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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
LM119WRLQMLV Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	4.5mA, 11.5mA	-	Surface Mount	2	-55°C ~ 125°C	Open-Collector, DTL, RTL, TTL	-	10-CFP	General Purpose	4mV @ ±15V
LM2903MX/S5001230 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1mA	-	Surface Mount	2	-40°C ~ 125°C (TA)	Open-Collector, CMOS, MOS, TTL, Output	300ns (Typ)	8-SOIC	General Purpose	7mV @ 5V
LM119J-QMLV Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	4.5mA, 11.5mA	-	Through Hole	2	-55°C ~ 125°C	Open-Collector, DTL, RTL, TTL	-	14-CDIP	General Purpose	4mV @ ±15V
LM2903IDRDL Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1mA	-	Surface Mount	2	-40°C ~ 125°C	Open-Collector, CMOS, MOS, TTL, Output	1µs (Typ)	8-SOIC	General Purpose	7mV @ 30V
LM139AWG-SMD Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	70dB CMRR, 70dB PSRR	2mA	10mV	Surface Mount	4	-55°C ~ 125°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	1.3µs (Typ)	14-CFP	Differential	2mV @ 30V
LM119H-SMD Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	4.5mA, 11.5mA	-	Through Hole	2	-55°C ~ 125°C	Open-Collector, DTL, RTL, TTL	-	TO-100-10	General Purpose	4mV @ ±15V
LMV762QMMX/E7002900 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	100dB CMRR, 110dB PSRR	60mA @ 5V	-	Surface Mount	2	-40°C ~ 125°C	-	-	8-VSSOP	General Purpose	2.7V ~ 5.25V
LM139FK Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Surface Mount	4	-55°C ~ 125°C	Open-Collector, CMOS, MOS, TTL, Output	300ns (Typ)	20-LCCC (8.89x8.89)	Differential	5mV @ 5V
LM2901-MDA Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	10mV	Surface Mount	4	-40°C ~ 85°C	-	700ns (Typ)	14-SOIC	General Purpose	7mV @ 30V
LM2903AVQPWRDL Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1mA	-	Surface Mount	2	-40°C ~ 125°C	Open-Collector, CMOS, MOS, TTL, Output	1µs (Typ)	8-TSSOP	General Purpose	2mV @ 30V
LMV331QDBVRSV Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	120µA	-	Surface Mount	1	-40°C ~ 125°C	-	600ns (Typ)	SOT-23-5	General Purpose	7mV @ 5V
LM311P-NG 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	115ns	8-PDIP	Differential	7.5mV @ ±15V
LM119NAC/EM Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LM2901DRCT Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Surface Mount	4	-40°C ~ 125°C	Open-Collector, CMOS, MOS, TTL, Output	300ns (Typ)	14-SOIC	Differential	7mV @ 5V
LM2903QPWRKN Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1mA	-	Surface Mount	2	-40°C ~ 125°C	Open-Collector, CMOS, MOS, TTL, Output	1µs (Typ)	8-TSSOP	General Purpose	7mV @ 30V
LM211QDRG4HT Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	5mA, 6mA	-	Surface Mount	1	-40°C ~ 85°C	Open-Collector, Open-Emitter	165ns (Typ)	8-SOIC	Differential	3mV @ ±15V
LM119NAD/EM Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
TLV2352MJG Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	300µA	-	Through Hole	2	-55°C ~ 125°C (TA)	-	-	8-CDIP	Differential	5mV @ 5V
LM393PSR-P Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Surface Mount	2	0°C ~ 70°C (TA)	Open-Collector, CMOS, MOS, TTL	300ns (Typ)	8-SO	General Purpose	5mV @ 5V
LM119JRQMLV Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	4.5mA, 11.5mA	-	Through Hole	2	-55°C ~ 125°C	Open-Collector, DTL, RTL, TTL	-	14-CDIP	General Purpose	4mV @ ±15V
LM193 MD8 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	60dB CMRR, 60dB PSRR	2.5mA	-	Surface Mount	2	-55°C ~ 125°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	700ns (Typ)	Die	General Purpose	5mV @ 5V
LM393P-NG Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1mA	-	Through Hole	2	0°C ~ 70°C (TA)	Open-Collector, CMOS, MOS, TTL	1µs (Typ)	8-PDIP	General Purpose	5mV @ 30V
LM193AHRLQMLV Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	60dB CMRR, 60dB PSRR	2.5mA	-	Through Hole	2	-55°C ~ 125°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	700ns (Typ)	TO-99-8	General Purpose	2mV @ 5V
LM2901QPWRRB Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Surface Mount	4	-40°C ~ 125°C (TJ)	-	-	14-TSSOP	Differential	7mV @ 5V
LM2901MX/ELLI956 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Surface Mount	4	-40°C ~ 125°C (TJ)	-	-	14-SOIC	Differential	7mV @ 5V
LM2903MX/J7001500 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1mA	-	Surface Mount	2	-40°C ~ 125°C (TA)	-	-	8-SOIC	General Purpose	7mV @ 5V
LM2903MX/E7002290 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1mA	-	Surface Mount	2	-40°C ~ 125°C (TA)	-	-	8-SOIC	General Purpose	7mV @ 5V
LM2903M/ELLI699 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Surface Mount	2	-40°C ~ 85°C	-	700ns (Typ)	8-SOIC	General Purpose	7mV @ 30V
LM139AJ/883 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	70dB CMRR, 60dB PSRR	2mA	10mV	Through Hole	4	-55°C ~ 125°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	1.3µs (Typ)	14-CDIP	Differential	2mV @ 30V
LM2903QPWRRBG4 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1mA	-	Surface Mount	2	-40°C ~ 125°C (TA)	-	-	8-TSSOP	General Purpose	7mV @ 5V
LM119WGRQMLV Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	4.5mA, 11.5mA	-	Surface Mount	2	-55°C ~ 125°C	Open-Collector, DTL, RTL, TTL	-	10-CFP	General Purpose	4mV @ ±15V
LM139AW Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Surface Mount	4	-55°C ~ 125°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	300ns (Typ)	14-CFP	Differential	2mV @ 5V
LM2903MX/ELLI958 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	1mA	-	Surface Mount	2	-40°C ~ 125°C (TA)	-	-	8-SOIC	General Purpose	7mV @ 5V
LM193AHRQMLV Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	60dB CMRR, 60dB PSRR	2.5mA	-	Through Hole	2	-55°C ~ 125°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	700ns (Typ)	TO-99-8	General Purpose	2mV @ 5V
LM139AW-SMD Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	70dB CMRR, 70dB PSRR	2mA	10mV	Surface Mount	4	-55°C ~ 125°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	1.3µs (Typ)	14-CFP	Differential	2mV @ 30V
LM111J-8RLQMLV Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	5mA, 6mA	-	Through Hole	1	-55°C ~ 125°C	Open-Collector	200ns (Typ)	8-CDIP	General Purpose	3mV @ ±15V
LMV7239M7/E7001398 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	67dB, 85dB PSRR	95µA	-	Surface Mount	1	-40°C ~ 85°C	Push-Pull, Rail-to-Rail	-	SC-70-5	General Purpose	6mV @ 5V
LM2901M/ELLI520 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Surface Mount	4	-40°C ~ 125°C (TJ)	-	-	14-SOIC	Differential	7mV @ 5V
LM2901M/SL161623 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Surface Mount	4	-40°C ~ 125°C	Open-Collector, CMOS, MOS, TTL, Output	300ns (Typ)	14-SOIC	Differential	7mV @ 5V
LM2903MX/S5000556 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Surface Mount	2	-40°C ~ 85°C	-	700ns (Typ)	8-SOIC	General Purpose	7mV @ 30V
MAX40004AUK05+T Download Datasheet for MAX40004AUK05+T Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	45dB PSRR (Min)	1.3µA	8mV	Surface Mount	1	-40°C ~ 125°C	Push-Pull	55µs (Typ)	SOT-23-5	General Purpose	32mV @ 3.3V
MAX40004AUK05+ Download Datasheet for MAX40004AUK05+ Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	45dB PSRR (Min)	1.3µA	8mV	Surface Mount	1	-40°C ~ 125°C	Push-Pull	55µs (Typ)	SOT-23-5	General Purpose	32mV @ 3.3V
MAX40004AUK02+T Download Datasheet for MAX40004AUK02+T Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	45dB PSRR (Min)	1.3µA	8mV	Surface Mount	1	-40°C ~ 125°C	Push-Pull	55µs (Typ)	SOT-23-5	General Purpose	32mV @ 3.3V
MAX40004ANS05+ Download Datasheet for MAX40004ANS05+ Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	45dB PSRR (Min)	1.3µA	8mV	Surface Mount	1	-40°C ~ 125°C	Push-Pull	55µs (Typ)	4-WLP (0.73x0.73)	General Purpose	32mV @ 3.3V
MAX40004AUK02+ Download Datasheet for MAX40004AUK02+ Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	45dB PSRR (Min)	1.3µA	8mV	Surface Mount	1	-40°C ~ 125°C	Push-Pull	55µs (Typ)	SOT-23-5	General Purpose	32mV @ 3.3V
LT6700MPS6-3#PBF Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	13µA	6.5mV	Surface Mount	2	-55°C ~ 125°C	Open-Collector	29µs	TSOT-23-6	with Voltage Reference	1.4V ~ 18V
MAX9646EBS+TCK0 Osram	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
MAX40004AUK+T Download Datasheet for MAX40004AUK+T Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	45dB PSRR (Min)	1.3µA	8mV	Surface Mount	1	-40°C ~ 125°C	Push-Pull	55µs (Typ)	SOT-23-5	General Purpose	32mV @ 3.3V
MAX40004AUK+ Download Datasheet for MAX40004AUK+ Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	45dB PSRR (Min)	1.3µA	8mV	Surface Mount	1	-40°C ~ 125°C	Push-Pull	55µs (Typ)	SOT-23-5	General Purpose	32mV @ 3.3V
LSP393AAKGA Diodes Incorporated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-

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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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