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LMx39/LM2901/LM2901-Q1 Differential Comparators

Texas Instruments LMx39/LM2901/LM2901-Q1 Quad Differential Comparators consist of four independent voltage comparators designed to operate from a single power supply over a wide range of voltages. The LM339B/LM2901B/LM2901B-Q1 devices are the next-generation versions of the industry-standard LM339 and LM2901 comparator family. These next-generation B-version comparators feature lower offset voltage, higher supply voltage capability, and lower supply current. These devices also have lower input bias current, lower propagation delay, improved 2kV ESD performance, and input ruggedness through dedicated ESD clamps. The Texas Instruments LM339B/LM2901B/LM2901-Q1 can drop in to replace the LM239, LM339, and LM2901/LM2901-Q1 for both "A" and "V" grades.

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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.	RoHS	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 Low offset quad dif ferential comparator LM2901N/NOPB Texas Instruments 1: $3.58 1,043In Stock	Mfr. Part # LM2901N/NOPB Mouser Part # 926-LM2901N/NOPB	Texas Instruments	Analog Comparators Low offset quad dif ferential comparator	Datasheet	1,043In Stock	$3.58 $2.67 $2.44 $2.18 View $2.07 $1.99 $1.92 $1.86 $1.82	Min.: 1 Mult.: 1		Through Hole	MDIP-14	4 Channel	Rail-to-Rail	1.3 us	General Purpose	2 V	36 V	2 mA	6 mA	7 mV	250 nA	- 40 C	+ 85 C	LM2901	Tube
Analog Comparators QUAD Diff COMPARATOR A 595-LM239AQDREP A A 595-LM239AQDREP LM239AQDRG4Q1 Texas Instruments 1: $1.31 12,310In Stock	Mfr. Part # LM239AQDRG4Q1 Mouser Part # 595-LM239AQDRG4Q1	Texas Instruments	Analog Comparators QUAD Diff COMPARATOR A 595-LM239AQDREP A A 595-LM239AQDREP	Datasheet	12,310In Stock	Cut Tape $1.31 $0.94 $0.849 $0.748 Reel $0.576 View $0.699 $0.67 $0.651 $0.568 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	SOIC-14	4 Channel	CMOS, TTL	300 ns	Differential	2 V	30 V	2 mA	16 mA	3 mV	250 nA	- 40 C	+ 125 C	LM239A	Reel, Cut Tape, MouseReel
Analog Comparators Quad Differential LM2901VQPWR Texas Instruments 1: $0.806 3,339In Stock	Mfr. Part # LM2901VQPWR Mouser Part # 595-LM2901VQPWR	Texas Instruments	Analog Comparators Quad Differential Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	3,339In Stock	Cut Tape $0.806 $0.566 $0.507 $0.442 Reel $0.347 View $0.411 $0.393 $0.377 $0.345 MouseReel Available	Min.: 1 Mult.: 1 : 2,000		SMD/SMT	TSSOP-14	4 Channel	CMOS, TTL	300 ns	Differential	2 V	32 V	2.5 mA		7 mV	250 nA	- 40 C	+ 125 C	LM2901V	Reel, Cut Tape, MouseReel
Analog Comparators 36-V quad different ial standard compara LM2901BIDR Texas Instruments 1: $0.377 16,434In Stock 30,000Expected 2/1/2027	Mfr. Part # LM2901BIDR Mouser Part # 595-LM2901BIDR	Texas Instruments	Analog Comparators 36-V quad different ial standard compara Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	16,434In Stock 30,000Expected 2/1/2027	Cut Tape $0.377 $0.256 $0.228 $0.196 View Reel $0.153 $0.181 $0.172 $0.164 $0.153 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	SOIC-14	4 Channel	Open Collector	1 us	Differential	2 V	36 V	800 uA		370 uV	25 nA	- 40 C	+ 125 C	LM2901B	Reel, Cut Tape, MouseReel
Analog Comparators Quad Differential Co mparator A 595-LM13 A 595-LM139AD LM139ADR Texas Instruments 1: $3.52 10,322In Stock	Mfr. Part # LM139ADR Mouser Part # 595-LM139ADR	Texas Instruments	Analog Comparators Quad Differential Co mparator A 595-LM13 A 595-LM139AD Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	10,322In Stock	Cut Tape $3.52 $2.63 $2.41 $2.16 Reel $1.83 View $2.04 $1.99 $1.95 $1.79 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	SOIC-14	4 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	36 V	800 uA	6 mA	2 mV	25 nA	- 55 C	+ 125 C	LM139A	Reel, Cut Tape, MouseReel
Analog Comparators 36-V quad different ial standard compara LM2901BIRTER Texas Instruments 1: $0.403 5,375In Stock	Mfr. Part # LM2901BIRTER Mouser Part # 595-LM2901BIRTER	Texas Instruments	Analog Comparators 36-V quad different ial standard compara Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	5,375In Stock	$0.403 $0.273 $0.243 $0.209 View $0.192 $0.183 $0.174 $0.166	Min.: 1 Mult.: 1		SMD/SMT	WQFN-16	4 Channel	CMOS, TTL	1 us	Differential	2 V	36 V	1 mA	21 mA	370 uV	25 nA	- 40 C	+ 125 C	LM2901B
Analog Comparators Automotive 36-V qu a d differential stan LM2901BWRTERQ1 Texas Instruments 1: $0.884 1,687In Stock 5,000Expected 11/19/2026	Mfr. Part # LM2901BWRTERQ1 Mouser Part # 595-LM2901BWRTERQ1	Texas Instruments	Analog Comparators Automotive 36-V qu a d differential stan Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	1,687In Stock 5,000Expected 11/19/2026	$0.884 $0.623 $0.559 $0.489 View $0.455 $0.434 $0.419 $0.415 $0.389	Min.: 1 Mult.: 1		SMD/SMT	WQFN-16	4 Channel	Open Collector, Open Drain	1 us	Differential	2 V	36 V	800 uA	4 mA	3.5 mV	25 nA	- 40 C	+ 125 C	LM2901B
Analog Comparators 36-V -40 C to 85 C q uad standard compar LM339BIPWR Texas Instruments 1: $0.312 5,414In Stock 21,000On Order	Mfr. Part # LM339BIPWR Mouser Part # 595-LM339BIPWR	Texas Instruments	Analog Comparators 36-V -40 C to 85 C q uad standard compar Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	5,414In Stock 21,000On Order On Order Ship Dates Mfr. #: LM339BIPWR Stock: 5,414 Can Ship Immediately On Order: 6,000 Expected 11/19/2026 15,000 Expected 2/15/2027 Factory Lead-Time: 12 Weeks	Cut Tape $0.312 $0.212 $0.187 $0.161 Reel $0.125 View $0.148 $0.14 $0.138 $0.121 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-14	4 Channel	Open Collector	1 us	Differential	2 V	36 V	800 uA to 1 mA	100 uA	3.5 mV	25 nA	- 40 C	+ 85 C	LM339B	Reel, Cut Tape, MouseReel
Analog Comparators 36-V -40 C to 85 C q uad standard compar LM339BIRTER Texas Instruments 1: $0.403 2,498In Stock 5,000Expected 11/2/2026	Mfr. Part # LM339BIRTER Mouser Part # 595-LM339BIRTER	Texas Instruments	Analog Comparators 36-V -40 C to 85 C q uad standard compar Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	2,498In Stock 5,000Expected 11/2/2026	Cut Tape $0.403 $0.274 $0.243 $0.209 View Reel $0.16 $0.194 $0.183 $0.176 $0.168 $0.16 MouseReel Available	Min.: 1 Mult.: 1 : 5,000		SMD/SMT	WQFN-16	4 Channel	CMOS, TTL	1 us	Differential	2 V	36 V	1 mA	21 mA	370 uV	25 nA	- 40 C	+ 85 C	LM339B	Reel, Cut Tape, MouseReel
Analog Comparators 5.5-V low-voltage s tandard quad-channel LM339LVDR Texas Instruments 1: $0.546 2,447In Stock	Mfr. Part # LM339LVDR Mouser Part # 595-LM339LVDR	Texas Instruments	Analog Comparators 5.5-V low-voltage s tandard quad-channel Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	2,447In Stock	Cut Tape $0.546 $0.381 $0.341 $0.294 Reel $0.234 View $0.273 $0.26 $0.248 $0.228 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	SOIC-14	4 Channel	Open Drain		General Purpose	1.65 V	5.5 V			400 uV		- 40 C	+ 125 C	LM339LV	Reel, Cut Tape, MouseReel
Analog Comparators Quad Diff Comparator ALT 595-LM139ADR AL ALT 595-LM139ADR LM139ADRG4 Texas Instruments 1: $7.06 737In Stock 7,500Expected 11/19/2026	Mfr. Part # LM139ADRG4 Mouser Part # 595-LM139ADRG4	Texas Instruments	Analog Comparators Quad Diff Comparator ALT 595-LM139ADR AL ALT 595-LM139ADR Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	737In Stock 7,500Expected 11/19/2026	Cut Tape $7.06 $5.38 $4.97 $4.51 View Reel $4.07 $4.30 $4.23 $4.20 $4.07 Quote MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	SOIC-14	4 Channel	Open Collector, Open Drain	1.3 us	Differential	2 V	36 V	800 uA	6 mA	2 mV	25 nA	- 55 C	+ 125 C	LM139A	Reel, Cut Tape, MouseReel
Analog Comparators Quad GP Differential A 595-LM139DRG4 A 5 A 595-LM139DRG4 LM139DR Texas Instruments 1: $2.54 10,006In Stock	Mfr. Part # LM139DR Mouser Part # 595-LM139DR	Texas Instruments	Analog Comparators Quad GP Differential A 595-LM139DRG4 A 5 A 595-LM139DRG4 Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	10,006In Stock	Cut Tape $2.54 $1.87 $1.70 $1.52 Reel $1.28 View $1.43 $1.38 $1.26 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	SOIC-14	4 Channel	Rail-to-Rail	300 ns	Differential	2 V	36 V	500 uA	6 mA	5 mV	25 nA	- 55 C	+ 125 C	LM139	Reel, Cut Tape, MouseReel
Analog Comparators Quad Diff Comparator ALT 595-LM139DR ALT ALT 595-LM139DR LM139DRG4 Texas Instruments 1: $4.46 1,743In Stock	Mfr. Part # LM139DRG4 Mouser Part # 595-LM139DRG4	Texas Instruments	Analog Comparators Quad Diff Comparator ALT 595-LM139DR ALT ALT 595-LM139DR Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	1,743In Stock	Cut Tape $4.46 $3.33 $3.04 $2.73 Reel $2.07 View $2.57 $2.52 $2.39 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	SOIC-14	4 Channel	Rail-to-Rail	1.3 us	Differential	2 V	36 V	2 mA	6 mA	5 mV	25 nA	- 55 C	+ 125 C	LM139	Reel, Cut Tape, MouseReel
Analog Comparators Quad GP Differential A 595-LM239AD A 595 A 595-LM239AD LM239ADR Texas Instruments 1: $0.455 12,362In Stock	Mfr. Part # LM239ADR Mouser Part # 595-LM239ADR	Texas Instruments	Analog Comparators Quad GP Differential A 595-LM239AD A 595 A 595-LM239AD Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	12,362In Stock	Cut Tape $0.455 $0.312 $0.278 $0.239 Reel $0.191 View $0.221 $0.211 $0.202 $0.185 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	SOIC-14	4 Channel	CMOS, TTL	300 ns	Differential	2 V	30 V	2 mA	6 mA	3 mV	250 nA	- 25 C	+ 85 C	LM239A	Reel, Cut Tape, MouseReel
Analog Comparators Auto Cat Quad Diff C omparator A 595-LM2 A 595-LM239AQDRG4Q1 LM239AQDRQ1 Texas Instruments 1: $1.24 5,489In Stock	Mfr. Part # LM239AQDRQ1 Mouser Part # 595-LM239AQDRQ1	Texas Instruments	Analog Comparators Auto Cat Quad Diff C omparator A 595-LM2 A 595-LM239AQDRG4Q1	Datasheet	5,489In Stock	Cut Tape $1.24 $0.894 $0.806 $0.709 Reel $0.586 View $0.662 $0.634 $0.614 $0.572 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	SOIC-14	4 Channel	CMOS, TTL	300 ns	Differential	2 V	30 V	2 mA	16 mA	3 mV	250 nA	- 40 C	+ 125 C	LM239A	Reel, Cut Tape, MouseReel
Analog Comparators Quad Diff Ind Temp LM2901PWR Texas Instruments 1: $0.377 64,478In Stock	Mfr. Part # LM2901PWR Mouser Part # 595-LM2901PWR	Texas Instruments	Analog Comparators Quad Diff Ind Temp Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	64,478In Stock	Cut Tape $0.377 $0.256 $0.228 $0.196 Reel $0.156 View $0.181 $0.172 $0.164 $0.151 MouseReel Available	Min.: 1 Mult.: 1 : 2,000		SMD/SMT	TSSOP-14	4 Channel	CMOS, TTL	1.3 us	Differential	2 V	30 V	2.5 mA	6 mA	7 mV	250 nA	- 40 C	+ 125 C	LM2901	Reel, Cut Tape, MouseReel
Analog Comparators Auto Cat Quad Diff C omparator A 595-LM2 A 595-LM2901QPWRQ1 LM2901QPWRG4Q1 Texas Instruments 1: $1.09 4,106In Stock	Mfr. Part # LM2901QPWRG4Q1 Mouser Part # 595-LM2901QPWRG4Q1	Texas Instruments	Analog Comparators Auto Cat Quad Diff C omparator A 595-LM2 A 595-LM2901QPWRQ1	Datasheet	4,106In Stock	Cut Tape $1.09 $0.784 $0.706 $0.62 Reel $0.515 View $0.579 $0.554 $0.533 $0.502 MouseReel Available	Min.: 1 Mult.: 1 : 2,000		SMD/SMT	TSSOP-14	4 Channel	CMOS, TTL	1.3 us	Differential	2 V	36 V	2.5 mA		7 mV	250 nA	- 40 C	+ 125 C	LM2901	Reel, Cut Tape, MouseReel
Analog Comparators LOW PWR LOW OFFSET V LTG QUAD COMPARATOR A 926-LM2901MX/NOPB LM2901M/NOPB Texas Instruments 1: $3.21 6,833In Stock	Mfr. Part # LM2901M/NOPB Mouser Part # 926-LM2901M/NOPB	Texas Instruments	Analog Comparators LOW PWR LOW OFFSET V LTG QUAD COMPARATOR A 926-LM2901MX/NOPB	Datasheet	6,833In Stock	$3.21 $2.39 $2.05 $1.91 View $1.81 $1.74 $1.69 $1.65 $1.60	Min.: 1 Mult.: 1		SMD/SMT	SOIC-14	4 Channel	CMOS, TTL	1.3 us	Differential	2 V	36 V	2 mA	16 mA	7 mV	250 nA	- 40 C	+ 85 C	LM2901	Tube
Analog Comparators Lo pwr Lo Offset Vtg Quad Comparator LM139J/PB Texas Instruments 1: $30.69 2,055In Stock	Mfr. Part # LM139J/PB Mouser Part # 926-LM139J	Texas Instruments	Analog Comparators Lo pwr Lo Offset Vtg Quad Comparator	Datasheet	2,055In Stock	$30.69 $24.61 $23.08 $21.40 View $20.61 $20.12 Quote	Min.: 1 Mult.: 1	No	Through Hole	CDIP-14	4 Channel	Rail-to-Rail	700 ns	Differential	2 V	36 V	500 uA	6 mA	5 mV	100 nA	- 55 C	+ 125 C	LM139	Tube
Analog Comparators Automotive 36-V qu a d differential stan LM2901BQDRQ1 Texas Instruments 1: $0.546 2,466In Stock	Mfr. Part # LM2901BQDRQ1 Mouser Part # 595-LM2901BQDRQ1	Texas Instruments	Analog Comparators Automotive 36-V qu a d differential stan Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	2,466In Stock	Cut Tape $0.546 $0.378 $0.376 $0.365 View Reel $0.358 $0.36 $0.358 $0.358 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	SOIC-14	4 Channel	Open Collector	1 us	General Purpose	2 V	36 V	600 uA to 800 uA	4 mA	370 uV	25 nA	- 40 C	+ 125 C	LM2901B	Reel, Cut Tape, MouseReel
Analog Comparators Automotive 36-V qu a d differential stan LM2901BQPWRQ1 Texas Instruments 1: $0.936 3,627In Stock	Mfr. Part # LM2901BQPWRQ1 Mouser Part # 595-LM2901BQPWRQ1	Texas Instruments	Analog Comparators Automotive 36-V qu a d differential stan Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	3,627In Stock	Cut Tape $0.936 $0.668 $0.601 $0.527 Reel $0.437 View $0.501 $0.478 $0.46 $0.417 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	TSSOP-14	4 Channel	CMOS, TTL	1 us	Differential	2 V	36 V			3.5 mV	3.5 nA	- 40 C	+ 125 C	LM2901B	Reel, Cut Tape, MouseReel
Analog Comparators 36-V -40 C to 85 C q uad standard compar LM339BIDR Texas Instruments 1: $0.338 9,787In Stock	Mfr. Part # LM339BIDR Mouser Part # 595-LM339BIDR	Texas Instruments	Analog Comparators 36-V -40 C to 85 C q uad standard compar Learn More about Texas Instruments ti lmx39 lm2901 quad differential comparators	Datasheet	9,787In Stock	Cut Tape $0.338 $0.23 $0.204 $0.176 Reel $0.137 View $0.161 $0.153 $0.146 $0.133 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	SOIC-14	4 Channel	Open Collector	1 us	Differential	2 V	36 V	800 uA		370 uV	25 nA	- 40 C	+ 85 C	LM339B	Reel, Cut Tape, MouseReel
Analog Comparators 5.5-V low-voltage s tandard quad-channel LM339LVDYYR Texas Instruments 1: $0.858 2,376In Stock	Mfr. Part # LM339LVDYYR Mouser Part # 595-LM339LVDYYR	Texas Instruments	Analog Comparators 5.5-V low-voltage s tandard quad-channel Learn More about Texas Instruments ti lmv393lv lmv339lv voltage comparators	Datasheet	2,376In Stock	Cut Tape $0.858 $0.61 $0.546 $0.477 Reel $0.387 View $0.445 $0.425 $0.408 $0.38 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		SMD/SMT	SOT-23-THIN-14	1 Channel	Open Drain		Differential	1.65 V	5.5 V	26 uA		400 uV	5 pA	- 40 C	+ 125 C	LM339LV	Reel, Cut Tape, MouseReel
Analog Comparators EP Quad Diff Compara tor LM239AMDREP Texas Instruments 1: $3.64 2,301In Stock	Mfr. Part # LM239AMDREP Mouser Part # 595-LM239AMDREP	Texas Instruments	Analog Comparators EP Quad Diff Compara tor	Datasheet	2,301In Stock	Cut Tape $3.64 $2.72 $2.50 $2.24 Reel $1.90 View $2.12 $2.07 $2.02 $1.83 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	SOIC-14	4 Channel	Rail-to-Rail	300 ns	Differential	2 V	30 V	2 mA	6 mA	2.5 mV	50 nA	- 55 C	+ 125 C	LM239A	Reel, Cut Tape, MouseReel
Analog Comparators Mil Enhance Quad Dif f Comparator LM239AMPWREP Texas Instruments 1: $3.64 6,086In Stock	Mfr. Part # LM239AMPWREP Mouser Part # 595-LM239AMPWREP	Texas Instruments	Analog Comparators Mil Enhance Quad Dif f Comparator	Datasheet	6,086In Stock	Cut Tape $3.64 $2.72 $2.48 $2.24 $2.12 Reel $1.78 MouseReel Available	Min.: 1 Mult.: 1 : 2,000		SMD/SMT	TSSOP-14	4 Channel	CMOS, TTL	300 ns	Differential	2 V	30 V	2 mA	6 mA	3 mV	250 nA	- 55 C	+ 125 C	LM239A	Reel, Cut Tape, MouseReel

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LMx39/LM2901/LM2901-Q1 Differential Comparators

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