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) | Channels | Current | Halogen Free | Height | Hysteresis | Industrial Grade | Input Capacitance | Input Impedance | Lead Spacing | Lead Style | Length | Medical Grade | Military Grade | Mounting Type | Number of Channels | Number of Elements | Operating Temperature | Output Current | Output Type | Output Voltage | PSRR | 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 | Type | Voltage | Voltage Reference | Width | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments
|
31
|
$12.18
|
- | - | - | - | 6mA | - | - | - | - | - | - | - | - | - | - | - | Through Hole | - | 1 | -55°C ~ 125°C | - | DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL | - | - | 135 mW | - | - | - | - | - | - | - | 8-CDIP | - | - | - | - | General Purpose | 3mV | - | - | |
Analog Devices / Maxim Integrated
|
30
|
$0.36
|
- | - | 50.45dB CMRR, 60dB PSRR | - | 0.6µA | - | - | 4mV | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | CMOS, Push-Pull, Rail-to-Rail | - | - | - | - | - | 40µs | - | - | - | °C ~ °C | 6-WLP | 6-UCSP | - | - | True | General Purpose | 1.8V | - | - | |
Texas Instruments
|
30
|
$2.37
|
- | - | - | - | 60 µA | - | - | 8.8mV | - | - | - | 4 mm | - | - | - | - | Surface Mount | - | 6 | -40°C / 125°C | - | NMOS, Open-Drain | - | - | - | - | - | 7µs | - | - | - | - | 24-WQFN (4x4) | - | - | - | - | Window | 2.2 V / 5.5 V | - | - | |
|
Analog Devices / Maxim Integrated
|
30
|
$0.36
|
- | - | 80dB | - | 8.5µA | - | - | - | - | - | - | - | - | - | - | - | Through Hole | 4 Channel | 4 | -40°C ~ 85°C | - | Open Drain | - | - | - | 696mW | 12µs | - | 4µA | - | - | - | 16-PDIP | 16-DIP (0.300", 7.62mm) | - | - | - | with Voltage Reference | 10mV @ 5V | - | - | |
On Semiconductor
|
28
|
Price on request
|
No | No | - | - | 2.5mA | Halogen Free | - | - | No | - | - | 2.54 mm | - | - | No | No | Through Hole | - | 2 | 0°C / 70°C | - | - | - | - | - | - | - | - | - | - | - | - | 8-DIP | 8-DIP | - | - | No | Differential | 2mV @ 5V | - | - | |
STMicroelectronics
|
26
|
Price on request
|
- | - | - | - | 2.5mA | - | - | - | - | - | - | 7.62 mm | - | - | - | - | Through Hole | - | 4 | 0°C ~ 70°C | - | CMOS, DTL, ECL, MOS, Open-Collector, TTL | - | - | - | - | - | - | - | - | - | - | 14-DIP | - | - | - | No | General Purpose | 2mV @ 30V | - | - | |
Analog Devices / Maxim Integrated
|
25
|
$0.36
|
- | - | 53dB PSRR | - | 1.1µA | - | - | ±12mV | - | - | - | 1.05 mm | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | Push-Pull | - | - | - | - | - | 15µs | - | - | - | - | 4-UCSP (1.05x1.05) | - | - | - | No | with Voltage Reference | 1V ~ 5.5V | - | - | |
Analog Devices / Maxim Integrated
|
25
|
$0.99
|
- | - | 70dB CMRR, 73dB PSRR | - | 5.8mA | - | - | 4.7mV | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -55°C to 125°C | - | CMOS | - | - | - | - | 2.9ns | 5ns | - | - | - | °C ~ °C | TSOT-23-5 | TSOT-23-5 | - | - | No | General Purpose | 5.5mV @ 3.3V | - | - | |
Texas Instruments
|
25
|
$0.36
|
- | - | - | - | 800µA | - | - | - | - | - | - | - | Surface Mount | - | - | - | Surface Mount | - | 4 | 0°C ~ 70°C | - | CMOS, MOS, Open-Drain, TTL | - | - | - | - | - | - | - | - | - | - | 14-TSSOP | - | - | - | No | Differential | 5mV @ 5V | - | - | |
|
Texas Instruments
|
23
|
Price on request
|
- | - | 73dB CMRR, 77dB PSRR | - | 900nA | - | - | 17mV | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 125°C (TA) | - | Open-Drain, Rail-to-Rail | - | - | - | - | - | 3µs (Typ) | - | - | - | - | SOT-23-5 | - | - | - | - | General Purpose | 8mV @ 5V | - | - | |
Texas Instruments
|
23
|
$0.72
|
- | - | - | - | 150µA | - | - | - | - | - | 10^12Ω | - | - | - | - | - | Surface Mount | - | 2 | -40°C ~ 125°C | - | CMOS, MOS, Open-Drain, TTL | - | - | - | - | - | - | - | 200ns | - | - | 8-SOIC | - | - | - | - | Differential | 3V to 16V | - | - | |
Analog Devices / Maxim Integrated
|
22
|
$0.36
|
- | - | 80dB CMRR, 80dB PSRR | - | 4µA | - | - | 50mV | - | - | - | 3.9 mm | - | - | - | - | Surface Mount | - | 2 | 0°C ~ 70°C | - | CMOS, TTL | - | - | - | - | - | 12µs | - | - | - | - | 8-SOIC | 8-SOIC | - | - | - | with Voltage Reference | 10mV @ 5V | 1.182V | - | |
Analog Devices / Maxim Integrated
|
22
|
Price on request
|
- | - | 90dB CMRR, 70dB PSRR | - | 18mA,36mA | - | - | - | - | 2 pF | - | - | J-Lead | - | - | - | Surface Mount | - | 2 | -25°C ~ 85°C | - | Complementary, ECL, Open-Emitter | - | - | 118 mW | - | - | 3.5 ns | - | - | - | - | 20-PLCC (9x9) | 20-PLCC (9x9) | - | - | - | with Latch | 2mV @ -5.2V, 5V | - | - | |
Advanced Micro Devices
|
20
|
Price on request
|
- | - | 80dB | - | 26mA | - | - | - | - | - | - | - | - | - | - | - | Through Hole | - | 1 | -55°C ~ 125°C | - | Open-Emitter, ECL | - | - | - | - | - | 6.5ns | - | - | Not Present | - | 16-CDIP | - | - | - | - | General Purpose | 2mV | - | - | |
Linear Technology
|
20
|
Price on request
|
- | - | 80dB | - | 680nA | - | - | 50mV | - | - | - | 3.0 mm | - | - | - | - | Surface Mount | - | 1 | 0°C ~ 70°C | - | CMOS, Rail-to-Rail, TTL | - | - | - | - | - | 60µs (Typ) | - | - | - | - | 8-MSOP | 8-MSOP | - | - | - | with Voltage Reference | 12mV @ 5V | - | - | |
|
Texas Instruments
|
19
|
Price on request
|
- | - | - | - | 2.5mA | - | - | - | - | - | - | 3.9 mm | - | - | - | - | Surface Mount | - | 2 | 0°C ~ 70°C | - | CMOS, MOS, Open-Drain, TTL | - | - | - | - | - | - | - | - | - | - | 8-SOIC | 8-SOIC | - | - | No | Differential | 2mV @ 30V | - | - | |
Analog Devices / Maxim Integrated
|
15
|
$0.36
|
- | - | 80dB | - | 7.5µA | - | - | 50mV | - | - | - | 7.62 mm | - | - | - | - | Through Hole | - | 2 | 0°C / 70°C | - | CMOS, TTL | - | - | - | - | - | 12μs | 4μA | - | - | - | 8-PDIP | 8-PDIP | - | - | No | with Voltage Reference | 10mV @ 5V | 1.182V ±1% | - | |
Analog Devices / Maxim Integrated
|
15
|
Price on request
|
- | - | - | - | 15µA | - | - | 6.5mV | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 125°C | 5 mA | Open Collector | - | - | - | - | 29µs | 29µs | - | - | - | - | TSOT-23-5 | TSOT-23-5 | - | 1.4V to 18V | - | with Voltage Reference | 1.4V ~ 18V | - | - | |
Analog Devices / Maxim Integrated
|
15
|
$0.36
|
- | - | - | - | 4mA, 10mA | - | - | - | - | - | - | 7.62 mm | - | - | - | - | Through Hole | - | 2 | -25°C ~ 85°C | - | Open-Collector, DTL, RTL, TTL | - | - | - | - | - | - | - | - | - | - | 14-CERDIP | 14-CERDIP | - | - | No | General Purpose | 2.5mV | - | - | |
Texas Instruments
|
15
|
$1.06
|
- | - | 75dB | - | 14µA | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 1 | 1 | -40°C ~ 85°C | - | Push-Pull | - | - | - | - | - | 10µs | - | - | - | - | 8-SOIC | - | - | - | - | General Purpose | 5mV @ 5V | - | - | |
Texas Instruments
|
13
|
$0.68
|
- | - | 73dB CMRR, 77dB PSRR | - | 750nA | - | - | 6.5 mV | - | - | - | - | - | - | - | - | Surface Mount | - | 2 | -40°C | - | Push-Pull | - | - | - | - | - | 3 µs | 0.315 mA | - | - | - | 8-VSSOP | - | - | - | - | General Purpose | 8mV | - | - | |
Analog Devices / Maxim Integrated
|
12
|
$0.36
|
- | - | 66.02dB CMRR, 80dB PSRR | - | 1.2µA | - | - | 4mV | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C | - | Open-Drain, Rail-to-Rail | - | - | - | - | - | 12µs | - | - | - | °C ~ °C | SOT-23-5 | - | - | - | No | General Purpose | 5mV | - | - | |
Analog Devices / Maxim Integrated
|
12
|
Price on request
|
- | - | - | - | 15µA | - | - | 6.5mV | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C to 125°C | - | Open Collector | - | - | - | - | - | 29µs | - | - | - | - | 3-DFN (2x2) | - | - | - | No | General Purpose | 1.4V to 18V | - | - | |
Texas Instruments
|
12
|
Price on request
|
No | No | - | - | 5mA, 10mA, 20mA | - | - | - | No | - | - | - | Through Hole | - | No | No | Through Hole | 1 | 2 | 0°C ~ 70°C | - | Differential | - | - | - | - | 0.14µs | 20ns | - | - | - | - | TO-100-10 | TO-100-10 | - | - | No | Differential | 5mV @ 5V | - | - | |
Texas Instruments
|
12
|
$350.48
|
- | - | 70dB CMRR, 60dB PSRR | - | 2mA | - | - | 10mV | - | - | - | - | - | - | - | - | Surface Mount | - | 4 | -55°C ~ 125°C | - | Open-Collector, CMOS, DTL, ECL, MOS, TTL | - | - | - | - | - | 1.3µs | - | - | - | - | 14-CFP | - | 0.8mA | ±1 to ±18 V | - | Differential | 2mV @ 30V | - | - | |
Texas Instruments
|
11
|
$0.84
|
- | - | 70dB | - | 50µA | - | - | 1.2mV | - | - | - | 3.9 mm | - | - | - | - | Surface Mount | - | 2 | -40°C to 125°C | - | Push-Pull | - | - | - | - | 0.04µs | 50ns | - | - | - | - | 8-SOIC | - | - | - | - | General Purpose | 5mV @ 5V | - | - | |
Texas Instruments
|
10
|
$2.29
|
- | - | 74dB CMRR | - | 2.1µA | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 2 | -55°C to 125°C | - | CMOS, Push-Pull, Rail-to-Rail | - | - | - | - | - | 13.5µs | - | - | - | - | 8-SOIC | - | - | 1.8 V to 5.5 V | No | General Purpose | 15mV @ 5.5V | - | - | |
Analog Devices / Maxim Integrated
|
10
|
$0.36
|
- | - | 80dB | - | 4µA | - | - | 50mV | - | - | - | 3.90 mm | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | CMOS, TTL | - | - | - | - | 12µs | 12µs | - | - | - | - | 8-SOIC | - | - | - | No | with Voltage Reference | 10mV @ 5V | - | - | |
Analog Devices / Maxim Integrated
|
8
|
Price on request
|
- | - | 85dB | - | 10mA, 4mA | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C to +85°C | - | Complementary, TTL | - | 73dB | - | - | 4ns (typ) / 5.5ns (max) | 5.5ns | - | - | - | - | 8-MSOP | - | - | - | Tape & Reel (TR) | with Latch | 7mV | - | - | |
Analog Devices / Maxim Integrated
|
8
|
$0.36
|
- | - | 86.02dB | - | 2mA, 1.6mA, 800µA | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | TTL | - | - | 9mW/Comparator | - | 7ns | - | - | - | - | - | 8-SOIC | - | - | - | No | with Latch | 4mV @ ±5V | - | - | |
Texas Instruments
|
8
|
Price on request
|
- | - | - | - | 5mA, 10mA, 20mA | - | - | - | - | - | - | - | - | - | - | - | Through Hole | - | 2 | 0°C to 70°C | - | Complementary, TTL | - | - | - | - | - | 20ns | - | - | - | - | 14-PDIP | 14-PDIP | - | - | - | Differential | 5mV @ 5V | - | - | |
Texas Instruments
|
6
|
$1.31
|
- | - | 75 dB | - | 20µA | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 2 | -40°C ~ 85°C | - | Push-Pull, Rail-to-Rail | - | - | - | - | 420 ns | 10µs | - | - | - | - | 8-SOIC | - | 10 µA | - | - | General Purpose | 5mV @ 5V | - | - | |
Texas Instruments
|
6
|
$0.15
|
- | - | - | - | 2.5mA | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 4 | 4 | 0°C ~ 70°C | - | CMOS, MOS, Open-Collector, TTL | - | - | - | - | - | - | - | - | - | - | 14-SSOP | 14-SSOP | - | - | - | Differential | 5mV @ 30V | - | - | |
Analog Devices / Maxim Integrated
|
5
|
$0.36
|
- | - | 80dB CMRR, 80dB PSRR | - | 72µA | - | - | ±3mV | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | CMOS, Push-Pull, Rail-to-Rail, TTL | - | - | - | - | - | 450ns | - | - | - | °C ~ °C | SOT-23-5 | - | - | - | No | with Voltage Reference | 5mV @ 5V | - | - | |
Texas Instruments
|
5
|
$0.89
|
- | - | 100dB CMRR, 110dB PSRR | - | 700µA | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C / 125°C | - | Push-Pull | - | - | - | - | 120 ns | 225ns | - | - | - | - | SOT-23-6 | SOT-23-6 | 300 µA | - | - | General Purpose | 0.2mV @ 5V | - | - | |
Microchip Technology
|
5
|
$0.36
|
- | - | 70dB CMRR, 80dB PSRR | - | 600 nA | - | - | 3.3 mV | - | - | - | 3.90 mm | - | - | - | - | Surface Mount | - | 2 | -40°C to +85°C | - | Open-Drain | ≤ 10V | - | - | - | - | 4 µs | - | - | - | - | 8-SOIC | 8-SOIC (0.154", 3.90mm Width) | - | - | No | General Purpose | 1.6V to 5.5V | - | - | |
STMicroelectronics
|
5
|
Price on request
|
- | - | 85dB CMRR, 89dB PSRR | - | 8µA | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 2 | -40°C ~ 125°C | - | Push-Pull | - | - | - | - | - | - | - | - | - | - | 8-SOIC | - | - | - | - | General Purpose | 5mV @ 5V | - | - | |
Analog Devices / Maxim Integrated
|
5
|
$0.36
|
- | - | 66dB CMRR, 40dB PSRR | - | 800nA | - | - | 4mV | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | CMOS, Push-Pull | - | - | - | - | - | 14µs (Typ) | - | - | - | °C ~ °C | SC-70-5 | - | - | - | No | With Voltage Reference | 5mV @ 5V | - | - | |
Analog Devices / Maxim Integrated
|
5
|
Price on request
|
- | - | 70dB CMRR, 80dB PSRR | - | 10mA | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 1 | -40°C ~ 85°C | - | CMOS, Complementary, Rail-to-Rail, TTL | - | - | - | - | - | 11ns | - | - | - | - | 8-MSOP | 8-MSOP | - | - | No | with Latch | 4mV @ 5V | - | - | |
NTE Electronics
|
5
|
$0.36
|
- | - | - | - | 25mA | - | - | - | - | - | - | 7.62 mm | - | - | - | - | Through Hole | - | 2 | 0°C ~ 70°C | - | CMOS, TTL | - | - | - | - | - | - | - | - | - | - | 8-Mini DIP | - | - | - | No | General Purpose | 5mV @ 5V | - | - | |
On Semiconductor
|
5
|
$0.36
|
- | - | - | - | 50mA | - | 3.69 mm | 27mV | - | - | - | - | - | 9.04 mm | - | - | Surface Mount | - | 2 | 0°C ~ 85°C | - | Differential, ECL | - | - | - | - | - | - | - | 925 ps | - | - | 20-PLCC (9x9) | - | - | - | - | with Latch | - | - | - | |
Analog Devices / Maxim Integrated
|
5
|
$0.36
|
- | - | 80dB | - | 4µA | - | - | 50mV | - | - | - | 3.90 mm | - | - | - | - | Surface Mount | - | 1 | -40°C / 85°C | - | Open Drain | - | - | - | - | 12µs | - | - | - | - | - | 8-SOIC | 8-SOIC | - | - | No | with Voltage Reference | 10mV @ 5V | - | - | |
Analog Devices / Maxim Integrated
|
5
|
$0.36
|
- | - | 80dB | - | 6µA | - | - | 50mV | - | - | - | 3.90 mm | - | - | - | - | Surface Mount | - | 2 | 0°C to 70°C | 0.015mA @ 5V | Open Drain | - | - | - | - | 12µs | - | 6µA | - | - | - | 8-SOIC | - | - | 2.5V to 11V | No | with Voltage Reference | 10mV @ 5V | - | - | |
Texas Instruments
|
5
|
$40.01
|
- | - | - | - | 4.5mA, 11.5mA | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 2 | -55°C | - | Open-Collector, DTL, RTL, TTL | - | - | - | - | - | - | - | - | - | - | 10-CFP | 10-CFP | - | - | - | General Purpose | 4mV @ ±15V | - | - | |
Analog Devices / Maxim Integrated
|
4
|
$0.36
|
- | - | 86.02dB CMRR, 86.02dB PSRR | - | 7mA, 5mA, 3mA | - | 0.9 mm | - | - | - | - | 4.40 mm | - | 5 mm | - | - | Surface Mount | - | 4 | -40°C / 85°C | - | TTL | - | - | 9 mW/comparator | 696 mW | 7 ns | - | - | - | - | - | 16-TSSOP | - | - | - | No | General Purpose | 4mV @ ±5V | - | 4.4 mm | |
|
Analog Devices / Maxim Integrated
|
4
|
$0.36
|
- | - | 80dB CMRR, 80dB PSRR | - | 24µA | - | - | ±3mV | - | - | - | 3.00 mm | - | - | - | - | Surface Mount | - | 2 | -40°C ~ 85°C | 8mA | CMOS, Push-Pull, Rail-to-Rail, TTL | 6V | - | - | - | 300ns | 450ns | - | - | - | - | 8-uMAX/uSOP | 8-uMAX/uSOP | - | - | No | General Purpose | 5mV @ 5.5V | - | - | |
Analog Devices / Maxim Integrated
|
4
|
Price on request
|
- | - | - | - | 17µA | - | - | 6.5mV / 11.5mV | - | - | - | - | - | - | - | - | Surface Mount | - | 2 | -40°C / 85°C | - | Open Collector | - | - | - | - | - | 29µs | - | - | - | °C ~ °C | TSOT-23-6 | TSOT-23-6 | - | - | No | with Voltage Reference | 1.4V ~ 18V | - | - | |
Harris Semiconductor
|
4
|
Price on request
|
- | - | - | 4 | - | - | - | - | - | - | - | - | - | - | - | - | Through Hole | - | - | -55°C ~ 125°C | - | - | - | - | - | - | - | - | - | - | - | °C ~ °C | - | - | - | 5V~30V | No | - | - | - | - | |
NTE Electronics
|
4
|
$0.36
|
- | - | - | - | 2mA | - | - | - | - | - | - | 7.62 mm | - | - | - | - | Through Hole | - | 4 | 0°C ~ 70°C | 16mA | CMOS, DTL, ECL, MOS, TTL | - | - | - | - | - | - | - | - | - | - | 14-PDIP | 14-PDIP | 2mA | - | - | General Purpose | 5mV @ 5V | - | - | |
Texas Instruments
|
4
|
Price on request
|
- | - | 76dB | - | 3mA | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | 4 | -55°C ~ 125°C | - | Open-Collector, CMOS, MOS, TTL, Output | - | - | - | - | - | 700ns (Typ) | - | - | - | °C ~ °C | 14-CFP | - | - | - | No | General Purpose | 5mV @ 30V | - | - |
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