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 | Hysteresis | Mounting Type | Number of Elements | Operating Temperature | Output Type | Propagation Delay (Max) | Supplier Device Package | Type | Voltage | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 4µA | 50mV | Surface Mount | 1 | 0°C ~ 70°C | Open Drain | - | 8-SOIC | with Voltage Reference | 10mV @ 5V | |
Analog Devices / Maxim Integrated
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56.48dB CMRR, 80dB PSRR | 16µA | ±1mV | Surface Mount | 2 | -40°C ~ 85°C | Open-Drain, Rail-to-Rail | 20µs | 8-uMAX/uSOP | with Voltage Reference | 15mV @ 5.5V | |
Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 24µA | ±3mV | Surface Mount | 4 | -40°C ~ 85°C | CMOS, Open-Drain, Rail-to-Rail, TTL | 450ns | 14-SOIC | General Purpose | 5mV @ 5.5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 4µA | 50mV | Surface Mount | 1 | 0°C ~ 70°C | Open Drain | - | 8-uMAX/uSOP | with Voltage Reference | 10mV @ 5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 4µA | 50mV | Surface Mount | 1 | 0°C ~ 70°C | Open Drain | - | 8-SOIC | with Voltage Reference | 10mV @ 5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 6µA | 50mV | Surface Mount | 2 | 0°C ~ 70°C | Open Drain | - | 8-SOIC | with Voltage Reference | 10mV @ 5V | |
Analog Devices / Maxim Integrated
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86.02dB CMRR, 86.02dB PSRR | 1mA | - | Through Hole | 2 | -40°C ~ 85°C | TTL | 50ns | 8-PDIP | General Purpose | 2mV @ 5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 6µA | 50mV | Through Hole | 2 | -40°C ~ 85°C | Open Drain | - | 8-PDIP | with Voltage Reference | 10mV @ 5V | |
Analog Devices / Maxim Integrated
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80dB CMRR, 60dB PSRR | 26mA | - | Surface Mount | 1 | -40°C ~ 85°C | Complementary, ECL | 1.8ns | 10-uMAX/uSOP | with Latch | 6.5mV @ 5V | |
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Analog Devices / Maxim Integrated
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82.5dB CMRR, 80dB PSRR | 8mA, 6mA, 3mA | - | Surface Mount | 2 | -40°C ~ 85°C | TTL | - | 14-SOIC | with Latch | 4mV @ ±5V | |
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Analog Devices / Maxim Integrated
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82.5dB CMRR, 80dB PSRR | 15mA,12mA,6mA | - | Surface Mount | 4 | -40°C ~ 85°C | TTL | - | 16-SOIC | General Purpose | 4mV @ ±5V | |
Analog Devices / Maxim Integrated
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60dB CMRR, 75dB PSRR | 8mA | 1mV | Surface Mount | 1 | -40°C ~ 125°C | Complementary, PECL | 0.18ns | 16-LFCSP (3x3) | with Latch | 10mV @ ±5V | |
Texas Instruments
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- | 11.5mA | - | Through Hole | 2 | -55°C ~ 125°C | DTL, Open-Collector, RTL, TTL | - | TO-100-10 | General Purpose | 4mV @ ±15V | |
Intersil
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- | 2mA | - | Surface Mount | 4 | -25°C ~ 80°C | Open-Collector, CMOS, DTL, ECL, MOS, TTL | 300ns (Typ) | 14-SOIC | General Purpose | 5mV @ 5V | |
Harris Semiconductor
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- | 2mA | - | Surface Mount | 4 | -40°C ~ 85°C | Open-Collector, CMOS, DTL, ECL, MOS, TTL | - | 14-SOIC | General Purpose | 7mV @ 5V | |
NXP Semiconductors
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- | - | - | - | - | - | - | - | - | - | - | |
Texas Instruments
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- | 175µA | - | Surface Mount | 1 | 0°C ~ 70°C | Open Collector | - | SOT-23-5 | Differential | 5mV @ 5V | |
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Texas Instruments
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75dB CMRR, 80dB PSRR | 18µA | - | Surface Mount | 1 | -40°C ~ 85°C | Push-Pull | 10µs | 8-SOIC | General Purpose | 15mV @ 5V | |
Analog Devices / Maxim Integrated
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50dB CMRR, 70dB PSRR | 22µA | 90mV | Surface Mount | 1 | -40°C ~ 125°C | Open-Drain, Rail-to-Rail | 2µs (Typ) | 8-WLP (1.01x1.43) | General Purpose | 12mV @ 3.3V | |
Texas Instruments
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- | 800µA | - | Through Hole | 4 | 0°C ~ 70°C | CMOS, MOS, Open-Drain, TTL | - | 14-PDIP | Differential | 5mV @ 5V | |
Analog Devices / Maxim Integrated
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74dB CMRR, 80dB PSRR | 47.9µA | 4mV | Surface Mount | 1 | -40°C ~ 125°C | Open Drain | 4.2µs | 8-SOIC | General Purpose | 5mV | |
Texas Instruments
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84dB CMRR | 50µA | - | Surface Mount | 2 | 0°C ~ 70°C | MOS, Open-Drain | 4.5µs | 8-SO | General Purpose | 5mV @ 10V | |
Texas Instruments
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- | 800µA | - | Surface Mount | 4 | 0°C ~ 70°C | CMOS, MOS, Open-Drain, TTL | - | 14-SO | Differential | 5mV @ 5V | |
Texas Instruments
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- | 400µA | - | Through Hole | 2 | -55°C ~ 125°C | CMOS, MOS, Open-Drain, TTL | - | 8-PDIP | Differential | 5mV @ 5V | |
Analog Devices / Maxim Integrated
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74dB CMRR, 80dB PSRR | 51.9µA | 4mV | Surface Mount | 2 | -40°C ~ 125°C | Open Drain | 9.7µs | 10-MSOP | General Purpose | 2.5mV | |
Texas Instruments
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88dB CMRR, 105dB PSRR | 1µA | - | Surface Mount | 4 | 0°C ~ 70°C | CMOS, Push-Pull, Rail-to-Rail | - | 14-TSSOP | General Purpose | 5mV @ 15V | |
Texas Instruments
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88dB CMRR, 105dB PSRR | 1µA | - | Surface Mount | 4 | -40°C ~ 125°C | CMOS, Push-Pull, Rail-to-Rail | - | 14-SOIC | General Purpose | 5mV @ 15V | |
Analog Devices / Maxim Integrated
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- | - | - | Through Hole | - | - | - | - | 8-PDIP | - | - | |
Analog Devices / Maxim Integrated
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- | - | - | Through Hole | - | - | - | - | TO-99 | - | - | |
Analog Devices / Maxim Integrated
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- | 3mA | - | Through Hole | 1 | -40°C ~ 85°C | TTL | - | 8-PDIP | Window | 2.8V ~ 16V | |
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Analog Devices / Maxim Integrated
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- | - | - | Through Hole | - | - | - | - | TO-99-8 | - | - | |
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Analog Devices / Maxim Integrated
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- | - | - | - | - | - | - | - | - | - | - | |
Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 8.5µA | - | Surface Mount | 4 | -40°C ~ 85°C | CMOS, TTL | 12µs | 16-DFN (5x4) | with Voltage Reference | 10mV @ 5V | |
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Analog Devices / Maxim Integrated
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- | - | - | Through Hole | - | - | - | - | TO-99 | - | - | |
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Analog Devices / Maxim Integrated
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- | - | - | Through Hole | - | - | - | - | TO-99-8 | - | - | |
Analog Devices / Maxim Integrated
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85dB, 65dB | 32mA, 35mA | 1mV | Through Hole | 1 | -55°C ~ 125°C | Complementary, TTL | - | 16-CERDIP | with Voltage Reference | 2mV | |
Intersil
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- | 20mA | - | Surface Mount | 4 | 0°C ~ 75°C | CMOS, Push-Pull | - | 16-SOIC | General Purpose | 7.5mV @ ±15V | |
Rochester Electronics
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- | - | - | - | - | - | - | - | - | - | - | |
Analog Devices / Maxim Integrated
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- | 9mA | 1mV | Surface Mount | 1 | -40°C ~ 85°C | PECL | 0.085ns | 16-SMT (3x3) | General Purpose | 5mV | |
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Analog Devices / Maxim Integrated
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35dB PSRR | 9mA | 1mV | Surface Mount | 1 | -40°C ~ 85°C | - | 0.13ns | 16-SMT (3x3) | General Purpose | 5mV | |
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Rochester Electronics
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- | - | - | - | - | - | - | - | - | - | - | |
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Analog Devices / Maxim Integrated
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- | 79.6mA | - | Surface Mount | 1 | -40°C ~ 85°C | - | 0.088ns | 16-SMT (3x3) | Window | 10mV @ 3.3V | |
Microchip Technology
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70dB CMRR, 80dB PSRR | 1µA | 6.5mV | Surface Mount | 1 | -40°C ~ 125°C | CMOS, Push-Pull, Rail-to-Rail, TTL | 8µs | 8-MSOP | General Purpose | 7mV @ 5.5V | |
Diodes Incorporated
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- | 200µA | - | Surface Mount | 2 | -40°C ~ 125°C | Open Collector | 600ns | 8-MSOP | General Purpose | 7mV @ 5V | |
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Toshiba
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- | 2mA | - | Surface Mount | 2 | -40°C ~ 85°C | CMOS, DTL, MOS, Open-Collector, TTL | - | 8-SSOP | General Purpose | 5mV @ 5V | |
Microchip Technology
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70dB CMRR, 80dB PSRR | 1µA | 6.5mV | Surface Mount | 1 | -40°C ~ 85°C | CMOS, Open-Drain, Rail-to-Rail, TTL | 8µs | SC-70-5 | General Purpose | 7mV @ 5.5V | |
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Diodes Incorporated
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- | 200µA | - | Surface Mount | 2 | -40°C ~ 85°C | Open Collector | - | 8-SOIC | General Purpose | 7mV @ 5V | |
Toshiba
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- | 220µA | - | Surface Mount | 1 | -40°C ~ 85°C | Open Drain | 200ns | SMV | General Purpose | 7mV @ 5V | |
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Analog Devices / Maxim Integrated
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Microchip Technology
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70dB CMRR, 80dB PSRR | 1µA | 6.5mV | Surface Mount | 1 | -40°C ~ 85°C | CMOS, Open-Drain, Rail-to-Rail, TTL | 8µs | 8-SOIC | General Purpose | 7mV @ 5.5V |
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