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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Harris Semiconductor
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75dB, 80dB PSRR | 13mA | - | Through Hole | 1 | 0°C ~ 75°C | ECL | 2.6ns | 16-PDIP | General Purpose | 3mV @ 5V | |
Analog Devices / Maxim Integrated
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95dB CMRR, 82dB PSRR | 4.2mA | - | Surface Mount | 2 | -40°C ~ 85°C | TTL | 9ns | 8-uMAX/uSOP | General Purpose | 3mV @ 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 | |
Advanced Micro Devices
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80dB CMRR, 60dB PSRR | 42mA | - | Through Hole | 1 | 0°C ~ 70°C | TTL | 15ns | 8-PDIP | General Purpose | 10mV @ 5V | |
Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 72µA | ±3mV | Surface Mount | 1 | -40°C ~ 85°C | Push-Pull, CMOS, TTL, Rail-to-Rail | 450ns (Typ) | SOT-6 | with Voltage Reference | 5mV @ 5V | |
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 | SOT-23-5 | with Voltage Reference | 5mV @ 5V | |
Analog Devices / Maxim Integrated
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60.5dB (Min) | 3mA | - | Through Hole | 4 | -55°C ~ 125°C | - | - | 14-CDIP | General Purpose | 2mV | |
Analog Devices / Maxim Integrated
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56.48dB CMRR, 80dB PSRR | 18µA | ±1mV | Surface Mount | 4 | -40°C ~ 85°C | Open-Drain, Rail-to-Rail | 20µs | 14-SOIC | General Purpose | 7mV @ 5.5V | |
Analog Devices / Maxim Integrated
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86.02dB CMRR, 86.02dB PSRR | 1mA | - | Surface Mount | 2 | -40°C ~ 85°C | TTL | 50ns | 8-SOIC | General Purpose | 2mV @ 5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 23mA | 1.5mV | Surface Mount, Wettable Flank | 1 | -40°C ~ 125°C | Differential, LVDS | 0.28ns (Typ) | 8-TDFN-SW (2x2) | General Purpose | 5mV @ 3.3V | |
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Analog Devices / Maxim Integrated
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81.94dB CMRR, 81.94dB PSRR | 300µA | 1.5mV | Surface Mount | 4 | -40°C ~ 85°C | CMOS, Push-Pull, TTL | 40ns | 14-SOIC | General Purpose | 2mV @ 5V | |
Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 96µA | ±2.5mV | Surface Mount | 4 | -40°C ~ 85°C | CMOS, Push-Pull, Rail-to-Rail, TTL | 210ns | 14-TSSOP | General Purpose | 5mV @ 5.5V | |
Analog Devices / Maxim Integrated
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- | 19µA | 13.5mV | Surface Mount | 2 | -40°C ~ 125°C | Open Collector | 29µs | TSOT-23-6 | with Voltage Reference | 1.4V ~ 18V | |
Texas Instruments
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80dB CMRR, 70dB PSRR | 23mA, 19mA | - | Surface Mount | 1 | -30°C ~ 85°C | Complementary, ECL | 3.5ns | 14-SOIC | with Latch | 1.9mV | |
Analog Devices / Maxim Integrated
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- | 2.65mA | - | Surface Mount | 1 | -40°C ~ 85°C | CMOS | 5.3ns | 12-QFN (3x3) | General Purpose | 5.5mV @ 5V | |
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Analog Devices / Maxim Integrated
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- | 4mA, 5mA | - | Through Hole | 1 | -55°C ~ 125°C | CMOS | - | TO-99 | General Purpose | 3mV | |
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Analog Devices / Maxim Integrated
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- | 16µA | 11mV | Surface Mount | 2 | 0°C ~ 70°C | Open Collector | 29µs | TSOT-23-6 | with Voltage Reference | 1.4V ~ 18V | |
Analog Devices / Maxim Integrated
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110dB CMRR, 110dB PSRR | 60µA | - | Surface Mount | 1 | -40°C ~ 125°C | Push-Pull, Rail-to-Rail | 5.5µs | TSOT-23-5 | General Purpose | 1.6mV @ 5V | |
Analog Devices / Maxim Integrated
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96dB CMRR, 85dB PSRR | 20mA, 25mA | - | Surface Mount | 1 | 0°C ~ 70°C | Complementary | 9ns | 8-SOIC | General Purpose | 3mV @ ±5V | |
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Analog Devices / Maxim Integrated
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81.94dB CMRR, 81.94dB PSRR | 700µA | - | Surface Mount | 1 | -40°C ~ 85°C | CMOS, Push-Pull, TTL | 80ns | 8-uMAX/uSOP | with Latch, Shutdown | 3mV @ 5.5V | |
Analog Devices / Maxim Integrated
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Analog Devices / Maxim Integrated
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Analog Devices / Maxim Integrated
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80dB CMRR, 86.02dB PSRR | 6.5mA | 3.5mV | Surface Mount | 1 | -40°C ~ 85°C | CMOS, TTL | 7ns | 8-uMAX/uSOP | General Purpose | 1.5mV @ 5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 86.02dB PSRR | 7mA | 3.5mV | Surface Mount | 1 | -40°C ~ 125°C | CMOS, TTL | 7ns | SOT-23-5 | General Purpose | 1.5mV @ 5V | |
Analog Devices / Maxim Integrated
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-80dB, -80dB | 3.2µA | - | Through Hole | 1 | -40°C ~ 85°C | Push-Pull, CMOS, TTL | 12µs (Typ) | 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 | with Latch | 6.5mV @ 5V | |
Analog Devices / Maxim Integrated
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Analog Devices / Maxim Integrated
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Elantec Semiconductor Inc
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90dB, 80dB PSRR | 8.2mA, 6.5mA, 5mA | - | Surface Mount | 4 | -40°C ~ 85°C | CMOS, Rail-to-Rail, TTL | 12ns | 16-SOIC | General Purpose | 4mV @ ±5V | |
Analog Devices / Maxim Integrated
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56.48dB CMRR, 80dB PSRR | 22µA | ±1mV | Surface Mount | 4 | -40°C ~ 85°C | Open-Drain, Rail-to-Rail | 20µs | 16-QSOP | with Voltage Reference | 10mV @ 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 | |
Analog Devices / Maxim Integrated
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70dB CMRR, 73dB PSRR | 5.8mA | 4.7mV | Surface Mount | 1 | -40°C ~ 125°C | CMOS | 5ns | SC-70-6 | General Purpose | 5.5mV @ 3.3V | |
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Analog Devices / Maxim Integrated
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- | 19µA | 13.5mV | Surface Mount | 2 | -40°C ~ 125°C | Open-Collector | 29µs | TSOT-23-6 | with Voltage Reference | 1.4V ~ 18V | |
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Analog Devices / Maxim Integrated
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86.02dB CMRR, 86.02dB PSRR | 4mA, 3mA, 1.5mA | - | Surface Mount | 2 | -40°C ~ 85°C | TTL | - | 14-TSSOP | with Latch | 4mV @ ±5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 7.5µA | 50mV | Surface Mount | 2 | -40°C ~ 85°C | CMOS, TTL | 12µs | 8-SOIC | with Voltage Reference | 10mV @ 5V | |
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Analog Devices / Maxim Integrated
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 5.7µA | 50mV | Surface Mount | 2 | 0°C ~ 70°C | Open Drain | 12µs | 8-SO | with Voltage Reference | 10mV @ 5V | |
Renesas
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- | 12.5mA | - | Surface Mount | 4 | -40°C ~ 85°C | - | 15ns | 36-TQFN (6x6) | Window | 50mV @ -3V, 12V | |
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Analog Devices / Maxim Integrated
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115dB CMRR, 110dB PSRR | 250µA | - | Surface Mount | 2 | -40°C ~ 85°C | Pull Up | 6µs | 8-SO | General Purpose | 1mV @ ±20V | |
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Analog Devices / Maxim Integrated
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110dB CMRR, 100dB PSRR | 10mA | - | Surface Mount | 1 | 0°C ~ 70°C | Complementary, TTL | 14ns | 8-SOIC | with Latch | 2mV @ ±5V | |
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 11µA | - | Surface Mount | 4 | -40°C ~ 85°C | CMOS, TTL | 12µs | 16-SOIC | with Voltage Reference | 10mV @ 5V | |
Analog Devices / Maxim Integrated
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- | - | - | Through Hole | - | - | - | - | 14-CERDIP | - | - | |
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Analog Devices / Maxim Integrated
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Harris Semiconductor
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75dB, 80dB PSRR | 13mA | - | Surface Mount | 1 | -40°C ~ 85°C | ECL | 2.6ns | 16-SOIC | General Purpose | 3mV @ 5V | |
Analog Devices / Maxim Integrated
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39.08dB CMRR, 36dB PSRR | 4mA, 18mA | - | Surface Mount | 1 | -40°C ~ 85°C | Complementary, TTL | 12ns | 8-SOIC | General Purpose | 1.5mV @ ±5V | |
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Analog Devices / Maxim Integrated
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96dB CMRR, 85dB PSRR | 40mA, 50mA | - | Surface Mount | 2 | 0°C ~ 70°C | Complementary | 9ns | 16-SOIC | General Purpose | 3mV @ ±5V | |
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Renesas
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Analog Devices / Maxim Integrated
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80dB CMRR, 80dB PSRR | 23mA | 1.5mV | Surface Mount, Wettable Flank | 1 | -40°C ~ 125°C | Differential, LVDS | 0.28ns (Typ) | 8-TDFN-SW (2x2) | General Purpose | 5mV @ 3.3V | |
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Analog Devices / Maxim Integrated
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-80dB, 80dB PSRR | 4.5µA | - | Through Hole | 2 | -55°C ~ 125°C | Push-Pull, CMOS, TTL | 12µs (Typ) | 8-CERDIP | General Purpose | 10mV @ 5V | |
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Analog Devices / Maxim Integrated
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96dB CMRR, 85dB PSRR | 40mA, 50mA | - | Through Hole | 2 | 0°C ~ 70°C | Complementary | 9ns | 16-PDIP | General Purpose | 3mV @ ±5V |
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