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 (THB) 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
฿11.00
฿7.46
฿6.56
฿5.90
Reel
฿4.30
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
฿18.33
฿13.69
฿12.43
฿11.06
Reel
฿8.96
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
฿57.31
฿41.98
฿35.65
฿33.32
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
฿18.33
฿12.76
฿11.40
฿9.90
Reel
฿7.50
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
฿18.99
฿13.29
฿11.90
฿10.36
Reel
฿8.03
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 11/23/2026
Cut Tape
฿21.66
฿15.13
฿13.49
฿11.73
Reel
฿8.90
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 11/12/2026
Cut Tape
฿8.00
฿5.66
฿5.13
฿4.33
Reel
฿3.83
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
฿15.99
฿11.30
฿10.10
฿8.76
Reel
฿6.56
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
฿21.66
฿15.13
฿13.49
฿11.73
Reel
฿9.43
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 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 12/18/2026
Cut Tape
฿12.99
฿9.13
฿8.20
฿7.13
Reel
฿5.46
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
฿11.66
฿8.03
฿7.16
฿6.16
Reel
฿4.90
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
฿11.66
฿8.10
฿7.20
฿6.23
Reel
฿4.96
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
฿10.00
฿6.80
฿6.03
฿5.16
Reel
฿4.30
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 3,506In Stock
฿39.32
฿28.32
฿25.59
฿22.59
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 11/23/2026
฿51.98
฿38.32
฿32.19
฿29.75
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
฿65.64
฿49.65
฿44.65
฿41.65
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
฿45.65
฿33.12
฿30.02
฿26.59
Reel
฿22.92
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
฿39.32
฿28.32
฿25.59
฿22.59
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 12/18/2026
Cut Tape
฿11.00
฿7.56
฿6.73
฿5.80
Reel
฿4.56
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
฿15.66
฿10.93
฿9.73
฿8.40
Reel
฿6.30
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 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 11/3/2027
฿10.33
฿7.03
฿5.76
฿5.36
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
฿9.66
฿7.03
฿6.40
฿5.73
Reel
฿4.66
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
฿13.33
฿9.23
฿8.23
฿7.13
Reel
฿5.60
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
฿21.99
฿15.49
฿13.16
฿12.13
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
฿14.33
฿10.00
฿8.93
฿7.73
Reel
฿6.20
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