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 (SGD) 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
Texas Instruments Operational Amplifiers - Op Amps Quad General-Purpose Op Amp ALT 595-LM32 ALT 595-LM324DR
248In Stock
5,000Expected 19/11/2026
Cut Tape
$0.694
$0.49
$0.438
$0.379
Reel
$0.306
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 0 C + 70 C LM324 Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad with 2kV ESD Pr otection A 595-LM32 A 595-LM324KAD 3,762In Stock
Cut Tape
$0.598
$0.409
$0.366
$0.317
Reel
$0.256
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 0 C + 70 C LM324KA Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad with 2kV ESD Pr otection A 595-LM32 A 595-LM324AN 1,697In Stock
$0.694
$0.484
$0.432
$0.384
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 LM324KA Tube
Texas Instruments Operational Amplifiers - Op Amps Quad with 2kV ESD Pr otection A 595-LM32 A 595-LM324KAPW 3,659In Stock
Cut Tape
$0.612
$0.431
$0.385
$0.335
Reel
$0.254
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 LM324KA Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad with 2kV ESD Pr otection 909In Stock
$0.966
$0.694
$0.626
$0.589
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 LM324K Tube
Texas Instruments Operational Amplifiers - Op Amps Quad with 2kV ESD Pr otection A 595-LM32 A 595-LM324KPW 2,424In Stock
Cut Tape
$0.721
$0.507
$0.454
$0.396
Reel
$0.318
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 LM324K Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad General-Purpose Op Amp A 595-LM324K A 595-LM324KNSR 3,776In Stock
Cut Tape
$0.87
$0.616
$0.549
$0.477
Reel
$0.385
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 GP Op Amp 3,705In Stock
Cut Tape
$0.449
$0.305
$0.269
$0.233
Reel
$0.177
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 3-26V Quad Lo PWR -40 to 105deg C 10,305In Stock
Cut Tape
$0.462
$0.325
$0.287
$0.245
Reel
$0.189
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
$0.626
$0.445
$0.396
$0.341
Reel
$0.271
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
Texas Instruments Operational Amplifiers - Op Amps LOW PWR QUAD OP AMP A 926-LM324AM/NOPB A A 926-LM324AM/NOPB 244In Stock
10,000On Order
Cut Tape
$1.36
$0.975
$0.879
$0.772
Reel
$0.622
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 0 C + 70 C LM324 Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps LOW PWR QUAD OP AMP A 926-LM324M/NOPB A A 926-LM324M/NOPB 324In Stock
27,500On Order
Cut Tape
$1.31
$0.934
$0.843
$0.741
Reel
$0.613
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 SOIC-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Reel, Cut Tape, MouseReel
STMicroelectronics Operational Amplifiers - Op Amps Quad Low Power 5,118In Stock
$0.422
$0.287
$0.235
$0.219
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 619In Stock
5,000Expected 28/12/2026
Cut Tape
$0.394
$0.287
$0.261
$0.234
Reel
$0.19
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 18/1/2027
Cut Tape
$0.544
$0.377
$0.336
$0.291
Reel
$0.228
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 23/11/2026
$0.898
$0.632
$0.537
$0.495
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 7,427In Stock
30,000On Order
Cut Tape
$0.585
$0.408
$0.364
$0.316
Reel
$0.253
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
STMicroelectronics Operational Amplifiers - Op Amps Quad Low Power 1,002In Stock
4,000Expected 30/6/2027
$0.734
$0.511
$0.423
$0.382
Min.: 1
Mult.: 1
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 Tube

STMicroelectronics Operational Amplifiers - Op Amps Low Power QUAD 1.3 MHz 100dB 98In Stock
30,000On Order
Cut Tape
$0.639
$0.445
$0.397
$0.345
Reel
$0.273
Min.: 1
Mult.: 1
: 3,000
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 QFN-16 SMD/SMT No Shutdown 0 C + 70 C LM324 Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad Op Amp 644In Stock
95,000On Order
Cut Tape
$0.422
$0.29
$0.258
$0.222
Reel
$0.18
Min.: 1
Mult.: 1
: 2,500
4 Channel 1.2 MHz 500 mV/us 7 mV 250 nA 26 V 3 V 1.4 mA 20 mA 80 dB 35 nV/sqrt Hz SOIC-14 SMD/SMT No Shutdown - 40 C + 125 C LM2902 Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Auto Cat Quadruple A 595-LM2902KVQPWRG4Q A 595-LM2902KVQPWRG4Q1 3,030In Stock
Cut Tape
$0.966
$0.688
$0.619
$0.541
Reel
$0.445
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 - 40 C + 125 C LM2902 AEC-Q100 Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad Op Amp 3,542In Stock
21,000On Order
$0.734
$0.507
$0.453
$0.393
Min.: 1
Mult.: 1
4 Channel 1.2 MHz 500 mV/us 7 mV 250 nA 26 V 3 V 1.5 mA 40 mA 70 dB 40 nV/sqrt Hz PDIP-14 Through Hole No Shutdown - 40 C + 125 C LM2902 Tube
Texas Instruments Operational Amplifiers - Op Amps Quad GP Op Amp A 595 -LM324APW A 595-LM3 A 595-LM324APW 109In Stock
24,000Expected 19/3/2027
Cut Tape
$0.435
$0.299
$0.267
$0.228
Reel
$0.184
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 LM324A Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad with 2kV ESD Protection 4,696In Stock
Cut Tape
$0.721
$0.507
$0.454
$0.396
Reel
$0.318
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 0 C + 70 C LM324K Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad 26-V 1-MHz oper ational amplifier 1 A 926-LM2902MT/NOPB 860In Stock
Cut Tape
$2.54
$1.88
$1.70
$1.52
Reel
$1.25
Min.: 1
Mult.: 1
: 2,500
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 TSSOP-14 SMD/SMT No Shutdown - 40 C + 85 C LM2902 Reel, Cut Tape, MouseReel