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 (GBP) 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
£0.383
£0.271
£0.242
£0.21
Reel
£0.169
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
£0.33
£0.226
£0.202
£0.175
Reel
£0.141
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
£0.383
£0.267
£0.238
£0.212
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
£0.338
£0.238
£0.212
£0.185
Reel
£0.141
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
£0.533
£0.383
£0.346
£0.325
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
£0.398
£0.28
£0.251
£0.218
Reel
£0.175
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
£0.48
£0.34
£0.303
£0.264
Reel
£0.212
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
£0.248
£0.168
£0.148
£0.128
Reel
£0.098
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
£0.255
£0.18
£0.158
£0.135
Reel
£0.105
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
£0.346
£0.245
£0.218
£0.189
Reel
£0.149
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
£0.751
£0.539
£0.485
£0.426
Reel
£0.343
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
£0.721
£0.516
£0.465
£0.409
Reel
£0.339
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
£0.233
£0.158
£0.13
£0.12
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
£0.217
£0.158
£0.144
£0.129
Reel
£0.105
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 18/01/2027
Cut Tape
£0.30
£0.208
£0.185
£0.161
Reel
£0.126
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
£0.496
£0.349
£0.297
£0.273
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
£0.323
£0.225
£0.201
£0.175
Reel
£0.14
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 902In Stock
4,000Expected 30/06/2027
£0.405
£0.282
£0.233
£0.211
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
£0.353
£0.245
£0.219
£0.19
Reel
£0.151
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
£0.233
£0.16
£0.142
£0.122
Reel
£0.10
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
£0.533
£0.38
£0.341
£0.299
Reel
£0.245
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
£0.405
£0.28
£0.25
£0.217
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 19/03/2027
Cut Tape
£0.24
£0.165
£0.148
£0.126
Reel
£0.101
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
£0.398
£0.28
£0.251
£0.218
Reel
£0.175
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
£1.41
£1.04
£0.943
£0.841
Reel
£0.689
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