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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.

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.

Part & Mfr			CMRR, PSRR (Typ)	Current	Hysteresis	Mounting Type	Number of Elements	Operating Temperature	Output Type	Propagation Delay (Max)	Supplier Device Package	Type	Voltage
MAX40001AUT12+T Download Datasheet for MAX40001AUT12+T Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	46dB CMRR, 60dB PSRR (Min)	1.7µA	2.5mV	Surface Mount	1	-40°C ~ 125°C	Open Drain	14µs (Typ)	SOT-6	with Voltage Reference	8mV
MAX40000ANT12+T Download Datasheet for MAX40000ANT12+T Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	46dB CMRR, 60dB PSRR (Min)	1.7µA	2.5mV	Surface Mount	1	-40°C ~ 125°C	Push-Pull	14µs (Typ)	6-WLP (1.08x0.73)	General Purpose	10mV @ 3.3V
MAX9032ASA+T Download Datasheet for MAX9032ASA+T Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	100dB CMRR, 100dB PSRR	55µA	4mV	Surface Mount	2	-40°C ~ 125°C	CMOS, Rail-to-Rail, TTL	228ns	8-SOIC	General Purpose	1mV @ 5V
CA0139F Harris Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Through Hole	4	-55°C ~ 125°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	-	14-PDIP	General Purpose	5mV @ 5V
MAX9077EUA Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	82dB, 77dB PSRR	5.2µA	-	Surface Mount	2	-40°C ~ 85°C	Push-Pull, CMOS, TTL, Output	250ns (Typ)	8-µMAX	General Purpose	8mV @ 5V
MAX9062EBS+TG45 Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	53dB PSRR	1.1µA	±12mV	Surface Mount	1	-40°C ~ 85°C	Open Drain	15µs	4-UCSP (1.05x1.05)	with Voltage Reference	1V ~ 5.5V
LMV393IPW Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	250µA	-	Surface Mount	2	-40°C ~ 85°C	Open Collector	600ns	8-TSSOP	General Purpose	7mV @ 5V
UPC277MP-KAA-E1-A Renesas	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1mA	-	Surface Mount	2	-40°C ~ 125°C (TA)	Open-Collector	-	8-TSSOP	General Purpose	5mV @ 1.4V
MAX981CSA Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-80dB, -80dB	3.2µA	-	Surface Mount	1	0°C ~ 70°C	Open-Drain	12µs (Typ)	8-SOIC	with Voltage Reference	10mV @ 5V
MC74ACT521MEL On Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
MC74ACT521M On Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LM239AD On Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Surface Mount	4	-40°C ~ 105°C	CMOS, DTL, ECL, MOS, Open-Collector, TTL	-	14-SO	General Purpose	2mV @ 30V
LM239AN Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Through Hole	4	-40°C ~ 105°C	CMOS, DTL, ECL, MOS, Open-Collector, TTL	-	14-DIP	General Purpose	2mV @ 30V
MAX9100EUK Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	68dB, 66dB	8µA	±2mV	Surface Mount	1	-40°C ~ 85°C	CMOS, Push-Pull, TTL	4.5µs (Typ)	SOT-23-5	General Purpose	10mV @ 5.5V
LM2903M/SL160222 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Surface Mount	2	-40°C ~ 85°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	-	8-SOIC	General Purpose	7mV @ 30V
LM311J-8 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	5mA, 7.5mA	-	Through Hole	1	0°C ~ 70°C	Open-Collector, Open-Emitter	165ns (Typ)	8-CDIP	Differential	7.5mV @ ±15V
LM311P3 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LM311PWLE Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LM339ADR2 On Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Surface Mount	4	0°C ~ 70°C	Open-Collector	-	14-SOP	General Purpose	2mV @ 5V
HA17339AF-E Renesas	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
MAX9017BEKA Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	80dB PSRR	2.3µA	4mV	Surface Mount	2	-40°C ~ 85°C (TA)	Push-Pull, CMOS, Output	28µs	SOT-23-8	with Voltage Reference	5mV @ 5V
JM38510/10304BPA Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	6mA	-	Through Hole	1	-55°C ~ 125°C	-	-	8-CDIP	Differential	3mV @ ±15V
MAX9050AEUK Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	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
JM38510/11201BCA Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
MAX907MSA/PR Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-82dB, -82dB	1mA	-	Surface Mount	2	-55°C ~ 125°C	Push-Pull, TTL	50ns	8-SOIC	General Purpose	2mV @ 5V
CA0139AE Harris Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Through Hole	4	-55°C ~ 125°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	-	14-PDIP	General Purpose	2mV @ 5V
CA0339E Intersil	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Through Hole	4	0°C ~ 70°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	300ns (Typ)	14-PDIP	General Purpose	5mV @ 5V
FSC2903DR2 On Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
CMP01CJ Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	3.2mA	-	Through Hole	1	0°C ~ 70°C	Open-Collector	-	TO-99	General Purpose	3.5mV @ 5V
MAX9686MTW-4 Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	96dB CMRR, 85dB PSRR	20mA, 25mA	-	Through Hole	1	0°C ~ 70°C	Complementary	9ns	TO-100-10	General Purpose	3mV @ ±5V
MIC833BM5TR Microchip Technology	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2µA	-	Surface Mount	1	-40°C ~ 85°C	Open Drain	5µs	SOT-23-5	with Voltage Reference	1.5V ~ 5.5V
PM119Y/883C Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
PM139Y/883C Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	Through Hole	-	-	-	-	14-CDIP	-	-
MAX9685CTW-4 Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	80dB (Min), 60dB PSRR	22mA	-	Through Hole	1	0°C ~ 70°C (TA)	Complementary, ECL	-	TO-100-10	with Latch	5mV @ 5V
AD42582 Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
TLV3701QDBVRCT Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
PM139AY/883C Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Through Hole	4	-55°C ~ 125°C	CMOS, DTL, ECL, MOS, TTL	-	14-CERDIP	General Purpose	2mV
MXL1116CS8 Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	90dB CMRR, 100dB PSRR	5mA, 35mA	-	Surface Mount	1	0°C ~ 70°C	Complementary, TTL	14ns (Typ)	8-SOIC	General Purpose	3mV @ 5V
NCX2222GM125 NXP Semiconductors	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LM2901N-MAND Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
UPC319C-A Renesas	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
TLC3702QYPCT Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
SN102518P Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
TLC393IDRRB Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
UPC177C(3)-A Renesas	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
HA1-4905B6162 Harris Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LMC7211BIMX Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	75dB CMRR, 80dB PSRR	14µA	-	Surface Mount	1	-40°C ~ 85°C	Push-Pull	10µs	8-SOIC	General Purpose	15mV @ 5V
LM7711/BHA Rochester Electronics	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
MAX903CSA+G002 Download Datasheet for MAX903CSA+G002 Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LM239AN Motorola Semicondutor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Through Hole	4	-40°C ~ 105°C	CMOS, DTL, ECL, MOS, Open-Collector, TTL	-	14-DIP	General Purpose	2mV @ 30V

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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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Comparators

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