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 (HKD) 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 Gen Purp w/2kV ESD Protection 7,653In Stock
Cut Tape
HK$5.34
HK$3.85
HK$3.44
HK$3.01
Reel
HK$2.34
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 14,698In Stock
HK$14.14
HK$10.36
HK$8.80
HK$8.22
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 Gen Purp w/2kV ESD Protection 3,858In Stock
Cut Tape
HK$3.95
HK$2.79
HK$2.49
HK$2.16
Reel
HK$1.62
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 GP Op Amp A 595 -LM324BIPWR A 595-L A 595-LM324BIPWR 2,609In Stock
Cut Tape
HK$5.75
HK$4.06
HK$3.64
HK$3.19
Reel
HK$2.46
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 LM324A Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad General-Purpose Op Amp ALT 595-LM32 ALT 595-LM324NSR
3,432In Stock
Cut Tape
HK$5.34
HK$3.73
HK$3.33
HK$2.89
Reel
HK$2.33
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 with 2kV ESD Pr otection A 595-LM32 A 595-LM324KAPW 3,801In Stock
Cut Tape
HK$3.70
HK$2.61
HK$2.33
HK$2.02
Reel
HK$1.54
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 General-Purpose Op Amp ALT 595-LM32 ALT 595-LM324NSR
1,925In Stock
Cut Tape
HK$5.34
HK$3.73
HK$3.33
HK$2.89
Reel
HK$2.19
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
2,062In Stock
Cut Tape
HK$4.52
HK$3.15
HK$2.81
HK$2.44
Reel
HK$1.85
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

STMicroelectronics Operational Amplifiers - Op Amps Low power, low input bias current 7,185In Stock
7,500Expected 11/11/2026
Cut Tape
HK$2.47
HK$1.69
HK$1.45
HK$1.25
Reel
HK$1.03
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 General-Purpose A 595-LM2902BIPWR A A 595-LM2902BIPWR 3,347In Stock
Cut Tape
HK$4.69
HK$3.28
HK$2.93
HK$2.56
Reel
HK$2.01
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 Op Amp 12,232In Stock
Cut Tape
HK$2.47
HK$1.69
HK$1.50
HK$1.31
Reel
HK$1.05
Min.: 1
Mult.: 1
: 2,000
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 TSSOP-14 SMD/SMT No Shutdown - 40 C + 125 C LM2902 Reel, Cut Tape, MouseReel

onsemi Operational Amplifiers - Op Amps 3-26V Quad Lo PWR -40 to 105deg C 13,533In Stock
Cut Tape
HK$2.79
HK$1.96
HK$1.73
HK$1.48
Reel
HK$1.14
Min.: 1
Mult.: 1
Max.: 2,500
: 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 3mV VIO Commercial Temp 23,743In Stock
Cut Tape
HK$3.37
HK$2.40
HK$2.14
HK$1.84
Reel
HK$1.46
Min.: 1
Mult.: 1
Max.: 2,500
: 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
Texas Instruments Operational Amplifiers - Op Amps Quad 32-V 1-MHz oper ational amplifier 1 A 926-LM324MT/NOPB 6,800In Stock
10,000Expected 13/5/2027
Cut Tape
HK$11.26
HK$8.17
HK$7.41
HK$6.56
Reel
HK$5.66
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
STMicroelectronics Operational Amplifiers - Op Amps Low power, low input bias current 16,038In Stock
57,500On Order
Cut Tape
HK$2.88
HK$2.00
HK$1.78
HK$1.54
Reel
HK$1.22
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 95,638In Stock
Cut Tape
HK$2.47
HK$1.68
HK$1.49
HK$1.27
Reel
HK$1.06
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

onsemi Operational Amplifiers - Op Amps 3-32V Quad 5mV VIO Commercial Temp 36,599In Stock
Cut Tape
HK$3.04
HK$2.10
HK$1.86
HK$1.59
Reel
HK$1.22
Min.: 1
Mult.: 1
Max.: 2,500
: 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
Texas Instruments Operational Amplifiers - Op Amps Quad 26-V 1-MHz oper ational amplifier 1 1,602In Stock
HK$14.63
HK$10.77
HK$9.70
HK$8.55
Min.: 1
Mult.: 1
4 Channel 1 MHz 500 mV/us 7 mV 250 nA 32 V 3 V 1.5 mA 40 mA 70 dB 40 nV/sqrt Hz PDIP-14 Through Hole No Shutdown - 40 C + 85 C LM2902 Tube
Texas Instruments Operational Amplifiers - Op Amps LOW PWR QUAD OP AMP A 926-LM324AMX/NOPB A 926-LM324AMX/NOPB 4,847In Stock
HK$12.82
HK$9.45
HK$7.94
HK$7.51
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 SOIC-14 SMD/SMT No Shutdown 0 C + 70 C LM324 Tube
Texas Instruments Operational Amplifiers - Op Amps LOW PWR QUAD OP AMP 4,386In Stock
HK$9.70
HK$6.99
HK$6.31
HK$5.57
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 9,253In Stock
HK$12.82
HK$9.45
HK$7.94
HK$7.34
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 1,712In Stock
HK$16.19
HK$12.25
HK$11.01
HK$10.28
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 General-Purpose Op Amp ALT 595-LM29 ALT 595-LM2902DR
524In Stock
Cut Tape
HK$3.45
HK$2.41
HK$2.15
HK$1.85
Reel
HK$1.45
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 Quad General-Purpose 4,513In Stock
Cut Tape
HK$2.96
HK$2.03
HK$1.81
HK$1.55
Reel
HK$1.22
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 LM2902K Reel, Cut Tape, MouseReel
Texas Instruments Operational Amplifiers - Op Amps Quad General-Purpose 1,074In Stock
HK$4.60
HK$3.24
HK$2.90
HK$2.54
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 SMD/SMT No Shutdown - 40 C + 125 C LM2902K Tube