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 | CMRR, PSRR (Typ) | Current | Hysteresis | Mounting Type | Number of Elements | Operating Temperature | Output Type | Propagation Delay (Max) | Supplier Device Package | Type | Voltage | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
On Semiconductor
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88dB CMRR, 105dB PSRR | 640nA | - | Surface Mount | 2 | -40°C ~ 125°C | Open Drain | 220µs (Typ) | 8-SOIC | General Purpose | 3.6mV @ 15V | |
Nisshinbo Micro Devices
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70dB CMRR, 85dB PSRR | 14µA | - | Surface Mount | 1 | -40°C ~ 125°C | Push-Pull | 780ns (Typ) | SOT-23-5 (MTP5) | General Purpose | 7mV @ 3V | |
Analog Devices / Maxim Integrated
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- | 4mA, 5mA | - | Through Hole | 1 | -25°C ~ 85°C | CMOS | - | 8-CERDIP | General Purpose | 3mV | |
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 | SOT-23-5 | General Purpose | 7mV @ 5.5V | |
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Microchip Technology
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66dB CMRR, 70dB PSRR | 130µA | 5mV | Surface Mount | 1 | -40°C ~ 125°C | CMOS, Open-Drain | 80ns | SOT-23-5 | General Purpose | 10mV @ 5.5V | |
Texas Instruments
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73dB CMRR, 77dB PSRR | 900nA | 17mV | Surface Mount | 1 | -40°C ~ 125°C | Open-Drain, Rail-to-Rail | 3µs | SC-70-5 | General Purpose | 8mV @ 5V | |
Analog Devices / Maxim Integrated
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- | 7µA | - | Surface Mount | 1 | -40°C ~ 85°C | Open Drain | 5µs | SC-70-5 | General Purpose | 9mV @ 5.5V | |
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Microchip Technology
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66dB CMRR, 70dB PSRR | 130µA | 5mV | Surface Mount | 1 | -40°C ~ 125°C | CMOS, Push-Pull, Rail-to-Rail, TTL | 80ns | SOT-23-5 | General Purpose | 10mV @ 5.5V | |
Analog Devices / Maxim Integrated
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Texas Instruments
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73dB CMRR, 77dB PSRR | 9µA | 15mV | Surface Mount | 2 | -40°C ~ 125°C | Push-Pull, Rail-to-Rail | 310ns (Typ) | 8-WSON (2x2) | General Purpose | 8mV @ 5V | |
Renesas
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- | 12.5mA | - | Surface Mount | 2 | -40°C ~ 85°C | - | 15ns | 20-TSSOP | Window | 50mV @ -3V, 12V | |
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Analog Devices / Maxim Integrated
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Analog Devices / Maxim Integrated
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100dB CMRR, 80dB PSRR | 5µA | 4mV | Surface Mount | 1 | -40°C ~ 125°C | CMOS, Rail-to-Rail, TTL | 8µs | SC-70-5 | General Purpose | 1mV @ 5V | |
ROHM Semiconductor
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80dB CMRR, 80dB PSRR | 35µA | - | Surface Mount | 1 | -40°C ~ 85°C | Push-Pull | 550ns | 5-SSOP | General Purpose | 11mV @ 3V | |
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Analog Devices / Maxim Integrated
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Analog Devices / Maxim Integrated
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Texas Instruments
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70dB CMRR, 95dB | 30µA | - | Surface Mount | 4 | -40°C ~ 125°C | Rail-to-Rail | 115ns | 16-WQFN (3x3) | 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 | Open-Drain, Rail-to-Rail | 150ns | 8-SOIC | General Purpose | 1.5mV @ 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 | CMOS, Open-Drain, Rail-to-Rail, TTL | 45µs | SC-70-5 | with Voltage Reference | 5mV @ 5V | |
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Texas Instruments
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- | 11µA | 12mV | Surface Mount | 1 | -40°C ~ 125°C | Open Drain | - | SOT-23-THIN | General Purpose | 1.8V ~ 36V | |
Analog Devices / Maxim Integrated
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74dB CMRR, 80dB PSRR | 24.7µA | 4mV | Surface Mount | 1 | -40°C ~ 125°C | Rail-to-Rail | 4.2µs | 8-SOIC | General Purpose | 2.5mV | |
Microchip Technology
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70dB CMRR, 80dB PSRR | 1µA | 6.5mV | Surface Mount | 4 | -40°C ~ 125°C | CMOS, Open-Drain, Rail-to-Rail, TTL | 8µs | 14-TSSOP | General Purpose | 7mV @ 5.5V | |
Analog Devices / Maxim Integrated
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50dB CMRR, 50dB PSRR | 1.8mA | 100µV | Surface Mount | 1 | -40°C ~ 125°C | CMOS, Complementary, Rail-to-Rail, TTL | 5ns | 12-LFCSP-WQ (3x3) | with Latch | 5mV @ 2.5V | |
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Analog Devices / Maxim Integrated
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81.94dB CMRR, 81.94dB PSRR | 320µA | 1.5mV | Surface Mount | 1 | -40°C ~ 85°C | CMOS, Push-Pull, TTL | 40ns | SOT-23-8 | with Latch | 2mV @ 5V | |
Nisshinbo Micro Devices
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- | 6mA @ 5V | - | Through Hole | 2 | -40°C ~ 85°C | CMOS, MOS, Open-Collector, TTL | - | 8-DIP | General Purpose | 7mV @ 5V | |
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 | SOT-23-5 | with Voltage Reference | 5mV @ 5V |
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