 °F)	Tin Lead	Bottom	O-MBCY-W10				No	e0
CMP05GBC	Analog Devices	Comparator	Other							1 mV				BIPOLAR	MIL-STD-883 Class B (Modified)	20 mA	-5 V		5 V	±5 V		DIE OR CHIP	Comparators			25 °C (77 °F)	1.8 uA	60 ns		25 °C (77 °F)							No
PM219Y	Analog Devices	Comparator	Other	Through-Hole	14	DIP	Rectangular	Ceramic, Glass-Sealed	-18 V	2.5 mV	500 nA	No	2	BIPOLAR		4 mA	-15 V		5 V	±15 V	In-Line	DIP14,.3	Comparators	18 V	0.1 in (2.54 mm)	85 °C (185 °F)	500 nA	80 ns	Open-Collector	-25 °C (-13 °F)	Tin Lead	Dual	R-GDIP-T14		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No	e0			0.765 in (19.43 mm)
AD9685BD	Analog Devices	Comparator	Other	Through-Hole	16	DIP	Rectangular	Ceramic		7 mV		No		BIPOLAR		34 mA				5,-5.2 V	In-Line	DIP16,.3	Comparators		0.1 in (2.54 mm)	85 °C (185 °F)	15 uA	2.7 ns		-25 °C (-13 °F)	Tin Lead	Dual	R-XDIP-T16				No	e0
PM111NTBC	Analog Devices	Comparator	Other							3 mV				BIPOLAR		5 mA	-15 V		15 V	±15 V		DIE OR CHIP	Comparators			25 °C (77 °F)	50 nA	180 ns		25 °C (77 °F)							No
AD96687BR	Analog Devices	Comparator	Other	Gull Wing	16	SOP	Rectangular	Plastic/Epoxy	-6.5 V	3 mV	13 uA	Yes	2	BIPOLAR		36 mA	-5.2 V		5 V	5,-5.2 V	Small Outline	SOP16,.4	Comparators	6.5 V	0.05 in (1.27 mm)	85 °C (185 °F)	10 uA	2.5 ns	Open-Emitter	-25 °C (-13 °F)	Tin Lead	Dual	R-PDSO-G16	1	0.069 in (1.75 mm)	0.154 in (3.9 mm)	No	e0		240 °C (464 °F)	0.39 in (9.9 mm)
AD9686BH	Analog Devices	Comparator	Other	Wire	10		Round	Metal		3 mV				BIPOLAR		35 mA				5,-6 V	Cylindrical	CAN10,.23	Comparators			85 °C (185 °F)	10 uA	7 ns		-25 °C (-13 °F)	Tin Lead	Bottom	O-MBCY-W10				No	e0
AD96685BR	Analog Devices	Comparator	Other	Gull Wing	16	SOP	Rectangular	Plastic/Epoxy	-6.5 V	3 mV	13 uA	Yes	1	BIPOLAR			-5.2 V		5 V	5,-5.2 V	Small Outline	SOP16,.25	Comparators	6.5 V	0.05 in (1.27 mm)	85 °C (185 °F)	10 uA	2.5 ns	Open-Emitter	-25 °C (-13 °F)	Tin Lead	Dual	R-PDSO-G16	1	0.069 in (1.75 mm)	0.154 in (3.9 mm)	No	e0		240 °C (464 °F)	0.39 in (9.9 mm)
PM119GTBC	Analog Devices	Comparator	Other	No Lead	10	DIE	Rectangular		-18 V	5 mV	1 uA	Yes	2	BIPOLAR	MIL-STD-883 Class B (Modified)	4.5 mA	-15 V		5 V	±15 V	Uncased Chip	DIE OR CHIP	Comparators	18 V		125 °C (257 °F)	500 nA	80 ns	Open-Collector	25 °C (77 °F)	Tin Lead	Upper	R-XUUC-N10				No	e0

Comparators

Comparators are electronic circuits that compare two input voltages and output a voltage signal that indicates which of the inputs is larger. A comparator is similar to an operational amplifier (op-amp), but it is designed to operate with a limited range of voltage outputs (typically near the power supply rails) and with very high gain.

A comparator typically has two input terminals, a non-inverting (+) input and an inverting (-) input, and one output. When the voltage at the non-inverting input is greater than the voltage at the inverting input, the output of the comparator switches to its maximum positive voltage. Conversely, when the voltage at the inverting input is greater than the voltage at the non-inverting input, the output of the comparator switches to its maximum negative voltage.

Comparators are often used in applications where a precise measurement or detection of voltage level is required, such as in voltage reference circuits, level detectors, and waveform generators. They can also be used to implement digital logic circuits and are frequently used in A/D converters and motor control circuits.

It is worth noting that a comparator output can switch quickly between its high and low states, so they can be sensitive to noise and require careful circuit design to ensure proper operation. In addition, some comparators may include features such as hysteresis, which can help to reduce noise and ensure stable operation in the presence of small fluctuations in the input signals.