What are Comparators ?
Comparators are integrated circuits that compare two input voltages and output a signal based on the comparison. They are widely used in applications such as signal conditioning, data acquisition, and control systems. Important specifications for selection include CMRR (Common Mode Rejection Ratio), which affects the accuracy of the comparison; PSRR (Power Supply Rejection Ratio), which ensures stable operation under varying supply voltages; and Hysteresis, which prevents false triggering in noisy environments. When sourcing, it's essential to validate lifecycle status and consider alternate-source options to mitigate supply chain risks.
Parts in this category
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| Part & Mfr | AEC Qualified | Automotive Grade | CMRR, PSRR (Typ) | Current | Current - Quiescent (Max) | Halogen Free | Hysteresis | Industrial Grade | Input Impedance | Lead Spacing | Lead Style | Medical Grade | Military Grade | Mounting Style | Mounting Type | Number of Channels | Number of Elements | Operating Temperature | Operating Temperature Range | Operating Voltage | Output Current | Output Type | Output Voltage | Package / Case | Package Quantity | Power Consumption | Power Dissipation | Propagation Delay | Propagation Delay (Max) | Quiescent Current | Response Time | SVHC Present | Storage Temperature | Supplier Device Package | Supplier Package | Supply Current | Supply Voltage | Tape & Reel | Technology | Type | Voltage | Voltage Reference | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Microchip Technology
|
896
|
$0.36
|
- | - | 70dB CMRR, 80dB PSRR | 600 nA | - | - | 3.3 mV | - | - | 7.62 mm | - | - | - | - | Through Hole | - | 1 | -40°C ~ 85°C | - | - | - | CMOS, Open-Drain, Rail-to-Rail, TTL | - | - | - | - | - | - | 4 µs | - | - | - | - | 8-PDIP | 8-PDIP | - | - | No | - | General Purpose | 1.6V to 5.5V | - | |
Texas Instruments
|
862
|
$0.95
|
- | - | 75dB CMRR, 80dB PSRR | 20µA | - | - | - | - | - | - | - | - | - | - | Surface Mount | 2 | 2 | -40°C ~ 85°C | - | - | - | Open Drain | - | - | - | - | - | - | 10µs | - | - | - | - | 8-SOIC | 8-SOIC | - | - | - | - | General Purpose | 5mV @ 5V | - | |
STMicroelectronics
|
860
|
$0.36
|
- | - | - | 25 μA | - | - | - | - | 10 TΩ | 3.9 mm | - | - | - | - | Surface Mount | - | 4 | 0°C ~ 70°C | - | - | - | CMOS, Open-Drain | - | - | - | - | - | - | - | - | 1.5 ms | - | °C ~ °C | 14-SO | - | 9 μA | - | No | - | General Purpose | 5 mV | - | |
Texas Instruments
|
857
|
Price on request
|
- | - | - | 2mA | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C to +85°C | - | - | - | CMOS, Open-Collector, TTL | - | - | - | - | - | - | 940µs | - | 440 ns | - | °C ~ °C | SOT-23-5 | - | - | - | No | - | General Purpose | 7mV @ 30V | - | |
Texas Instruments
|
850
|
$0.48
|
- | - | 84dB CMRR | 50µA | - | - | - | - | - | 4.4 mm | - | - | - | - | Surface Mount | 2 | 2 | -40°C to 125°C | - | - | - | MOS, Open-Drain | - | - | - | - | - | - | 4.5µs | - | 2.5µs | - | - | 8-TSSOP | 8-TSSOP | - | - | - | - | General Purpose | 5mV @ 10V | - | |
|
Texas Instruments
|
839
|
$0.36
|
- | - | 74dB CMRR, 69.12dB PSRR | 1.2µA | - | - | - | - | - | 3.9 mm | - | - | - | - | Surface Mount | - | 2 | -40°C ~ 125°C | - | - | - | CMOS, Push-Pull, Rail-to-Rail | - | - | - | - | - | - | 13.5µs | - | - | - | °C ~ °C | 8-SOIC | 8-SOIC | - | - | No | - | General Purpose | 15mV @ 5.5V | - | |
Analog Devices / Maxim Integrated
|
828
|
Price on request
|
- | - | 50 dB | 1.1 mA | - | - | 100 µV | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C | - | 2.5 V | - | CMOS, Rail-to-Rail, TTL | - | - | - | 1 mW | - | - | 60 ns | - | - | Not Present | - | 8-MSOP | 8-MSOP | - | - | Yes | - | General Purpose | 3mV @ 2.5V | - | |
Texas Instruments
|
822
|
$0.82
|
- | - | 88 dB CMRR, 105 dB PSRR | 1µA | - | - | - | - | - | - | Surface Mount | - | - | - | Surface Mount | - | 2 | -40°C to 125°C | - | - | - | Push-Pull CMOS | - | - | - | - | - | 36 µs | - | - | - | - | - | 8-VSSOP | 8-MSOP | 560 nA/Channel | 2.5 V to 16 V | - | - | General Purpose | 5mV @ 15V | - | |
Analog Devices / Maxim Integrated
|
814
|
Price on request
|
- | - | 50dB CMRR, 50dB PSRR | 1.1mA | - | - | 100µV | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 125°C | - | - | - | CMOS, Rail-to-Rail, TTL | - | - | - | - | - | - | 60ns | - | - | - | - | 8-MSOP | - | - | - | - | - | General Purpose | 3mV @ 2.5V | - | |
Texas Instruments
|
813
|
$0.34
|
- | - | 84dB CMRR | 40µA | - | - | - | - | - | - | - | - | - | - | Surface Mount | 2 | 2 | -40°C ~ 85°C | - | - | - | MOS, Open-Drain | - | - | - | 110 µW | - | - | 4.5µs | - | - | - | - | 8-TSSOP | 8-TSSOP | - | - | - | - | General Purpose | 5mV @ 10V | - | |
Texas Instruments
|
808
|
$0.75
|
- | - | - | 800µA | - | - | - | - | 10^12 Ω Typ | - | - | - | - | - | Surface Mount | - | 4 | 0°C ~ 70°C | - | - | - | CMOS, MOS, Open-Drain, TTL | - | - | - | - | - | - | - | - | 200 ns Typ for TTL-Level Input Step | - | - | 14-TSSOP | - | - | - | - | - | Differential | 5mV @ 5V | - | |
Texas Instruments
|
805
|
$1.76
|
- | - | 80dB CMRR, 90dB PSRR | 1µA | - | - | - | - | - | - | - | - | - | - | Surface Mount | 1 | 1 | -40°C ~ 85°C | - | - | - | Open Drain | - | - | - | - | - | - | 29µs | - | - | - | - | SOT-23-5 | - | - | - | - | - | General Purpose | 6mV @ 5V | - | |
STMicroelectronics
|
800
|
$0.36
|
- | - | - | 250µA | - | - | - | - | 10¹²Ω | - | - | - | - | - | Surface Mount | - | 4 | 0°C ~ 70°C | - | - | - | CMOS, MOS, Open-Drain, TTL | - | 14-SO | - | - | - | - | - | - | - | - | - | 14-SO | - | - | - | - | - | Differential | 10mV @ 5V | - | |
Analog Devices / Maxim Integrated
|
800
|
$0.36
|
- | - | 80dB CMRR, 80dB PSRR | 72µA | - | - | ±3mV | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | - | - | CMOS, Push-Pull, Rail-to-Rail, TTL | - | - | - | - | - | - | 450ns | - | - | - | - | SOT-6 | SOT-6 | - | - | No | - | With Voltage Reference | 5V | - | |
Analog Devices / Maxim Integrated
|
790
|
$0.36
|
- | - | 80dB | 4µA | - | - | 50mV | - | - | 3.90 mm | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | - | - | Open Drain | - | - | - | - | - | 12µs | - | - | - | - | °C ~ °C | 8-SOIC | - | - | 2.5V to 11V | No | - | With Voltage Reference | 10mV @ 5V | - | |
STMicroelectronics
|
785
|
$0.36
|
- | - | 70dB CMRR | 16µA | - | - | - | - | - | 3.90 mm | - | - | - | - | Surface Mount | - | 4 | -40°C | - | - | - | Push-Pull | - | - | - | - | - | 2µs | 2µs | 16µA | - | - | - | 14-SO | - | - | 2.7V | No | - | General Purpose | 15mV @ 5V | - | |
Texas Instruments
|
777
|
$0.96
|
- | - | - | 20 mA | - | - | 5 mV | - | - | - | - | - | - | - | Surface Mount | 1 | 1 | 0°C ~ 70°C | - | - | - | Complementary, Push-Pull, Tri-State, TTL | - | - | - | - | - | 0.025 µs | 25 ns | - | - | - | - | 8-SOIC | 8-SOIC | - | - | - | - | Differential | 4.75V ~ 5.25V | - | |
Texas Instruments
|
776
|
$0.63
|
- | - | 70dB CMRR, 85dB PSRR | 50µA | - | - | 1.2mV | - | - | - | Through-Hole | - | - | - | Surface Mount | 2 | 2 | -40°C ~ 125°C | - | - | - | Push-Pull | - | - | - | - | - | - | 50ns | - | - | - | - | 8-VSSOP | - | - | - | - | - | General Purpose | 5mV @ 5V | - | |
Analog Devices / Maxim Integrated
|
768
|
$0.36
|
- | - | 80dB CMRR, 80dB PSRR | 6µA | - | - | 50mV | - | - | 3.9 mm | - | - | - | - | Surface Mount | - | 2 | 0°C / 70°C | - | - | - | CMOS, TTL | - | - | - | - | - | - | 12µs | - | - | - | - | 8-SOIC | - | - | - | No | - | with Voltage Reference | 10mV @ 5V | 1.182V ±2% | |
STMicroelectronics
|
755
|
$0.36
|
- | - | - | 2.5mA | - | - | 11.5mV | - | - | 3.90 mm | - | - | - | - | Surface Mount | - | 2 | -40°C ~ 85°C | - | 1.4V | - | - | - | - | - | - | - | 29µs | - | - | - | - | - | 8-SOIC | 8-SOIC | - | - | No | - | with Voltage Reference | 5mV @ 5V | 2.5V | |
Analog Devices / Maxim Integrated
|
753
|
$0.99
|
- | - | 70dB | 120µA | - | - | 2mV | - | - | 0.95 mm | - | - | - | - | Surface Mount | - | 1 | -40°C to +125°C | - | - | 73mA @ 5V | Open Drain | - | - | - | - | - | - | 600ns | - | - | - | °C ~ °C | SC-70-5 | - | - | - | No | - | General Purpose | 7mV @ 5V | - | |
Analog Devices / Maxim Integrated
|
750
|
Price on request
|
- | - | 95 dB | 10 mA | - | - | 500 µV | - | - | - | - | - | - | Surface Mount | SMD/SMT | 1 Channel | 1 | 0 °C to +70 °C | - | - | - | CMOS/TTL | - | - | - | - | 60 mW | - | 45 ns max (typ) | - | - | - | - | 8-SOIC | - | - | - | - | BICOM | Precision With Latch | 1.5mV @ 5V | - | |
Analog Devices / Maxim Integrated
|
746
|
$0.36
|
- | - | 81.94dB CMRR, 81.94dB PSRR | 4mA, 3mA, 1.5mA | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | - | - | TTL | - | - | - | 18mW/Comparator | - | - | - | 700µA | - | - | - | 8-SOIC | - | - | 2.7V ~ 5.5V | - | - | with Latch | 4mV @ ±5V | - | |
Texas Instruments
|
744
|
$0.91
|
- | - | 84dB | 125µA | - | - | - | - | - | 0.154 mm | - | - | - | - | Surface Mount | - | 4 | -40°C ~ 85°C | - | - | - | CMOS, Push-Pull, TTL | - | - | - | - | - | - | 4.5µs | 200µW | - | - | - | 14-SOIC | - | - | - | - | - | General Purpose | 5mV @ 10V | - | |
Texas Instruments
|
740
|
$0.42
|
- | - | - | 3.5µA | - | - | 20mV | - | - | 0 mm | - | - | - | - | Surface Mount | 1 | 1 | -40°C ~ 125°C (TA) | - | - | - | Push-Pull | - | - | - | - | - | 360 ns | 360ns | 0.002 mA | - | - | - | 4-DSBGA | 4-DSBGA | - | - | - | - | General Purpose | 1.6V ~ 5.5V | - | |
STMicroelectronics
|
740
|
$0.36
|
- | - | 82dB CMRR | 25μA | - | - | - | - | 10¹²Ω | 7.62 mm | - | - | - | - | Through Hole | - | 2 | -40°C to 125°C | - | - | - | CMOS, Push-Pull | - | - | - | - | - | - | - | - | 2μs | - | - | 8-DIP | - | 9μA | 2.7V to 16V | No | - | General Purpose | 5mV @ 10V | - | |
Texas Instruments
|
737
|
$0.36
|
- | - | - | 400µA | - | - | - | - | 10^12 Ω | - | - | - | - | - | Surface Mount | - | 2 | 0°C / 70°C | - | - | 6 mA | CMOS, MOS, Open-Drain, TTL | - | - | - | - | 500 mW | - | - | - | 0.2 µs | - | - | 8-TSSOP | - | - | - | No | - | Differential | 5 mV | - | |
Analog Devices / Maxim Integrated
|
724
|
$0.36
|
- | - | 82.5dB | 10µA | - | - | - | - | - | 3.90 mm | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | - | - | TTL | - | - | - | 18 mW/Comparator | - | 8 ns | - | 4mA, 3mA, 1.5mA | - | - | - | 8-SOIC | - | - | 5V to 10V, ±2.5V to ±5V | Tape & Reel | - | with Latch | 4mV | - | |
Texas Instruments
|
710
|
$9.77
|
- | - | - | 2.5mA | - | - | - | - | - | - | - | - | - | - | Through Hole | - | 2 | -55°C ~ 125°C | - | - | - | CMOS, DTL, ECL, MOS, Open-Collector, TTL | - | - | - | - | - | - | 700ns | - | - | - | -55.0°C ~ 125.0°C | TO-99-8 | TO-99-8 | - | - | - | - | General Purpose | 5mV @ 30V | - | |
ROHM Semiconductor
|
702
|
Price on request
|
- | - | - | 1mA | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 2 | -40°C ~ 125°C | - | - | - | Open Collector | - | - | - | - | - | - | - | - | - | - | - | 8-SOP | - | - | - | - | - | General Purpose | 7mV @ 5V | - | |
Texas Instruments
|
700
|
$0.39
|
- | - | - | 2.5mA | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 2 | -40°C ~ 85°C | - | - | - | CMOS, DTL, ECL, MOS, Open-Collector, TTL | - | - | 95 | - | - | - | - | - | - | - | - | 8-SOIC | - | - | - | - | - | General Purpose | 7mV @ 30V | - | |
Texas Instruments
|
700
|
Price on request
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 to 70°C | - | 50 mA | - | 50V | - | - | 135 mW | - | - | - | - | 200 ns | - | - | - | - | - | - | - | - | - | - | - | |
Texas Instruments
|
692
|
$0.58
|
No | No | 74dB CMRR, 69.12dB PSRR | 1.2µA | - | - | - | No | - | - | - | No | No | - | Surface Mount | 1 | 1 | -40°C to 125°C | - | 1.8 V to 5.5 V | - | CMOS, Push-Pull, Rail-to-Rail | - | - | - | - | - | - | 13.5µs | - | - | - | - | 8-SOIC | 8-SOIC | - | - | - | - | General Purpose | 15mV @ 5.5V | - | |
Texas Instruments
|
691
|
$0.73
|
- | - | - | 12.5mA | - | - | - | - | - | 0.154 mm | - | - | - | - | Surface Mount | - | 2 | 0°C ~ 70°C | - | - | - | DTL, Open-Collector, Open-Emitter, RTL, TTL | - | - | - | - | - | - | - | - | Typically 80-ns | - | - | 14-SOIC | - | - | Single 5-V | Yes | - | General Purpose | 1mV @ ±15V | - | |
Texas Instruments
|
640
|
$1.06
|
- | - | 88dB CMRR, 105dB PSRR | 1µA | - | - | - | - | - | - | Surface Mount | - | - | - | Surface Mount | 2 | 2 | -40°C to 125°C | - | - | - | Push-Pull | - | - | - | - | - | 36 µs | - | - | - | - | - | 8-VSSOP | - | 560 nA/Per Channel | 2.5 V to 16 V | - | - | General Purpose | 5mV @ 15V | - | |
Texas Instruments
|
633
|
Price on request
|
- | - | - | 2.5mA | - | - | - | - | - | 0 mm | - | - | - | - | Surface Mount | - | 2 | -25°C | - | - | - | CMOS, MOS, Open-Drain, TTL | - | - | - | - | - | - | - | - | - | - | - | 8-SOIC | - | - | - | No | - | Differential | 30mV | - | |
Microchip Technology
|
630
|
$0.36
|
- | - | 70dB CMRR, 80dB PSRR | 1µA | 1µA | - | 6.5mV | - | - | 3.90 mm | - | - | - | - | Surface Mount | - | 1 | -40°C to 85°C | - | - | - | CMOS, Push-Pull, Rail-to-Rail, TTL | - | - | - | - | - | - | 8µs | - | - | - | - | 8-SOIC | - | - | - | No | - | General Purpose | 7mV @ 5.5V | - | |
Texas Instruments
|
630
|
Price on request
|
- | - | 60dB (Min), 60dB PSRR | 2.5mA | - | - | - | - | - | - | - | - | - | - | Through Hole | - | 2 | -55°C ~ 125°C | - | - | - | Open-Collector, CMOS, DTL, ECL, MOS, TTL | - | - | - | - | - | - | 700ns (Typ) | - | - | - | - | TO-99-8 | - | - | - | - | - | General Purpose | 2mV @ 5V | - | |
Texas Instruments
|
629
|
$0.36
|
- | - | - | 400µA | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 2 | 0°C ~ 70°C | - | - | - | CMOS, MOS, Open-Drain, TTL | - | - | - | - | - | - | - | - | - | - | - | 8-SO | - | - | - | - | - | Differential | 5mV @ 5V | - | |
Microchip Technology
|
614
|
$0.36
|
- | - | 70dB CMRR, 80dB PSRR | 600 nA | - | - | 3.3 mV | - | - | 3.90 mm | - | - | - | - | Surface Mount | - | 2 | -40°C to +85°C | - | - | - | CMOS, Open-Drain, Rail-to-Rail, TTL | ≤ 10V | - | - | - | - | - | 4 µs | - | - | - | - | 8-SOIC | 8-SOIC | - | - | No | - | General Purpose | 1.6V to 5.5V | - | |
On Semiconductor
|
605
|
Price on request
|
- | - | - | 2.5mA | - | Halogen Free/BFR Free | - | - | - | 3.00 mm | - | - | - | - | Surface Mount | - | 2 | -25°C ~ 85°C | - | 2.0 Vdc | - | CMOS, DTL, ECL, MOS, Open-Collector, TTL | - | - | - | - | 5.7 mW/°C | - | - | - | - | - | - | 8-MSOP | - | - | - | No | - | General Purpose | 5mV | - | |
Texas Instruments
|
605
|
$0.81
|
- | - | - | 400µA | - | - | - | - | 10^12 Ω | 4.4 mm | - | - | - | - | Surface Mount | - | 2 | -40°C ~ 85°C | - | - | - | CMOS, MOS, Open-Drain, TTL | - | - | - | - | - | - | - | - | - | - | - | 8-TSSOP | - | 120 µA | - | No | - | Differential | 5mV @ 5V | - | |
Texas Instruments
|
600
|
$1.12
|
- | - | 78dB | 14µA | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C / 85°C | - | - | - | CMOS, Push-Pull, Rail-to-Rail | - | - | - | - | - | - | 2.1 µs | - | - | - | - | SC-70-5 | SOT-23 (DBV) | - | - | - | - | General Purpose | 4mV @ 5V | - | |
Analog Devices / Maxim Integrated
|
594
|
$0.36
|
- | - | [{'name': 'CMRR', 'value': 50.45, 'unit': 'dB', 'display_value': '50.45dB'}, {'name': 'PSRR', 'value': 60, 'unit': 'dB', 'display_value': '60dB'}] | 2.2µA | - | - | 4mV | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C to 85°C | - | 1.8V | - | Open-Drain, Rail-to-Rail | - | - | - | - | - | - | 31µs | - | - | - | °C ~ °C | 6-WLP | - | - | - | Tape & Reel | - | with Voltage Reference | 5mV @ 5V | - | |
Texas Instruments
|
578
|
$0.92
|
- | - | 75dB CMRR, 80dB PSRR | 14µA | - | - | - | - | - | 3.9 mm | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | - | - | Open Drain | - | - | - | - | - | - | 10µs | - | - | - | - | 8-SOIC | - | - | 5V | - | - | General Purpose | 15mV | - | |
On Semiconductor
|
571
|
Price on request
|
- | - | - | - | - | - | - | - | - | - | - | - | - | - | Through Hole | - | 2 | 0°C ~ 70°C | - | - | - | DTL, Open-Collector, RTL, TTL | +35V | - | - | - | - | - | - | - | 80ns | - | - | - | - | - | - | - | - | - | - | - | |
Analog Devices / Maxim Integrated
|
540
|
$0.36
|
- | - | 82dB | 6.6µA | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | - | - | CMOS, Push-Pull, Rail-to-Rail, TTL | - | - | - | - | - | - | 580ns | - | - | - | °C ~ °C | SOT-23-5 | - | - | - | True | - | General Purpose | 1mV | - | |
Analog Devices / Maxim Integrated
|
537
|
$0.36
|
- | - | 70dB CMRR, 65dB PSRR | 39mA | - | - | 30mV | - | - | 0.173 mm | - | - | - | - | Surface Mount | - | 4 | -40°C ~ 85°C | - | - | - | Complementary, Differential, PECL | - | - | - | - | - | - | 0.5ns | - | - | - | °C ~ °C | 24-TSSOP | - | - | - | No | - | General Purpose | 5mV @ -5.2V, 5V | - | |
Linear Technology
|
527
|
Price on request
|
- | - | 75dB CMRR, 85dB PSRR | 22mA | - | - | 100mV | - | - | 3.00 mm | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | - | - | CMOS, Complementary, Rail-to-Rail, TTL | - | - | - | - | - | - | 6ns | - | - | - | °C ~ °C | 8-MSOP | 8-MSOP | - | - | No | - | with Latch | 5mV @ 5V | - | |
|
Analog Devices / Maxim Integrated
|
525
|
$0.36
|
- | - | 80dB | 6µA | - | - | 50mV | - | - | 3.00 mm | - | - | - | - | Surface Mount | - | 2 | 0°C / 70°C | - | - | 0.015mA | CMOS, TTL | - | - | - | - | - | - | 12µs | - | - | - | - | 8-uMAX/uSOP | - | - | - | No | - | with Voltage Reference | 10mV @ 5V | 1.182V |
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