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Comparators

Comparators facilitate the comparison of two voltages or currents and output a digital signal indicating which is larger. Key attributes include CMRR, PSRR (Typ), and Hysteresis, which are critical for ensuring precision and stability in applications. They are commonly used in new product design and prototyping.

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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
Product image for MAX997ESA+ by Analog Devices / Maxim Integrated
MAX997ESA+
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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-SOIC General Purpose 1.5mV @ 5V
Product image for MAX913ESA+ by Analog Devices / Maxim Integrated
MAX913ESA+
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Analog Devices / Maxim Integrated
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 110dB CMRR, 100dB PSRR 10mA - Surface Mount 1 -40°C ~ 85°C Complementary, TTL 14ns 8-SOIC with Latch 2mV @ ±5V
Product image for MAX913CSA+ by Analog Devices / Maxim Integrated
MAX913CSA+
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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
Product image for LT1116CN8#PBF by Analog Devices / Maxim Integrated
LT1116CN8#PBF
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Analog Devices / Maxim Integrated
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 90dB CMRR, 75dB PSRR 38mA - Through Hole 1 0°C ~ 70°C CMOS, Complementary, TTL 16ns 8-PDIP with Latch 3mV @ 5V
Product image for MAX962EUA+ by Analog Devices / Maxim Integrated
MAX962EUA+
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Analog Devices / Maxim Integrated
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 80dB CMRR, 86.02dB PSRR 9mA 3.5mV Surface Mount 2 -40°C ~ 85°C CMOS, TTL 7ns 8-uMAX/uSOP General Purpose 1.5mV @ 5V
Product image for MAX963ESD+ by Analog Devices / Maxim Integrated
MAX963ESD+
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Analog Devices / Maxim Integrated
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 80dB CMRR, 86.02dB PSRR 11mA 3.5mV Surface Mount 2 -40°C ~ 85°C CMOS, Complementary, TTL 7ns 14-SOIC General Purpose 1.5mV @ 5V
Product image for LM139AJ/PB by Texas Instruments
LM139AJ/PB
Texas Instruments
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 - 2.5mA - Through Hole 4 -55°C ~ 125°C CMOS, DTL, ECL, MOS, Open-Collector, TTL - 14-CDIP General Purpose 2mV @ 30V
Product image for TLV3404IPW by Texas Instruments
TLV3404IPW
Texas Instruments
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 88dB CMRR, 105dB PSRR 950nA - Surface Mount 4 -40°C ~ 125°C CMOS, Open-Drain 300µs 14-TSSOP General Purpose 3.6mV @ 15V
Product image for MAX9600EUP+ by Analog Devices / Maxim Integrated
MAX9600EUP+
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Analog Devices / Maxim Integrated
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 70dB CMRR, 65dB PSRR 24mA 30mV Surface Mount 2 -40°C ~ 85°C Complementary, Differential, ECL 0.5ns 20-TSSOP with Latch 5mV @ -5.2V, 5V
Product image for LM139J/PB by Texas Instruments
LM139J/PB
Texas Instruments
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 - 2.5mA - Through Hole 4 -55°C ~ 125°C CMOS, DTL, ECL, MOS, Open-Collector, TTL - 14-CDIP General Purpose 5mV @ 30V
Product image for MAX964ESE+ by Analog Devices / Maxim Integrated
MAX964ESE+
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Analog Devices / Maxim Integrated
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 80dB CMRR, 86.02dB PSRR 9mA 3.5mV Surface Mount 4 -40°C ~ 85°C CMOS, TTL 7ns 16-SOIC General Purpose 1.5mV @ 5V
Product image for ADCMP572BCPZ-R2 by Analog Devices / Maxim Integrated
ADCMP572BCPZ-R2
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Analog Devices / Maxim Integrated
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 65dB CMRR, 74dB PSRR 52mA ±1mV Surface Mount 1 -40°C ~ 85°C CML, Complementary 0.165ns 16-LFCSP (3x3) with Latch 2mV @ 3.3V
Product image for LM2903AQS-13 by Diodes Incorporated
LM2903AQS-13
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Diodes Incorporated
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 - 1.7mA - Surface Mount 2 -40°C ~ 125°C CMOS, MOS, Open-Collector, TTL - 8-SO Differential 2mV @ 5V
Product image for LM393DRG3 by Texas Instruments
LM393DRG3
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Texas Instruments
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 - 2.5mA - Surface Mount 2 0°C ~ 70°C CMOS, MOS, Open-Drain, TTL - 8-SOIC Differential 5mV @ 30V
Product image for LM2903BIDGKR by Texas Instruments
LM2903BIDGKR
Texas Instruments
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 - 600µA - Surface Mount 2 -40°C ~ 125°C Open-Collector, CMOS, MOS, TTL 1µs (Typ) 8-VSSOP Differential 2.5mV @ 36V
Product image for MAX9140EXK+TG126 by Analog Devices / Maxim Integrated
MAX9140EXK+TG126
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Analog Devices / Maxim Integrated
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Product image for LM2903BIDDFR by Texas Instruments
LM2903BIDDFR
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Texas Instruments
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 - 600µA - Surface Mount 2 -40°C ~ 125°C Open-Collector, CMOS, MOS, TTL 1µs (Typ) TSOT-23-8 General Purpose 2.5mV @ 36V
Product image for LM2903BIDSGR by Texas Instruments
LM2903BIDSGR
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Texas Instruments
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 - 600µA - Surface Mount 2 -40°C ~ 125°C Open-Collector, CMOS, MOS, TTL 1µs (Typ) 8-WSON (2x2) General Purpose 2.5mV @ 36V
Product image for LM339ANSR by Texas Instruments
LM339ANSR
Texas Instruments
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 - 2.5mA - Surface Mount 4 0°C ~ 70°C CMOS, MOS, Open-Collector, TTL - 14-SO Differential 3mV @ 30V
Product image for LM393BIDSGR by Texas Instruments
LM393BIDSGR
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Texas Instruments
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 - 600µA - Surface Mount 2 -40°C ~ 85°C Open-Collector, CMOS, MOS, TTL 1µs (Typ) 8-WSON (2x2) General Purpose 2.5mV @ 36V
Product image for MAX934EPE+ by Analog Devices / Maxim Integrated
MAX934EPE+
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Analog Devices / Maxim Integrated
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 80dB CMRR, 80dB PSRR 8.5µA - Through Hole 4 -40°C ~ 85°C CMOS, TTL 12µs 16-PDIP with Voltage Reference 10mV @ 5V
Product image for MAX96943CGTNY+E4 by Analog Devices / Maxim Integrated
MAX96943CGTNY+E4
Analog Devices / Maxim Integrated
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Product image for AZV3002S-13 by Diodes Incorporated
AZV3002S-13
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Diodes Incorporated
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 70dB CMRR, 80dB PSRR 9µA (Typ) 13mV Surface Mount 2 -40°C ~ 85°C Push-Pull 0.8µs 8-SO General Purpose 30mV
Product image for LM2901VQPWR by Texas Instruments
LM2901VQPWR
Texas Instruments
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 - 2.5mA - Surface Mount 4 -40°C ~ 125°C CMOS, MOS, Open-Collector, TTL - 14-TSSOP Differential 7mV @ 32V
Product image for LM393FVJ-E2 by ROHM Semiconductor
LM393FVJ-E2
ROHM Semiconductor
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 - 1mA - Surface Mount 2 -40°C ~ 85°C - - 8-TSSOP-BJ General Purpose 4.5mV @ 1.4V
Product image for TLV7021DCKR by Texas Instruments
TLV7021DCKR
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
Product image for BA8391G-TR by ROHM Semiconductor
BA8391G-TR
ROHM Semiconductor
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 - 700µA - Surface Mount 1 -40°C ~ 85°C Open Collector - 5-SSOP General Purpose 7mV @ 5V
Product image for LP2901IDRQ1 by Texas Instruments
LP2901IDRQ1
Texas Instruments
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 - 100µA - Surface Mount 4 -40°C ~ 85°C CMOS, MOS, Open-Collector - 14-SOIC General Purpose 5mV @ 30V
Product image for ADCMP352YKSZ-REEL7 by Analog Devices / Maxim Integrated
ADCMP352YKSZ-REEL7
Analog Devices / Maxim Integrated
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 - 15µA - Surface Mount 1 -40°C ~ 125°C Push-Pull - SC-70-4 General Purpose 2.25V ~ 5.5V
Product image for MC3302DR2G by On Semiconductor
MC3302DR2G
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On Semiconductor
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 - 2.5mA - Surface Mount 4 -40°C ~ 85°C CMOS, Open-Collector, TTL - 14-SOIC General Purpose 20mV @ 5V
Product image for ISL55141IRZ by Renesas
ISL55141IRZ
Renesas
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 - 12.5mA - Surface Mount 1 -40°C ~ 85°C - 15ns 16-QFN (4x4) Window 50mV @ -3V, 12V
Product image for LM2903FVT-E2 by ROHM Semiconductor
LM2903FVT-E2
ROHM Semiconductor
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 - 1mA - Surface Mount 2 -40°C ~ 125°C Open-Collector - 8-TSSOP-B General Purpose 4.5mV @ 1.4V
Product image for TLV7021DBVR by Texas Instruments
TLV7021DBVR
Texas Instruments
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 78dB CMRR, 78dB PSRR 10µA 14mV Surface Mount 1 -40°C ~ 125°C Open Drain 260ns (Typ) SOT-23-5 General Purpose 8mV @ 5V
Product image for LM339NE3 by Texas Instruments
LM339NE3
Texas Instruments
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 - 2.5mA - Through Hole 4 0°C ~ 70°C CMOS, MOS, Open-Collector, TTL - 14-PDIP Differential 5mV @ 30V
Product image for MAX9142EKA+TG002 by Analog Devices / Maxim Integrated
MAX9142EKA+TG002
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Analog Devices / Maxim Integrated
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Product image for BA2903SF-E2 by ROHM Semiconductor
BA2903SF-E2
ROHM Semiconductor
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 - 1mA - Surface Mount 2 -40°C ~ 105°C Open Collector - 8-SOP General Purpose 7mV @ 5V
Product image for BA2903YFV-MGE2 by ROHM Semiconductor
BA2903YFV-MGE2
ROHM Semiconductor
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 - 1mA - Surface Mount 2 -40°C ~ 125°C Open Collector - 8-SSOP-B General Purpose 7mV @ 5V
Product image for BU7230G-TR by ROHM Semiconductor
BU7230G-TR
ROHM Semiconductor
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 80dB CMRR, 80dB PSRR 15µA - Surface Mount 1 -40°C ~ 85°C Open Drain 1.8µs (Typ) 5-SSOP CMOS 11mV @ 3V
Product image for BU7250G-TR by ROHM Semiconductor
BU7250G-TR
ROHM Semiconductor
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 80dB CMRR, 80dB PSRR 35µA - Surface Mount 1 -40°C ~ 85°C Open Drain 750ns (Typ) 5-SSOP CMOS 11mV @ 3V
Product image for BA2901YF-CE2 by ROHM Semiconductor
BA2901YF-CE2
ROHM Semiconductor
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 - 2mA - Surface Mount 4 -40°C ~ 125°C Open Collector - 14-SOP General Purpose 4mV @ 5V
Product image for MAX9201EUE+TG002 by Analog Devices / Maxim Integrated
MAX9201EUE+TG002
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Analog Devices / Maxim Integrated
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Product image for TLV7041QDBVRQ1 by Texas Instruments
TLV7041QDBVRQ1
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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, Rail-to-Rail 3µs SOT-23-5 General Purpose 8mV @ 5V
Product image for LM393PE3 by Texas Instruments
LM393PE3
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Texas Instruments
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 - 2.5mA - Through Hole 2 0°C ~ 70°C CMOS, MOS, Open-Drain, TTL - 8-PDIP Differential 5mV @ 30V
Product image for LM339F-E2 by ROHM Semiconductor
LM339F-E2
ROHM Semiconductor
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 - 2mA - Surface Mount 4 -40°C ~ 85°C Open Collector - 14-SOP General Purpose 4.5mV @ 32V
Product image for BA2903FVM-TR by ROHM Semiconductor
BA2903FVM-TR
ROHM Semiconductor
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 - 1mA - Surface Mount 2 -40°C ~ 125°C Open Collector - 8-MSOP General Purpose 7mV @ 5V
Product image for TLV7031DCKT by Texas Instruments
TLV7031DCKT
Texas Instruments
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 73dB CMRR, 77dB PSRR 900nA 17mV Surface Mount 1 -40°C ~ 125°C Push-Pull 3µs (Typ) SC-70-5 General Purpose 8mV @ 5V
Product image for TLV7012DDFR by Texas Instruments
TLV7012DDFR
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) TSOT-23-8 General Purpose 8mV @ 5V
Product image for TLV7032DGKR by Texas Instruments
TLV7032DGKR
Texas Instruments
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 73dB CMRR, 77dB PSRR 900nA 17mV Surface Mount 2 -40°C ~ 125°C (TA) Push-Pull, Rail-to-Rail 3µs (Typ) 8-VSSOP General Purpose 8mV @ 5V
Product image for TLV4051R5DBVR by Texas Instruments
TLV4051R5DBVR
Texas Instruments
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 - 3.5µA 20mV Surface Mount 1 -40°C ~ 125°C Push-Pull, Rail-to-Rail 360ns SOT-23-5 General Purpose 1.6V ~ 5.5V
Product image for MAX96960AGTNY+TE3 by Analog Devices / Maxim Integrated
MAX96960AGTNY+TE3
Analog Devices / Maxim Integrated
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About Comparators

Comparators are essential components in electronic circuits, primarily used to compare two voltages or currents and output a digital signal indicating which is larger. In the Integrated Circuits (ICs) category, comparators fall under the Amplifiers section, providing a range of options for engineers and procurement teams.

When selecting comparators, it is crucial to consider important attributes such as Common Mode Rejection Ratio (CMRR), Power Supply Rejection Ratio (PSRR), current consumption, and hysteresis characteristics. These specifications play a significant role in determining the performance and suitability of the comparator for specific applications.

Comparators are widely used in various applications including new product design and prototyping, production electronics assembly, maintenance and field replacement, and engineering evaluation. Understanding the operational parameters and lifecycle status of these components is vital for effective sourcing.

Buyers should prioritize comparing critical specifications before submitting RFQs. It is advisable to validate lifecycle status and explore alternate-source options to ensure compatibility with existing designs. By focusing on parametric filtering, buyers can mitigate sourcing risks and make informed decisions.

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