Comparators for AC/DC Power Supplies

The comparator is so named because it is a device used to compare two voltages. An open-loop operational amplifier (op-amp) is a simple example of a comparator; the output assumes one of two values corresponding with the greater input. Comparators are used in a wide variety of applications and are made according to a large range of specifications, such as maximum switching speed, power consumption, and supply voltage range.

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Results: 60
Select Image Part # Mfr. Description Datasheet Availability Pricing (CRC) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Number of Channels GBP - Gain Bandwidth Product SR - Slew Rate Vos - Input Offset Voltage Ib - Input Bias Current Supply Voltage - Max Supply Voltage - Min Operating Supply Current Output Current per Channel CMRR - Common Mode Rejection Ratio en - Input Voltage Noise Density Package / Case Mounting Style Shutdown Minimum Operating Temperature Maximum Operating Temperature Series Qualification Packaging
STMicroelectronics Operational Amplifiers - Op Amps Low power, bipolar op-amp 20 531In Stock
Cut Tape
₡171,75
₡116,58
₡102,53
₡92,12
Reel
₡67,14
Min.: 1
Mult.: 1
: 2 500
4 Channel 1.3 MHz 400 mV/us 7 mV 150 nA 15 V, 30 V 1.5 V, 3 V 1.5 mA 40 mA 80 dB 40 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown - 40 C + 125 C LM2902 Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad Gen Purp w/2kV ESD Protection 7 528In Stock
Cut Tape
₡286,26
₡213,91
₡194,13
₡172,79
Reel
₡140,01
Min.: 1
Mult.: 1
: 2 500
4 Channel 1.2 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.4 mA 20 mA 80 dB 35 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown - 40 C + 125 C LM2902KAV Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps LOW PWR QUAD OP AMP 12 521In Stock
₡895,20
₡655,79
₡556,90
₡520,47
Min.: 1
Mult.: 1
4 Channel 1 MHz 1.5 V/us 7 mV 250 nA 26 V 3 V 1.5 mA 40 mA 70 dB 40 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown - 40 C + 85 C LM2902 Tube
Texas Instruments Operational Amplifiers - Op Amps Quad General-Purpose A 595-LM2902BIPWR A A 595-LM2902BIPWR 3 347In Stock
Cut Tape
₡296,67
₡207,67
₡185,81
₡161,86
Reel
₡125,43
Min.: 1
Mult.: 1
: 2 000
4 Channel 1.2 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.4 mA 20 mA 80 dB 35 nV/sqrt Hz SO-14 SMD/SMT No Shutdown - 40 C + 125 C LM2902K Reel, Cut Tape, MouseReel

STMicroelectronics Operational Amplifiers - Op Amps Low power, low input bias current 7 185In Stock
7 500Expected 11/12/2026
Cut Tape
₡124,91
₡88,48
₡80,15
₡67,66
Reel
₡59,85
Min.: 1
Mult.: 1
: 2 500
4 Channel 1.3 MHz 400 mV/us 7 mV 100 nA 15 V, 30 V 1.5 V, 3 V 1.5 mA 40 mA 80 dB 40 nV/sqrt Hz TSSOP-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad Gen Purp w/2kV ESD Protection 3 858In Stock
Cut Tape
₡249,82
₡176,44
₡157,70
₡136,88
Reel
₡102,53
Min.: 1
Mult.: 1
: 2 500
4 Channel 1.2 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.4 mA 20 mA 80 dB 35 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown - 40 C + 125 C LM2902KV Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad General-Purpose Op Amp ALT 595-LM32 ALT 595-LM324NSR
3 425In Stock
Cut Tape
₡338,30
₡236,29
₡210,79
₡183,20
Reel
₡147,29
Min.: 1
Mult.: 1
: 2 000
4 Channel 1.2 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.4 mA 20 mA 80 dB 35 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad General-Purpose Op Amp ALT 595-LM32 ALT 595-LM324NSR
1 594In Stock
2 000Expected 11/26/2026
Cut Tape
₡338,30
₡236,29
₡210,79
₡183,20
Reel
₡138,96
Min.: 1
Mult.: 1
: 2 000
4 Channel 1.2 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.4 mA 20 mA 80 dB 35 nV/sqrt Hz SO-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad General-Purpose Op Amp ALT 595-LM32 ALT 595-LM324PWR
1 925In Stock
Cut Tape
₡286,26
₡199,34
₡178,00
₡154,58
Reel
₡117,10
Min.: 1
Mult.: 1
: 2 000
4 Channel 1.2 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.4 mA 20 mA 80 dB 35 nV/sqrt Hz TSSOP-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Reel, Cut Tape, MouseReel

onsemi Operational Amplifiers - Op Amps 3-32V Quad 3mV VIO Commercial Temp 18 632In Stock
17 500Expected 11/19/2026
Cut Tape
₡202,98
₡142,61
₡128,03
₡111,38
Reel
₡85,36
Min.: 1
Mult.: 1
: 2 500
4 Channel 1 MHz 600 mV/us 3 mV 100 nA 16 V, 32 V 1.5 V, 3 V 1.2 mA 40 mA 70 dB SOIC-14 SMD/SMT No Shutdown 0 C + 70 C LM324A Reel, Cut Tape, MouseReel

onsemi Operational Amplifiers - Op Amps 3-32V Quad 5mV VIO Commercial Temp 33 503In Stock
Cut Tape
₡182,16
₡125,43
₡111,90
₡96,29
Reel
₡76,51
Min.: 1
Mult.: 1
: 2 500
4 Channel 1 MHz 600 mV/us 7 mV 250 nA 16 V, 32 V 1.5 V, 3 V 1.2 mA 40 mA 70 dB SOIC-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Reel, Cut Tape, MouseReel
STMicroelectronics Operational Amplifiers - Op Amps Low power, low input bias current 15 978In Stock
57 500On Order
Cut Tape
₡182,16
₡126,47
₡112,42
₡97,33
Reel
₡77,55
Min.: 1
Mult.: 1
: 2 500
4 Channel 1.3 MHz 400 mV/us 5 mV 100 nA 15 V, 30 V 1.5 V, 3 V 1.5 mA 40 mA 80 dB 40 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown 0 C + 70 C LM324A Reel, Cut Tape, MouseReel
STMicroelectronics Operational Amplifiers - Op Amps Low power, low input bias current 92 153In Stock
Cut Tape
₡156,14
₡106,17
₡94,20
₡80,67
Reel
₡67,14
Min.: 1
Mult.: 1
: 2 500
4 Channel 1.3 MHz 400 mV/us 7 mV 100 nA 15 V, 30 V 1.5 V, 3 V 1.5 mA 40 mA 80 dB 40 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps LOW PWR QUAD OP AMP 3 896In Stock
₡614,15
₡442,40
₡399,72
₡352,88
Min.: 1
Mult.: 1
4 Channel 1.2 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.4 mA 20 mA 80 dB 35 nV/sqrt Hz PDIP-14 Through Hole No Shutdown 0 C + 70 C LM324 Tube
Texas Instruments Operational Amplifiers - Op Amps LOW PWR QUAD OP AMP A 926-LM324MX/NOPB A A 926-LM324MX/NOPB 5 968In Stock
6 435Expected 11/26/2026
₡811,93
₡598,54
₡502,77
₡464,78
Min.: 1
Mult.: 1
4 Channel 1 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.4 mA 20 mA 80 dB 40 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Tube
Texas Instruments Operational Amplifiers - Op Amps Quad 32-V 1-MHz oper ational amplifier 1 A 926-LM324MTX/NOPB 1 713In Stock
₡1 025,32
₡775,49
₡697,42
₡650,58
Min.: 1
Mult.: 1
4 Channel 1 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.4 mA 20 mA 80 dB 40 nV/sqrt Hz TSSOP-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Tube
Texas Instruments Operational Amplifiers - Op Amps Quad 32-V 1-MHz oper ational amplifier 1 A 926-LM324MT/NOPB 5 958In Stock
10 000Expected 5/17/2027
Cut Tape
₡713,04
₡517,34
₡468,94
₡415,33
Reel
₡358,08
Min.: 1
Mult.: 1
: 2 500
4 Channel 1 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.4 mA 20 mA 80 dB 40 nV/sqrt Hz TSSOP-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps LOW PWR QUAD OP AMP 5 474In Stock
12 291Expected 11/13/2026
₡614,15
₡442,40
₡399,72
₡352,88
Min.: 1
Mult.: 1
4 Channel 1.2 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.4 mA 20 mA 80 dB 35 nV/sqrt Hz PDIP-14 Through Hole No Shutdown 0 C + 70 C LM324 Tube

onsemi Operational Amplifiers - Op Amps 3-26V Quad Lo PWR -40 to 105deg C 10 205In Stock
7 500Expected 12/25/2026
Cut Tape
₡171,75
₡118,15
₡105,13
₡90,56
Reel
₡71,30
Min.: 1
Mult.: 1
: 2 500
4 Channel 1 MHz 600 mV/us 7 mV 250 nA 16 V, 32 V 1.5 V, 3 V 1.2 mA 40 mA 70 dB SOIC-14 SMD/SMT No Shutdown - 40 C + 105 C LM2902 Reel, Cut Tape, MouseReel

onsemi Operational Amplifiers - Op Amps 3-32V Quad 5mV VIO Commercial Temp 2 531In Stock
Cut Tape
₡244,62
₡170,71
₡151,98
₡131,16
Reel
₡98,37
Min.: 1
Mult.: 1
: 2 500
4 Channel 1 MHz 600 mV/us 7 mV 250 nA 16 V, 32 V 1.5 V, 3 V 1.2 mA 40 mA 70 dB TSSOP-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Reel, Cut Tape, MouseReel
STMicroelectronics Operational Amplifiers - Op Amps Quad Low Power 4 878In Stock
6 000Expected 11/3/2027
₡161,34
₡109,82
₡90,04
₡83,79
Min.: 1
Mult.: 1
4 Channel 1.3 MHz 400 mV/us 7 mV 150 nA 15 V, 30 V 1.5 V, 3 V 1.5 mA 40 mA 80 dB 40 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown - 40 C + 125 C LM2902 Tube

STMicroelectronics Operational Amplifiers - Op Amps Low power, bipolar op-amp 610In Stock
5 000Expected 12/28/2026
Cut Tape
₡150,93
₡109,82
₡99,93
₡89,52
Reel
₡72,87
Min.: 1
Mult.: 1
: 2 500
4 Channel 1.3 MHz 400 mV/us 7 mV 150 nA 15 V, 30 V 1.5 V, 3 V 1.5 mA 40 mA 80 dB 40 nV/sqrt Hz TSSOP-14 SMD/SMT No Shutdown - 40 C + 125 C LM2902 Reel, Cut Tape, MouseReel

STMicroelectronics Operational Amplifiers - Op Amps 1.3 MHz 100dB BI 375uA Quad Op AMP 6 063In Stock
12 000Expected 1/18/2027
Cut Tape
₡208,19
₡144,17
₡128,55
₡111,38
Reel
₡87,44
Min.: 1
Mult.: 1
: 3 000
4 Channel 1.3 MHz 400 mV/us 9 mV 150 nA 15 V, 30 V 1.5 V, 3 V 1.5 mA 40 mA 80 dB 40 nV/sqrt Hz QFN-16 SMD/SMT No Shutdown - 40 C + 125 C LM2902 Reel, Cut Tape, MouseReel
STMicroelectronics Operational Amplifiers - Op Amps Quad Low Power 33In Stock
3 000Expected 11/16/2026
₡343,51
₡242,02
₡205,58
₡189,45
Min.: 1
Mult.: 1
4 Channel 1.3 MHz 400 mV/us 5 mV 100 nA 15 V, 30 V 1.5 V, 3 V 1.5 mA 40 mA 80 dB 40 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown 0 C + 70 C LM324A Tube

STMicroelectronics Operational Amplifiers - Op Amps Low power, low input bias current 539In Stock
30 000On Order
Cut Tape
₡223,80
₡156,14
₡139,48
₡120,75
Reel
₡96,81
Min.: 1
Mult.: 1
: 2 500
4 Channel 1.3 MHz 400 mV/us 5 mV 100 nA 15 V, 30 V 1.5 V, 3 V 1.5 mA 40 mA 80 dB 40 nV/sqrt Hz TSSOP-14 SMD/SMT No Shutdown 0 C + 70 C LM324A Reel, Cut Tape, MouseReel