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.
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| Part & Mfr | CMRR, PSRR (Typ) | Current | Current - Quiescent (Max) | Hysteresis | Mounting Type | Number of Elements | Operating Temperature | Output | Output Type | Propagation Delay | Propagation Delay (Max) | Supplier Device Package | Type | Voltage | Voltage Supply | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments
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73dB CMRR, 77dB PSRR | 900nA | - | 17mV | Surface Mount | 2 | -40°C ~ 125°C (TA) | - | Open-Drain, Rail-to-Rail | - | 3µs (Typ) | 8-VSSOP | General Purpose | 8mV @ 5V | - | |
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Texas Instruments
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73dB CMRR, 77dB PSRR | 750nA | - | 25mV | Surface Mount | 2 | -40°C ~ 125°C | - | Open-Drain, Rail-to-Rail | - | 3µs | 8-VSSOP | General Purpose | 8mV | - | |
Analog Devices / Maxim Integrated
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- | 1.1µA | - | ±12mV | Surface Mount | 1 | -40°C ~ 85°C | - | Open Drain | - | 25µs | 4-UCSP (1.05x1.05) | General Purpose | 6mV @ 1.8V | - | |
Analog Devices / Maxim Integrated
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50.45dB CMRR, 60dB PSRR | 1.25µA | - | 4mV | Surface Mount | 1 | -40°C ~ 85°C | - | Open-Drain, Rail-to-Rail | - | 45µs | 6-WLP | General Purpose | 5mV @ 5V | - | |
Texas Instruments
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70dB CMRR, 95dB | 30µA | - | - | Surface Mount | 2 | -40°C ~ 125°C | - | Open-Drain, Rail-to-Rail | - | 100ns | 8-SOIC | General Purpose | 1.5mV @ 5V | - | |
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Texas Instruments
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70dB CMRR, 95dB | 30µA | - | - | Surface Mount | 2 | -40°C ~ 125°C | - | Rail-to-Rail | - | 115ns | 8-SOIC | General Purpose | 1.5mV @ 5V | - | |
Texas Instruments
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- | 300µA | - | - | Surface Mount | 4 | -40°C ~ 85°C | - | CMOS, Open-Collector, TTL | - | 600ns | 14-TSSOP | General Purpose | 7mV @ 5V | - | |
Microchip Technology
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70dB CMRR, 80dB PSRR | 1µA | - | 6.5mV | Surface Mount | 2 | -40°C ~ 125°C | - | CMOS, Open-Drain, Rail-to-Rail, TTL | - | 8µs | 8-MSOP | General Purpose | 7mV @ 5.5V | - | |
Texas Instruments
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73dB CMRR, 77dB PSRR | 750nA | - | 25mV | Surface Mount | 4 | -40°C ~ 125°C | - | Open-Drain, Rail-to-Rail | - | 3µs (Typ) | 16-WQFN (3x3) | General Purpose | 8mV @ 5V | - | |
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Analog Devices / Maxim Integrated
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- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
Texas Instruments
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- | 100µA | - | - | Through Hole | 4 | -40°C ~ 85°C | - | CMOS, MOS, Open-Collector | - | - | 14-PDIP | General Purpose | 5mV @ 30V | - | |
Texas Instruments
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- | 2mA | - | - | Surface Mount | 4 | -25°C ~ 85°C | - | CMOS, MOS, Open-Collector, TTL | - | - | 14-SOIC | Differential | 3mV @ 30V | - | |
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Texas Instruments
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- | 2mA | - | - | Surface Mount | 4 | -25°C ~ 85°C | - | CMOS, MOS, Open-Collector, TTL | - | - | 14-TSSOP | Differential | 5mV @ 30V | - | |
Texas Instruments
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78dB CMRR, 78dB PSRR | 10µA | - | 4.2mV | Surface Mount | 1 | -40°C ~ 125°C (TA) | - | Open Drain | - | 350ns | SC-70-5 | - | 8mV | - | |
Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 85µA | - | ±3mV | Surface Mount | 2 | -40°C ~ 85°C | - | CMOS, Push-Pull, Rail-to-Rail, TTL | - | 450ns | 8-SOIC | with Voltage Reference | 5mV @ 5V | - | |
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Texas Instruments
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73dB CMRR, 77dB PSRR | 900nA | - | 17mV | Surface Mount | 1 | -40°C ~ 125°C | - | Open Drain | - | 3µs (Typ) | SC-70-5 | General Purpose | 8mV @ 5V | - | |
Texas Instruments
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- | 13µA | - | 12mV | Surface Mount | 2 | -40°C ~ 125°C | - | Open-Drain | - | 18µs | 6-WSON (1.5x1.5) | Window | 1.8V ~ 18V | - | |
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Texas Instruments
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73dB CMRR, 77dB PSRR | 315nA | - | 17mV | Surface Mount | 4 | -40°C ~ 125°C | - | Rail-to-Rail | - | 3µs | 14-TSSOP | General Purpose | 8mV | - | |
Texas Instruments
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80dB CMRR, 90dB PSRR | 1µA | - | - | Surface Mount | 1 | -40°C ~ 85°C | - | Open Drain | - | 29µs | SOT-23-5 | General Purpose | 6mV @ 5V | - | |
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Analog Devices / Maxim Integrated
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ROHM Semiconductor
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- | 1mA | - | - | Surface Mount | 2 | -40°C ~ 105°C | - | Open Collector | - | - | 8-MSOP | General Purpose | 7mV @ 5V | - | |
Texas Instruments
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- | 75µA | - | - | Surface Mount | 1 | -40°C ~ 125°C | - | Open Collector | - | 560ns | SOT-5 | General Purpose | 3.5mV | - | |
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Texas Instruments
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- | 13µA | - | 12mV | Surface Mount | 2 | -40°C ~ 125°C | - | - | - | 29µs | 6-WSON (1.5x1.5) | Window | 1.8V ~ 18V | - | |
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Texas Instruments
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- | 2.5mA | - | - | Surface Mount | 2 | -40°C ~ 125°C | - | CMOS, MOS, Open-Drain, TTL | - | - | 8-SOIC | Differential | 7mV @ 30V | - | |
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Texas Instruments
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- | 300µA | - | - | Surface Mount | 2 | -40°C ~ 85°C | - | CMOS, Open-Collector, TTL | - | 600ns | 8-SOIC | General Purpose | 7mV @ 5V | - | |
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Texas Instruments
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75dB CMRR, 80dB PSRR | 20µA | - | - | Surface Mount | 2 | -40°C ~ 85°C | - | Open Drain | - | 10µs | 8-SOIC | General Purpose | 15mV @ 5V | - | |
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Texas Instruments
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75dB CMRR, 80dB PSRR | 20µA | - | - | Surface Mount | 2 | -40°C ~ 85°C | - | Open Drain | - | 10µs | 8-SOIC | General Purpose | 15mV @ 5V | - | |
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Texas Instruments
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- | 2.5mA | - | - | Through Hole | 4 | -25°C ~ 85°C | - | DTL, MOS, Open-Collector, TTL | - | - | 14-PDIP | General Purpose | 5mV @ 5V | - | |
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Texas Instruments
|
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- | 300µA | - | - | Surface Mount | 4 | -40°C ~ 85°C | - | CMOS, Open-Collector, TTL | - | 600ns | 14-SOIC | General Purpose | 7mV @ 5V | - | |
Analog Devices / Maxim Integrated
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- | 400µA | - | 2mV | Surface Mount | 4 | -40°C ~ 125°C | - | Open Drain | - | 110ns | 14-TSSOP | General Purpose | 7mV @ 5V | - | |
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Analog Devices / Maxim Integrated
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100dB CMRR, 80dB PSRR | 5µA | - | 4mV | Surface Mount | 2 | -40°C ~ 125°C | - | CMOS, Rail-to-Rail, TTL | - | 8µs | 8-uMAX/uSOP | General Purpose | 1mV @ 5V | - | |
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Texas Instruments
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88dB CMRR, 105dB PSRR | 1µA | - | - | Surface Mount | 2 | -40°C ~ 125°C | - | CMOS, Push-Pull, Rail-to-Rail | - | - | 8-SOIC | General Purpose | 5mV @ 15V | - | |
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Analog Devices / Maxim Integrated
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- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
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Texas Instruments
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100dB CMRR, 100dB PSRR | 13µA | - | 1mV | Surface Mount | 1 | -40°C ~ 125°C | - | CMOS, Open-Collector, TTL | - | 15µs | 8-VSSOP | with Voltage Reference | 1mV @ 5V | - | |
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Analog Devices / Maxim Integrated
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- | 400µA | - | 2mV | Surface Mount | 4 | -40°C ~ 125°C | - | Open Drain | - | 110ns | 14-TSSOP | General Purpose | 7mV @ 5V | - | |
Texas Instruments
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75dB CMRR, 80dB PSRR | 20µA | - | - | Surface Mount | 2 | -40°C ~ 125°C | - | Open Drain | - | 10µs | 8-VSSOP | General Purpose | 10mV @ 5V | - | |
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Texas Instruments
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- | 5mA, 10mA, 20mA | - | - | Through Hole | 2 | 0°C ~ 70°C | - | Complementary, TTL | - | 20ns | 14-PDIP | Differential | 5mV @ 5V | - | |
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Analog Devices / Maxim Integrated
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86.02dB CMRR, 86.02dB PSRR | 700µA | - | 2mV | Surface Mount | 2 | -40°C ~ 85°C | - | TTL | - | 25ns | 8-SOIC | General Purpose | 1.6mV @ 5V | - | |
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Texas Instruments
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- | 2.5mA | - | - | Through Hole | 4 | -40°C ~ 85°C | - | CMOS, DTL, ECL, MOS, Open-Collector, TTL | - | - | 14-PDIP | General Purpose | 7mV @ 30V | - | |
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Analog Devices / Maxim Integrated
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100dB CMRR, 100dB PSRR | 55µA | - | 4mV | Surface Mount | 4 | -40°C ~ 125°C | - | CMOS, Rail-to-Rail, TTL | - | 228ns | 14-TSSOP | General Purpose | 1mV @ 5V | - | |
Analog Devices / Maxim Integrated
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70dB CMRR, 65dB PSRR | 32µA | - | 8.2mV | Surface Mount | 2 | -40°C ~ 125°C | - | CMOS, Push-Pull, Rail-to-Rail, TTL | - | 450ns | 8-DFN (2x2) | General Purpose | 3.5mV @ 3V | - | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 24µA | - | ±3mV | Surface Mount | 1 | -40°C ~ 85°C | - | CMOS, Push-Pull, Rail-to-Rail, TTL | - | 450ns | 8-SOIC | General Purpose | 5mV @ 5.5V | - | |
Texas Instruments
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80dB CMRR, 80dB PSRR | 16.5mA | - | 60mV | Surface Mount | 1 | -40°C ~ 125°C | - | LVDS | - | 0.8ns | SC-70-6 | General Purpose | 5mV @ 5V | - | |
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Analog Devices / Maxim Integrated
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80dB PSRR | 1.6µA | - | 4mV | Surface Mount | 1 | -40°C ~ 85°C | - | Open-Drain, Rail-to-Rail | - | 120µs | 8-SOIC | with Voltage Reference | 5mV @ 5V | - | |
Analog Devices / Maxim Integrated
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50dB CMRR, 50dB PSRR | 4mA | - | 2mV | Surface Mount | 1 | -40°C ~ 125°C | - | CMOS, TTL | - | 5ns | SOT-23-5 | General Purpose | 5mV @ 2.5V | - | |
Analog Devices / Maxim Integrated
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100dB CMRR, 85dB PSRR | 800µA | 800µA | - | Surface Mount | 1 | -40°C ~ 85°C | CMOS, Complementary, TTL | CMOS, Complementary, TTL | 80ns | 80ns | 8-SO | Comparator | 2.5mV @ ±5V | 2.5mV @ ±5V | |
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Analog Devices / Maxim Integrated
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70dB CMRR, 80dB PSRR | 7mA | - | 7mV | Surface Mount | 2 | 0°C ~ 70°C | - | CMOS, Rail-to-Rail, TTL | - | 10ns | 8-SO | General Purpose | 3mV @ 5V | - | |
Toshiba
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- | 800µA | - | - | Surface Mount | 1 | -40°C ~ 85°C | - | CMOS, DTL, MOS, Open-Collector, TTL | - | - | SMV | General Purpose | 5mV @ 5V | - | |
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Analog Devices / Maxim Integrated
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STMicroelectronics
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78dB CMRR | 500nA | - | 4.2mV | Surface Mount | 1 | -40°C ~ 125°C | - | Push-Pull | - | 22µs | SOT-23-5 | General Purpose | 6mV @ 5V | - |
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