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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
SN101404P Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
MAX9018AEKA+TG0N Download Datasheet for MAX9018AEKA+TG0N Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
KA339D Download Datasheet for KA339D On Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Surface Mount	4	0°C ~ 70°C	DTL, MOS, Open-Collector, TTL	-	14-SOP	General Purpose	5mV @ 5V
LA6339M-TLM-E Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
SC239ADR2 On Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
CA0339AEX Harris Semiconductor	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	-	14-PDIP	General Purpose	2mV @ 5V
CA0339M Intersil	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Surface Mount	4	0°C ~ 70°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	300ns (Typ)	14-SOIC	General Purpose	5mV @ 5V
KA2901 On Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Through Hole	4	-40°C ~ 85°C	Open Collector	-	14-PDIP	General Purpose	7mV @ 5V
NJU77251F-TE1 Download Datasheet for NJU77251F-TE1 Nisshinbo Micro Devices	Stock on Request Send RFQ	Price on request Price and Stock on Request	70dB CMRR, 85dB PSRR	300µA	-	Surface Mount	1	-40°C ~ 125°C	Push-Pull, Rail-to-Rail	35µs (Typ)	SOT-23-5	CMOS	9mV @ 5V
NJU77250F-TE1 Download Datasheet for NJU77250F-TE1 Nisshinbo Micro Devices	Stock on Request Send RFQ	Price on request Price and Stock on Request	70dB CMRR, 85dB PSRR	300µA	-	Surface Mount	1	-40°C ~ 125°C	Push-Pull, Rail-to-Rail	35µs (Typ)	SOT-23-5	CMOS	9mV @ 5V
NJU77251F3-TE1 Download Datasheet for NJU77251F3-TE1 Nisshinbo Micro Devices	Stock on Request Send RFQ	Price on request Price and Stock on Request	70dB CMRR, 85dB PSRR	300µA	-	Surface Mount	1	-40°C ~ 125°C	Push-Pull, Rail-to-Rail	35µs (Typ)	SC-88A	CMOS	9mV @ 5V
CA0311EX Harris Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	7.5mA	-	Through Hole	1	0°C ~ 70°C	-	-	8-PDIP	General Purpose	7.5mV @ 15V
CA0239E Harris Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2mA	-	Through Hole	4	-25°C ~ 80°C	Open-Collector, CMOS, DTL, ECL, MOS, TTL	-	14-PDIP	General Purpose	5mV @ 5V
NCX2220GT115 NXP Semiconductors	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LMV7271MGX Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	78dB CMRR, 80dB PSRR	14µA	-	Surface Mount	1	-40°C ~ 85°C	CMOS, Push-Pull, Rail-to-Rail	2.1µs	SC-70-5	General Purpose	4mV @ 5V
CD8447DR2 On Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
PM211P Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	4mA, 5mA	-	Through Hole	1	-40°C ~ 85°C	CMOS	-	8-PDIP	General Purpose	3mV
LMV7255M5 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	72dB, 79dB	20µA	-	Surface Mount	1	-40°C ~ 85°C	Open-Drain, Rail-to-Rail	830ns	SOT-23-5	General Purpose	6mV @ 5V
LMV7255M7 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	72dB, 79dB	20µA	-	Surface Mount	1	-40°C ~ 85°C	Open-Drain, Rail-to-Rail	830ns (Typ)	SC-70-5	General Purpose	6mV @ 5V
LMV7255M7X Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	72dB, 79dB	20µA	-	Surface Mount	1	-40°C ~ 85°C	Open-Drain, Rail-to-Rail	830ns (Typ)	SC-70-5	General Purpose	6mV @ 5V
LM2901N/PB Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Through Hole	4	-40°C ~ 125°C	CMOS, DTL, ECL, MOS, Open-Collector, TTL	-	14-PDIP	General Purpose	7mV @ 5V
LP339N/PB Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	100µA	-	Through Hole	4	0°C ~ 70°C	CMOS, MOS, Open-Collector	-	14-PDIP	General Purpose	5mV @ 5V
LMV7251M7 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	72dB, 79dB	20µA	-	Surface Mount	1	-40°C ~ 85°C	Push-Pull, Rail-to-Rail	830ns	SC-70-5	General Purpose	6mV @ 5V
LMV7251M7X Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	72dB, 79dB	20µA	-	Surface Mount	1	-40°C ~ 85°C	Push-Pull, Rail-to-Rail	830ns (Typ)	SC-70-5	General Purpose	6mV @ 5V
LB1417-E Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LMV331M7X Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	120µA	-	Surface Mount	1	-40°C ~ 85°C	CMOS, Open-Collector, TTL	600ns	SC-70-5	General Purpose	7mV @ 5V
HA17393F-EL-E Renesas	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
M5233FP#TF1J Renesas	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
M5233FP#600D Renesas	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LM339AN/PB Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Through Hole	4	0°C ~ 70°C	CMOS, DTL, ECL, MOS, Open-Collector, TTL	-	14-PDIP	General Purpose	2mV @ 30V
MIC833BM5 Micrel Inc.	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2µA	-	Surface Mount	2	-40°C ~ 85°C	Open-Drain	5µs (Typ)	SOT-23-5	with Voltage Reference	1.5V ~ 5.5V
HA17339ARP-E-WS Renesas	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LA6339-E Sanyo Denki	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LA6339-E-ON On Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
LMV393MMX Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	300µA	-	Surface Mount	2	-40°C ~ 85°C	CMOS, Open-Collector, TTL	600ns	8-VSSOP	General Purpose	7mV @ 5V
LMX393AKA+ Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	70dB PSRR	200µA	2mV	Surface Mount	2	-40°C ~ 125°C	Open-Drain	400ns (Typ)	SOT-23-8	General Purpose	7mV @ 5V
CA0339F Harris Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	-	-	-	-	-	-	-	-	-	-
TLC3704CNSLE Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	84dB CMRR	80µA	-	Surface Mount	4	0°C ~ 70°C	CMOS, Push-Pull, TTL	4.5µs	14-SO	General Purpose	5mV @ 10V
MAX9030AXT Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	100dB CMRR, 100dB	55µA	4mV	Surface Mount	1	-40°C ~ 125°C	Push-Pull, Output	228ns (Typ)	SC-70-6	General Purpose	5mV @ 5V
LMX393HAKA+ Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	70dB PSRR	200µA	2mV	Surface Mount	2	-40°C ~ 125°C	Open-Drain	400ns (Typ)	SOT-23-8	General Purpose	7mV @ 5V
LMX331HAXK Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	70dB PSRR	120µA	2mV	Surface Mount	1	-40°C ~ 125°C	Open-Drain	600ns (Typ)	SC-70-5	General Purpose	7mV @ 5V
LMV7251M5 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	72dB, 79dB	20µA	-	Surface Mount	1	-40°C ~ 85°C	Push-Pull, Rail-to-Rail	830ns	SOT-23-5	General Purpose	6mV @ 5V
CA0311T Harris Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	7.5mA	-	Through Hole	1	0°C ~ 70°C	-	-	TO-5-8	General Purpose	7.5mV @ 15V
KA393 On Semiconductor	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	2.5mA	-	Through Hole	2	0°C ~ 70°C	Open-Drain	-	8-DIP	General Purpose	5mV @ 5V
MCP6547T-E/SN Download Datasheet for MCP6547T-E/SN Microchip Technology	Stock on Request Send RFQ	Price on request Price and Stock on Request	70dB CMRR, 80dB PSRR	1µA	6.5mV	Surface Mount	2	-40°C ~ 125°C	CMOS, Open-Drain, Rail-to-Rail, TTL	8µs	8-SOIC	General Purpose	7mV @ 5.5V
TLV4011QDCKRQ1 Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	4µA	15mV	Surface Mount	1	-40°C ~ 125°C (TA)	Open-Drain	100µs	SC-70-5	General Purpose	1.3V ~ 6V
LMV331M7-NS Texas Instruments	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	120µA	-	Surface Mount	1	-40°C ~ 85°C	CMOS, Open-Collector, TTL	600ns (Typ)	SC-70-5	General Purpose	7mV @ 5V
MAX9648AUK+T Download Datasheet for MAX9648AUK+T Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	90dB PSRR	120µA	2mV	Surface Mount	1	-40°C ~ 125°C	Open-Drain	110ns	SOT-23-5	General Purpose	7mV @ 5V
MAX40009ANT+T Download Datasheet for MAX40009ANT+T Analog Devices / Maxim Integrated	Stock on Request Send RFQ	Price on request Price and Stock on Request	-	17µA	3mV	Surface Mount	1	-40°C ~ 125°C	Push-Pull	850ns (Typ)	6-WLP (1.08x0.73)	General Purpose	5mV
MAX9019EKA+TG0N Download Datasheet for MAX9019EKA+TG0N Analog Devices / Maxim Integrated	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

What are Comparators ?

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