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
STMicroelectronics Operational Amplifiers - Op Amps Low power, bipolar op-amp 20,529In Stock
Cut Tape
£0.248
£0.168
£0.148
£0.133
Reel
£0.097
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
£0.413
£0.308
£0.28
£0.25
Reel
£0.202
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 12,479In Stock
£1.29
£0.943
£0.803
£0.751
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 Op Amp ALT 595-LM32 ALT 595-LM324PWR
1,925In Stock
Cut Tape
£0.413
£0.287
£0.257
£0.223
Reel
£0.181
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
Texas Instruments Operational Amplifiers - Op Amps Quad General-Purpose A 595-LM2902BIPWR A A 595-LM2902BIPWR 3,347In Stock
Cut Tape
£0.428
£0.299
£0.268
£0.233
Reel
£0.181
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
Texas Instruments Operational Amplifiers - Op Amps Quad General-Purpose Op Amp ALT 595-LM32 ALT 595-LM324NSR
1,596In Stock
2,000Expected 23/11/2026
Cut Tape
£0.488
£0.34
£0.304
£0.265
Reel
£0.201
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

STMicroelectronics Operational Amplifiers - Op Amps Low power, low input bias current 7,185In Stock
7,500Expected 12/11/2026
Cut Tape
£0.18
£0.127
£0.115
£0.098
Reel
£0.086
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 3,848In Stock
Cut Tape
£0.361
£0.255
£0.228
£0.197
Reel
£0.148
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
£0.488
£0.34
£0.304
£0.265
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

onsemi Operational Amplifiers - Op Amps 3-32V Quad 3mV VIO Commercial Temp 18,632In Stock
17,500Expected 18/12/2026
Cut Tape
£0.292
£0.206
£0.185
£0.161
Reel
£0.123
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 33,501In Stock
Cut Tape
£0.263
£0.181
£0.162
£0.139
Reel
£0.11
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 15,974In Stock
57,500On Order
Cut Tape
£0.263
£0.182
£0.162
£0.141
Reel
£0.112
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
£0.225
£0.153
£0.136
£0.116
Reel
£0.097
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 3,496In Stock
£0.882
£0.638
£0.576
£0.509
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 5,750In Stock
6,435Expected 23/11/2026
£1.17
£0.863
£0.725
£0.67
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
£1.48
£1.12
£1.00
£0.943
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 17/05/2027
Cut Tape
£1.03
£0.746
£0.677
£0.599
Reel
£0.517
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 19,219In Stock
£0.882
£0.638
£0.576
£0.509
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 18/12/2026
Cut Tape
£0.248
£0.17
£0.152
£0.131
Reel
£0.103
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
£0.353
£0.246
£0.219
£0.189
Reel
£0.142
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 4,866In Stock
6,000Expected 03/11/2027
£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 610In 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 16/11/2026
£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
47,500On 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