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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments
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- | 75µA | - | Surface Mount | 1 | -40°C ~ 125°C | Open-Collector, Rail-to-Rail | 560ns (Typ) | SC-70-5 | General Purpose | 2.5mV @ 36V | |
Microchip Technology
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70dB CMRR, 80dB PSRR | 1µA | 6.5mV | Surface Mount | 1 | -40°C ~ 85°C | CMOS, Push-Pull, Rail-to-Rail, TTL | 8µs | 8-MSOP | General Purpose | 7mV @ 5.5V | |
Analog Devices / Maxim Integrated
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Texas Instruments
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84dB CMRR | 90µA | - | Surface Mount | 2 | -40°C ~ 125°C | MOS, Open-Drain | 4.5µs | 8-SOIC | General Purpose | 5mV @ 10V | |
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) | 14-TSSOP | General Purpose | 8mV @ 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 | Through Hole | 2 | -40°C ~ 125°C | CMOS, Open-Drain, Rail-to-Rail, TTL | 8µs | 8-PDIP | General Purpose | 7mV @ 5.5V | |
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Texas Instruments
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78dB CMRR, 80dB PSRR | 14µA | - | Surface Mount | 1 | -40°C ~ 85°C | Open Drain | 2.1µs | SC-70-5 | General Purpose | 4mV @ 5V | |
Analog Devices / Maxim Integrated
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- | 24µA | ±3mV | Surface Mount | 1 | - | CMOS, Push-Pull, Rail-to-Rail, TTL | - | 6-WLP | General Purpose | 2.5V ~ 5.5V, ±1.25V ~ 2.75V | |
Texas Instruments
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- | 2mA | - | Surface Mount | 4 | -55°C ~ 125°C | Open-Collector, Open-Drain | - | 14-SOIC | Differential | 2.5mV @ 1.4V | |
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Texas Instruments
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- | 75µA | - | Surface Mount | 1 | -40°C ~ 125°C | Open Collector | 560ns | SC-70-5 | General Purpose | 3.5mV | |
Analog Devices / Maxim Integrated
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74dB CMRR, 80dB PSRR | 36.8µA | 4mV | Surface Mount | 4 | -40°C ~ 125°C | Rail-to-Rail | 4.2µs | 14-TSSOP | General Purpose | 2.5mV | |
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Texas Instruments
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- | 2.5mA | - | Surface Mount | 4 | 0°C ~ 70°C | CMOS, MOS, Open-Collector, TTL | - | 14-TSSOP | Differential | 3mV @ 30V | |
STMicroelectronics
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90dB CMRR, 90dB PSRR | 13µA | - | Surface Mount | 4 | -40°C ~ 125°C | Open Drain | - | 14-TSSOP | CMOS | 5mV @ 5V | |
Microchip Technology
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70dB CMRR, 80dB PSRR | 1µA | 6.5mV | Surface Mount | 4 | -40°C ~ 85°C | CMOS, Push-Pull, Rail-to-Rail, TTL | 8µs | 14-TSSOP | General Purpose | 7mV @ 5.5V | |
Analog Devices / Maxim Integrated
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Texas Instruments
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- | 11µA | 5.5mV | Surface Mount | 1 | -40°C ~ 125°C | Open Drain | - | 6-WSON (1.5x1.5) | Window | 1.8V ~ 18V | |
Texas Instruments
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- | 2.5mA | - | Through Hole | 2 | -40°C ~ 85°C | CMOS, DTL, ECL, MOS, Open-Collector, TTL | 700ns | 8-PDIP | General Purpose | 7mV @ 30V | |
Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 24µA | ±3mV | Surface Mount | 1 | -40°C ~ 85°C | CMOS, Open-Drain, Rail-to-Rail, TTL | 450ns | SC-70-5 | General Purpose | 5mV @ 5.5V | |
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Analog Devices / Maxim Integrated
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90dB PSRR | 200µA | - | Surface Mount | 2 | -40°C ~ 125°C | Open Drain | 110ns | SOT-23-8 | General Purpose | 7mV @ 5V | |
|
Microchip Technology
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70dB CMRR, 80dB PSRR | 1µA | 6.5mV | Surface Mount | 4 | -40°C ~ 85°C | CMOS, Open-Drain, Rail-to-Rail, TTL | 8µs | 14-TSSOP | General Purpose | 7mV @ 5.5V | |
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Analog Devices / Maxim Integrated
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81.94dB CMRR, 81.94dB PSRR | 600µA | - | Surface Mount | 2 | -40°C ~ 125°C | CMOS, Push-Pull, TTL | 80ns | 8-uMAX/uSOP | General Purpose | 3mV @ 5.5V | |
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Microchip Technology
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66dB CMRR, 70dB PSRR | 130µA | 5mV | Surface Mount | 4 | -40°C ~ 125°C | CMOS, Open-Drain | 80ns | 14-TSSOP | General Purpose | 10mV @ 5.5V | |
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Analog Devices / Maxim Integrated
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74dB CMRR, 80dB PSRR | 36.8µA | 4mV | Surface Mount | 4 | -40°C ~ 125°C | Rail-to-Rail | 4.2µs | 14-TSSOP | General Purpose | 2.5mV | |
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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 | SOT-23-8 | General Purpose | 1.6mV @ 5V | |
Analog Devices / Maxim Integrated
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77dB CMRR, 80dB PSRR | 14.7mA | 4.5mV | Surface Mount | 1 | -40°C ~ 125°C | LVDS | 2.8ns | SC-70-6 | General Purpose | 4mV @ 5V | |
Analog Devices / Maxim Integrated
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- | 17µA | 11.5mV | Surface Mount | 2 | -40°C ~ 85°C | Open Collector | 29µs | 6-DFN (2x3) | with Voltage Reference | 1.4V ~ 18V | |
Analog Devices / Maxim Integrated
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85dB CMRR, 73dB PSRR | 10mA, 4mA | - | Surface Mount | 1 | -40°C ~ 85°C | Complementary, TTL | 5.5ns | 8-MSOP | with Latch | 7mV @ 5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 96µA | ±2.5mV | Surface Mount | 2 | -40°C ~ 85°C | CMOS, Open-Drain, Rail-to-Rail, TTL | 210ns | 8-uMAX/uSOP | General Purpose | 5mV @ 5.5V | |
Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 130µA | ±3mV | Surface Mount | 2 | -40°C ~ 85°C | CMOS, Push-Pull, Rail-to-Rail, TTL | 450ns | 10-uMAX/uSOP | with Voltage Reference | 1mV @ 5V | |
Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 4µA | - | Surface Mount | 2 | 0°C ~ 70°C | Open Drain | - | 8-SOIC | General Purpose | 10mV @ 5V | |
Analog Devices / Maxim Integrated
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115dB CMRR | 4mA | - | Through Hole | 1 | 0°C ~ 70°C | Open Collector | - | 8-PDIP | General Purpose | 2mV @ ±15V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 96µA | ±2.5mV | Surface Mount | 2 | -40°C ~ 85°C | CMOS, Push-Pull, Rail-to-Rail, TTL | 210ns | 8-SOIC | General Purpose | 5mV @ 5.5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 72µA | ±3mV | Surface Mount | 1 | -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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80dB CMRR, 90dB PSRR | 1µA | - | Surface Mount | 1 | -40°C ~ 85°C | Push-Pull | 24µs | 8-SOIC | General Purpose | 6mV @ 5V | |
Analog Devices / Maxim Integrated
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100dB CMRR, 80dB PSRR | 5µA | 4mV | Surface Mount | 4 | -40°C ~ 125°C | CMOS, Rail-to-Rail, TTL | 8µs | 14-SOIC | General Purpose | 1mV @ 5V | |
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Texas Instruments
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100dB CMRR, 110dB PSRR | 700µA | - | Surface Mount | 1 | -40°C ~ 125°C | Push-Pull | 225ns | 8-SOIC | General Purpose | 0.2mV @ 5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 96µA | ±2.5mV | Surface Mount | 1 | -40°C ~ 85°C | Open Drain | 210ns | 8-SOIC | General Purpose | 5mV @ 5.5V | |
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Texas Instruments
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88dB CMRR, 105dB PSRR | 1µA | - | Surface Mount | 2 | 0°C ~ 70°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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95dB CMRR, 82dB PSRR | 4.2mA | - | Surface Mount | 2 | -40°C ~ 85°C | TTL | 9ns | 8-SOIC | General Purpose | 3mV @ 5.5V | |
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Analog Devices / Maxim Integrated
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- | 400µA | - | Surface Mount | 4 | -40°C ~ 125°C | Open Drain | 100ns | 14-SOIC | General Purpose | 7mV @ 5V | |
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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-SOIC | General Purpose | 5mV @ 15V | |
Texas Instruments
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97dB CMRR | 12.5mA | - | Surface Mount | 1 | 0°C ~ 70°C | Complementary, Push-Pull, TTL | 10ns | 8-TSSOP | with Latch | 3mV @ ±5V | |
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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 | 10-uMAX/uSOP | with Voltage Reference | 5mV @ 5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 4µA | - | Surface Mount | 2 | -40°C ~ 85°C | Open Drain | - | 8-SOIC | General Purpose | 10mV @ 5V | |
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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-SOIC | Window | 7mV @ 5.5V | |
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Analog Devices / Maxim Integrated
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56.48dB CMRR, 80dB PSRR | 12µA | ±1mV | Surface Mount | 1 | -40°C ~ 85°C | Open-Drain, Rail-to-Rail | 20µs | 8-SOIC | with Voltage Reference | 7mV @ 5.5V | |
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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 | Window | 15mV @ 5.5V | |
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Analog Devices / Maxim Integrated
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Analog Devices / Maxim Integrated
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56.48dB CMRR, 80dB PSRR | 10µA | ±1mV | Surface Mount | 2 | -40°C ~ 85°C | Open-Drain, Rail-to-Rail | 20µs | 8-SOIC | General Purpose | 7mV @ 5.5V |
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