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LM2903-Q1 Dual Differential Comparator

Texas Instruments LM2903-Q1 Dual Differential Comparator consists of two independent voltage comparators designed to operate from a single power supply over a wide range of voltages. Operation from dual supplies is possible if the difference between the two supplies is 2V to 36V, and VCC is at least 1.5V more positive than the input common-mode voltage. The current drain is independent of the supply voltage. The outputs of the Texas Instruments LM2903-Q1 can be connected to other open-collector outputs to achieve wired-AND relationships.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package / Case	Number of Channels	Output Type	Response Time	Type	Supply Voltage - Min	Supply Voltage - Max	Operating Supply Current	Output Current per Channel	Vos - Input Offset Voltage	Ib - Input Bias Current	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Analog Comparators Dual Diff Comparator LM2903AVQDRG4Q1 Texas Instruments 1: $0.91 110,958In Stock	Mfr. Part # LM2903AVQDRG4Q1 Mouser Part # 595-LM2903AVQDRG4Q1	Texas Instruments	Analog Comparators Dual Diff Comparator Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	110,958In Stock	Cut Tape $0.91 $0.648 $0.584 $0.514 Reel $0.395 View $0.48 $0.459 $0.449 $0.39 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	32 V	1 mA to 2.5 mA		4 mV	250 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Auto Cat Dual Diff C omparator LM2903QDRG4Q1 Texas Instruments 1: $0.74 8,215In Stock	Mfr. Part # LM2903QDRG4Q1 Mouser Part # 595-LM2903QDRG4Q1	Texas Instruments	Analog Comparators Auto Cat Dual Diff C omparator Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	8,215In Stock	Cut Tape $0.74 $0.527 $0.474 $0.415 Reel $0.322 View $0.387 $0.37 $0.356 $0.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	30 V	1 mA to 2.5 mA		15 mV	250 nA	- 40 C	+ 150 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Auto Cat Dual Gen Pu rp Diff A 595-LM290 A 595-LM2903AVQDRG4Q1 LM2903AVQDRQ1 Texas Instruments 1: $0.86 10,664In Stock	Mfr. Part # LM2903AVQDRQ1 Mouser Part # 595-LM2903AVQDRQ1	Texas Instruments	Analog Comparators Auto Cat Dual Gen Pu rp Diff A 595-LM290 A 595-LM2903AVQDRG4Q1 Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	10,664In Stock	Cut Tape $0.86 $0.611 $0.551 $0.483 Reel $0.399 View $0.451 $0.432 $0.417 $0.388 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	32 V	1 mA to 2.5 mA		4 mV	250 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Dual Diff Comparator A 595-LM2903VQPWRQ1 A 595-LM2903VQPWRQ1 LM2903VQPWRG4Q1 Texas Instruments 1: $0.74 3,976In Stock	Mfr. Part # LM2903VQPWRG4Q1 Mouser Part # 595-LM2903VQPWRG4Q1	Texas Instruments	Analog Comparators Dual Diff Comparator A 595-LM2903VQPWRQ1 A 595-LM2903VQPWRQ1 Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	3,976In Stock	Cut Tape $0.74 $0.527 $0.474 $0.415 View Reel $0.327 $0.387 $0.37 $0.356 $0.327 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TSSOP-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	36 V	1 mA to 2.5 mA		15 mV	250 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Dual Differential Comparator LM2903DGKR Texas Instruments 1: $0.33 28,043In Stock	Mfr. Part # LM2903DGKR Mouser Part # 595-LM2903DGKR	Texas Instruments	Analog Comparators Dual Differential Comparator Learn More about Texas Instruments ti lmx93 lm2903 comparators	Datasheet	28,043In Stock	Cut Tape $0.33 $0.225 $0.20 $0.172 Reel $0.136 View $0.159 $0.151 $0.144 $0.132 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	VSSOP-8	2 Channel	CMOS, TTL	1.3 us	Differential	2 V	30 V	200 uA	6 mA	7 mV	25 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators AEC-Q100 Grade 0 an d 1 Automotive High LM2903EPWRQ1 Texas Instruments 1: $2.31 3,205In Stock	Mfr. Part # LM2903EPWRQ1 Mouser Part # 595-LM2903EPWRQ1	Texas Instruments	Analog Comparators AEC-Q100 Grade 0 an d 1 Automotive High Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	3,205In Stock	Cut Tape $2.31 $1.72 $1.57 $1.40 Reel $1.19 View $1.32 $1.28 $1.24 $1.16 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TSSOP-8	2 Channel	Open Collector	1.3 us	Differential	2 V	30 V	400 uA	6 mA	2 mV	50 nA	- 40 C	+ 150 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Dual Diff Ind Temp LM2903DR Texas Instruments 1: $0.28 1,352In Stock 60,000Expected 10/30/2026	Mfr. Part # LM2903DR Mouser Part # 595-LM2903DR	Texas Instruments	Analog Comparators Dual Diff Ind Temp Learn More about Texas Instruments ti lmx93 lm2903 comparators	Datasheet	1,352In Stock 60,000Expected 10/30/2026	Cut Tape $0.28 $0.194 $0.171 $0.146 Reel $0.113 View $0.134 $0.127 $0.121 $0.109 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-8	2 Channel	CMOS, TTL	1.3 us	Differential	2 V	30 V	200 uA	6 mA	7 mV	25 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Dual Diff LM2903P Texas Instruments 1: $0.47 1,557In Stock 14,000On Order	Mfr. Part # LM2903P Mouser Part # 595-LM2903P	Texas Instruments	Analog Comparators Dual Diff Learn More about Texas Instruments ti lmx93 lm2903 comparators	Datasheet	1,557In Stock 14,000On Order On Order Ship Dates Mfr. #: LM2903P Stock: 1,557 Can Ship Immediately On Order: 6,000 Expected 1/28/2027 8,000 Expected 3/29/2027 Factory Lead-Time: 12 Weeks	$0.47 $0.323 $0.273 $0.247 View $0.228 $0.217 $0.208 $0.196 $0.19	Min.: 1 Mult.: 1	Through Hole	PDIP-8	2 Channel	CMOS, TTL	1.3 us	Differential	2 V	30 V	2.5 mA	6 mA	7 mV	25 nA	- 40 C	+ 125 C	LM2903	Tube
Analog Comparators Dual Diff Ind Temp LM2903PWR Texas Instruments 1: $0.25 1,935In Stock 36,000Expected 12/17/2026	Mfr. Part # LM2903PWR Mouser Part # 595-LM2903PWR	Texas Instruments	Analog Comparators Dual Diff Ind Temp Learn More about Texas Instruments ti lmx93 lm2903 comparators	Datasheet	1,935In Stock 36,000Expected 12/17/2026	Cut Tape $0.25 $0.168 $0.148 $0.127 Reel $0.099 View $0.117 $0.111 $0.107 $0.096 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TSSOP-8	2 Channel	CMOS, TTL	1.3 us	Differential	2 V	30 V	2.5 mA	6 mA	7 mV	25 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators AutoCatDualGnrlPur+e Diff Comparator A 5 A 595-LM2903QPWRG4Q1 LM2903QPWRQ1 Texas Instruments 1: $0.69 27In Stock 4,000Expected 3/11/2027	Mfr. Part # LM2903QPWRQ1 Mouser Part # 595-LM2903QPWRQ1	Texas Instruments	Analog Comparators AutoCatDualGnrlPur+e Diff Comparator A 5 A 595-LM2903QPWRG4Q1 Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	27In Stock 4,000Expected 3/11/2027	Cut Tape $0.69 $0.492 $0.441 $0.386 Reel $0.316 View $0.359 $0.343 $0.33 $0.308 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TSSOP-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	30 V	1 mA to 2.5 mA		15 mV	250 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Auto Cat Dual Diff C omparator A 595-LM2 A 595-LM2903VQPWRG4Q1 LM2903VQPWRQ1 Texas Instruments 1: $0.69 1,121In Stock	Mfr. Part # LM2903VQPWRQ1 Mouser Part # 595-LM2903VQPWRQ1	Texas Instruments	Analog Comparators Auto Cat Dual Diff C omparator A 595-LM2 A 595-LM2903VQPWRG4Q1 Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	1,121In Stock	Cut Tape $0.69 $0.492 $0.442 $0.386 Reel $0.31 View $0.36 $0.344 $0.337 $0.303 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TSSOP-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	36 V	1 mA to 2.5 mA		15 mV	250 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Dual Diff Comparator A 595-LM2903AVQPWRQ A 595-LM2903AVQPWRQ1 LM2903AVQPWRG4Q1 Texas Instruments 1: $0.91 1,288In Stock 4,000Expected 12/25/2026	Mfr. Part # LM2903AVQPWRG4Q1 Mouser Part # 595-LM2903AVQPWRG4Q1	Texas Instruments	Analog Comparators Dual Diff Comparator A 595-LM2903AVQPWRQ A 595-LM2903AVQPWRQ1 Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	1,288In Stock 4,000Expected 12/25/2026	Cut Tape $0.91 $0.67 $0.601 $0.525 View Reel $0.386 $0.489 $0.467 $0.455 $0.386 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TSSOP-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	32 V	1 mA to 2.5 mA		4 mV	250 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators AutoCatDualGnrlPur+e Diff Comparator A 5 A 595-LM2903AVQPWRG4Q1 LM2903AVQPWRQ1 Texas Instruments 1: $0.76 1,841In Stock 4,000Expected 3/29/2027	Mfr. Part # LM2903AVQPWRQ1 Mouser Part # 595-LM2903AVQPWRQ1	Texas Instruments	Analog Comparators AutoCatDualGnrlPur+e Diff Comparator A 5 A 595-LM2903AVQPWRG4Q1 Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	1,841In Stock 4,000Expected 3/29/2027	Cut Tape $0.76 $0.539 $0.485 $0.425 Reel $0.344 View $0.396 $0.379 $0.365 $0.335 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TSSOP-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	32 V	1 mA to 2.5 mA		4 mV	250 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Auto Cat Dual Diff C omparator A 595-LM2 A 595-LM2903QDRG4Q1 LM2903QDRQ1 Texas Instruments 1: $0.71 1,888In Stock 12,500Expected 12/7/2026	Mfr. Part # LM2903QDRQ1 Mouser Part # 595-LM2903QDRQ1	Texas Instruments	Analog Comparators Auto Cat Dual Diff C omparator A 595-LM2 A 595-LM2903QDRG4Q1 Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	1,888In Stock 12,500Expected 12/7/2026	Cut Tape $0.71 $0.494 $0.444 $0.387 View Reel $0.297 $0.361 $0.351 $0.297 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	30 V	1 mA to 2.5 mA		15 mV	250 nA	- 40 C	+ 150 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Auto Cat Dual Diff C omparator A 595-LM2 A 595-LM2903QPWRQ1 LM2903QPWRG4Q1 Texas Instruments 1: $0.75 1,597In Stock 2,000Expected 11/6/2026	Mfr. Part # LM2903QPWRG4Q1 Mouser Part # 595-LM2903QPWRG4Q1	Texas Instruments	Analog Comparators Auto Cat Dual Diff C omparator A 595-LM2 A 595-LM2903QPWRQ1 Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	1,597In Stock 2,000Expected 11/6/2026	Cut Tape $0.75 $0.533 $0.478 $0.417 Reel $0.341 View $0.388 $0.371 $0.357 $0.332 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SMD/SMT	TSSOP-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	30 V	1 mA to 2.5 mA		15 mV	250 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Auto Cat Dual Gen Pu rp Diff LM2903VQDRQ1 Texas Instruments 1: $0.71 2,522In Stock 5,000Expected 2/4/2027	Mfr. Part # LM2903VQDRQ1 Mouser Part # 595-LM2903VQDRQ1	Texas Instruments	Analog Comparators Auto Cat Dual Gen Pu rp Diff Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	2,522In Stock 5,000Expected 2/4/2027	Cut Tape $0.71 $0.494 $0.444 $0.387 View Reel $0.297 $0.361 $0.351 $0.297 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	36 V	1 mA to 2.5 mA		15 mV	250 nA	- 40 C	+ 125 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Auto Catalog Dual Di ff Comparator LM2903QDGKRQ1 Texas Instruments 1: $0.74 A tariff of 38% may be applied if shipping to the United States. 12,460On Order	Mfr. Part # LM2903QDGKRQ1 Mouser Part # 595-LM2903QDGKRQ1	Texas Instruments	Analog Comparators Auto Catalog Dual Di ff Comparator Learn More about Texas Instruments ti lm2903 q1 comparator	Datasheet	12,460On Order On Order Ship Dates Mfr. #: LM2903QDGKRQ1 Stock: 0 On Order: 4,960 Expected 10/29/2026 7,500 Expected 7/5/2027 Factory Lead-Time: 20 Weeks	Cut Tape $0.74 $0.518 $0.464 $0.406 View Reel $0.298 $0.378 $0.361 $0.352 $0.298 MouseReel Available A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	VSSOP-8	2 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	30 V	1 mA to 2.5 mA		15 mV	250 nA	- 40 C	+ 150 C	LM2903	Reel, Cut Tape, MouseReel
Analog Comparators Low offset dual dif ferential comparator A 926-LM2903ITL/NOPB LM2903ITLX/NOPB Texas Instruments 1: $1.08 3,073Expected 5/31/2027	Mfr. Part # LM2903ITLX/NOPB Mouser Part # 926-LM2903ITLX/NOPB	Texas Instruments	Analog Comparators Low offset dual dif ferential comparator A 926-LM2903ITL/NOPB	Datasheet	3,073Expected 5/31/2027	Cut Tape $1.08 $0.782 $0.706 $0.623 Reel $0.514 View $0.583 $0.559 $0.545 $0.496 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DSBGA-8	2 Channel	CMOS, TTL	700 ns	Differential	2 V	36 V	2 mA	6 mA	7 mV	250 nA	- 40 C	+ 85 C	LM2903	Reel, Cut Tape, MouseReel

LM2903-Q1 Dual Differential Comparator

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