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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 MCP6548-E/P by Microchip Technology
MCP6548-E/P
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Microchip Technology
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 70dB CMRR, 80dB PSRR 1µA 6.5mV Through Hole 1 -40°C ~ 125°C CMOS, Open-Drain, Rail-to-Rail, TTL 8µs 8-PDIP General Purpose 7mV @ 5.5V
Product image for MCP6543-E/P by Microchip Technology
MCP6543-E/P
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Microchip Technology
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 70dB CMRR, 80dB PSRR 1µA 6.5mV Through Hole 1 -40°C ~ 125°C CMOS, Push-Pull, Rail-to-Rail, TTL 8µs 8-PDIP General Purpose 7mV @ 5.5V
Product image for ALD4303PBL by Advanced Linear Devices
ALD4303PBL
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Advanced Linear Devices
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 - 90µA - Through Hole 4 0°C ~ 70°C CMOS, NMOS, Open-Drain, TTL - 14-PDIP General Purpose 10mV @ 5V
Product image for MCP6546-I/MS by Microchip Technology
MCP6546-I/MS
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Microchip Technology
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 70dB CMRR, 80dB PSRR 1µA 6.5mV Surface Mount 1 -40°C ~ 85°C CMOS, Open-Drain, Rail-to-Rail, TTL 8µs 8-MSOP General Purpose 7mV @ 5.5V
Product image for NJU77242RB1-TE1 by Nisshinbo Micro Devices
NJU77242RB1-TE1
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Nisshinbo Micro Devices
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 70dB CMRR, 85dB PSRR 14µA - Surface Mount 2 -40°C ~ 125°C Open Drain 840ns (Typ) 8-TVSP CMOS 7mV @ 3V
Product image for MCP6548-I/MS by Microchip Technology
MCP6548-I/MS
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Microchip Technology
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 70dB CMRR, 80dB PSRR 1µA 6.5mV Surface Mount 1 -40°C ~ 85°C CMOS, Open-Drain, Rail-to-Rail, TTL 8µs 8-MSOP General Purpose 7mV @ 5.5V
Product image for HFA1-0003L-5 by Harris Semiconductor
HFA1-0003L-5
Harris Semiconductor
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 75dB, 80dB PSRR 13mA - Through Hole 1 0°C ~ 75°C ECL 2.6ns 16-SBDIP General Purpose 3mV @ 5V
Product image for MAX9101EUK by Analog Devices / Maxim Integrated
MAX9101EUK
Analog Devices / Maxim Integrated
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 68dB, 66dB 8µA ±2mV Surface Mount 1 -40°C ~ 85°C Open-Drain, CMOS, TTL, Output 4.5µs (Typ) SOT-23-5 General Purpose 10mV @ 5.5V
Product image for UA2903TC by Texas Instruments
UA2903TC
Texas Instruments
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 - 2.5mA - Through Hole 2 -40°C ~ 85°C Open-Collector - 8-PDIP General Purpose 7mV @ 5V
Product image for LMV7239M7X-TI by Texas Instruments
LMV7239M7X-TI
Texas Instruments
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Product image for TLC372QD by Texas Instruments
TLC372QD
Texas Instruments
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 - 300µA - Surface Mount 2 -40°C ~ 125°C CMOS, MOS, Open-Drain, TTL - 8-SOIC Differential 5mV @ 5V
Product image for MAX49140AXK/V+T by Analog Devices / Maxim Integrated
MAX49140AXK/V+T
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Analog Devices / Maxim Integrated
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 - 200µA 1.2mV Surface Mount 1 -40°C ~ 125°C CMOS, Rail-to-Rail, TTL 30ns (Typ) SC-70-5 General Purpose 5mV @ 5V
Product image for HFA2-0003L-9 by Harris Semiconductor
HFA2-0003L-9
Harris Semiconductor
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 75dB, 80dB PSRR 13mA - Through Hole 1 -40°C ~ 85°C ECL 2.6ns TO-100-10 General Purpose 3mV @ 5V
Product image for MAX966EUA+T by Analog Devices / Maxim Integrated
MAX966EUA+T
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Analog Devices / Maxim Integrated
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 56.48dB CMRR, 80dB PSRR 10µA ±1mV Surface Mount 2 -40°C ~ 85°C Open-Drain, Rail-to-Rail 20µs 8-uMAX/uSOP General Purpose 15mV @ 5.5V
Product image for MAX932CSA-TG069 by Analog Devices / Maxim Integrated
MAX932CSA-TG069
Analog Devices / Maxim Integrated
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Product image for CMP402GP by Analog Devices / Maxim Integrated
CMP402GP
Analog Devices / Maxim Integrated
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 - - - Through Hole - - - - 16-PDIP - -
Product image for HA17901AFP-E by Renesas
HA17901AFP-E
Renesas
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Product image for HA17901PJ-E by Renesas
HA17901PJ-E
Renesas
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Product image for HA17901P-E by Renesas
HA17901P-E
Renesas
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Product image for HA17901FPJ-EL-E by Renesas
HA17901FPJ-EL-E
Renesas
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Product image for MAX9118EXK by Analog Devices / Maxim Integrated
MAX9118EXK
Analog Devices / Maxim Integrated
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 66dB CMRR, 40dB PSRR 1.3µA 4mV Surface Mount 1 -40°C ~ 85°C Open-Drain, CMOS, Output 14µs (Typ) SC-70-5 with Voltage Reference 5mV @ 5V
Product image for LT6703HVIS5-2#TRPBF by Analog Devices / Maxim Integrated
LT6703HVIS5-2#TRPBF
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Analog Devices / Maxim Integrated
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 - 15µA 11.5mV Surface Mount 1 -40°C ~ 125°C Open Collector 29µs TSOT-23-5 General Purpose 1.4V ~ 18V
Product image for MAX990EKA+T by Analog Devices / Maxim Integrated
MAX990EKA+T
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Analog Devices / Maxim Integrated
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 80dB CMRR, 80dB PSRR 24µA ±3mV Surface Mount 2 -40°C ~ 85°C CMOS, Open-Drain, Rail-to-Rail, TTL 450ns SOT-23-8 General Purpose 5mV @ 5.5V
Product image for MAX967EUA-TG069 by Analog Devices / Maxim Integrated
MAX967EUA-TG069
Analog Devices / Maxim Integrated
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Product image for TLC352CD by Texas Instruments
TLC352CD
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Texas Instruments
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 - 400µA - Surface Mount 2 0°C ~ 70°C CMOS, MOS, Open-Drain, TTL - 8-SOIC Differential 5mV @ 5V
Product image for MAX9201ESE+G05 by Analog Devices / Maxim Integrated
MAX9201ESE+G05
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Analog Devices / Maxim Integrated
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Product image for MAX9141EKA by Analog Devices / Maxim Integrated
MAX9141EKA
Analog Devices / Maxim Integrated
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 38.06dB CMRR, 82dB PSRR 320µA 1.5mV Surface Mount 1 -40°C ~ 85°C Push-Pull, CMOS, TTL, Rail-to-Rail 40ns (Typ) SOT-23-8 General Purpose 2mV @ 5V
Product image for MAX992EUA+T by Analog Devices / Maxim Integrated
MAX992EUA+T
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Analog Devices / Maxim Integrated
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 80dB CMRR, 80dB PSRR 96µA ±2.5mV Surface Mount 2 -40°C ~ 85°C CMOS, Open-Drain, Rail-to-Rail, TTL 210ns 8-uMAX/uSOP General Purpose 5mV @ 5.5V
Product image for MAX9051AEUT by Analog Devices / Maxim Integrated
MAX9051AEUT
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-6 with Voltage Reference 5mV @ 5V
Product image for MAX917EUK by Analog Devices / Maxim Integrated
MAX917EUK
Analog Devices / Maxim Integrated
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 -80dB 1.3µA 4mV Surface Mount 1 -40°C ~ 85°C Push-Pull, CMOS, Output 22µs (Typ) SOT-23-5 with Voltage Reference 5mV @ 5V
Product image for CA0139AF by Harris Semiconductor
CA0139AF
Harris Semiconductor
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 - 2mA - Through Hole 4 -55°C ~ 125°C Open-Collector, CMOS, DTL, ECL, MOS, TTL - 14-CERDIP General Purpose 2mV @ 5V
Product image for CA139AM by Harris Semiconductor
CA139AM
Harris Semiconductor
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 - 2mA - Surface Mount 4 -55°C ~ 125°C Open-Collector - 14-SOIC General Purpose 2mV @ 5V
Product image for MAX923C/D by Analog Devices / Maxim Integrated
MAX923C/D
Analog Devices / Maxim Integrated
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 40dB CMRR, 40dB PSRR 4.5µA 50mV Surface Mount 2 0°C ~ 70°C CMOS, TTL - Die with Voltage Reference 10mV @ 5V
Product image for MAX9017AEKA by Analog Devices / Maxim Integrated
MAX9017AEKA
Analog Devices / Maxim Integrated
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 -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
Product image for ADCMP396ARZ-RL7 by Analog Devices / Maxim Integrated
ADCMP396ARZ-RL7
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Analog Devices / Maxim Integrated
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 74dB CMRR, 80dB PSRR 59.4µA 4mV Surface Mount 4 -40°C ~ 125°C Open Drain - 16-SOIC General Purpose 2.5mV @ 5V
Product image for PM111Y by Analog Devices / Maxim Integrated
PM111Y
Analog Devices / Maxim Integrated
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 - 4mA, 5mA - Through Hole 1 -25°C ~ 85°C CMOS - 14-CERDIP General Purpose 3mV
Product image for MAX932ESA-TG068 by Analog Devices / Maxim Integrated
MAX932ESA-TG068
Analog Devices / Maxim Integrated
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Product image for CA0239AE by Harris Semiconductor
CA0239AE
Harris Semiconductor
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 - 2mA - Through Hole 4 -25°C ~ 80°C Open-Collector, CMOS, DTL, ECL, MOS, TTL - 14-PDIP General Purpose 5mV @ 5V
Product image for MAX934EPE by Analog Devices / Maxim Integrated
MAX934EPE
Analog Devices / Maxim Integrated
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 -80dB, -80dB 6.5µA - Through Hole 4 -40°C ~ 85°C Push-Pull, CMOS, TTL 12µs (Typ) 16-PDIP with Voltage Reference 10mV @ 5V
Product image for UPC177C-A by Renesas
UPC177C-A
Renesas
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Product image for MAX991EUA+T by Analog Devices / Maxim Integrated
MAX991EUA+T
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Analog Devices / Maxim Integrated
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From HK XINYUANXIN ELECTRONIC TECH LIMITED
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 80dB CMRR, 80dB PSRR 96µA ±2.5mV Surface Mount 2 -40°C ~ 85°C CMOS, Push-Pull, Rail-to-Rail, TTL 210ns 8-uMAX/uSOP General Purpose 5mV @ 5.5V
Product image for MAX991ESA+T by Analog Devices / Maxim Integrated
MAX991ESA+T
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Analog Devices / Maxim Integrated
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 80dB CMRR, 80dB PSRR 96µA ±2.5mV Surface Mount 2 -40°C ~ 85°C CMOS, Push-Pull, Rail-to-Rail, TTL 210ns 8-SOIC General Purpose 5mV @ 5.5V
Product image for UPC277C(31)-A by Renesas
UPC277C(31)-A
Renesas
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Product image for MAX9203ESA+T by Analog Devices / Maxim Integrated
MAX9203ESA+T
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Analog Devices / Maxim Integrated
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 86.02dB CMRR, 86.02dB PSRR 2mA, 1.6mA, 800µA - Surface Mount 1 -40°C ~ 85°C TTL - 8-SOIC with Latch 4mV @ ±5V
Product image for MAX921ESA-TG068 by Analog Devices / Maxim Integrated
MAX921ESA-TG068
Analog Devices / Maxim Integrated
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Product image for PM119Y by Analog Devices / Maxim Integrated
PM119Y
Analog Devices / Maxim Integrated
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 - 4mA, 10mA - Through Hole 2 -25°C ~ 85°C Open-Collector, DTL, RTL, TTL - 14-CERDIP General Purpose 2.5mV
Product image for ADCMP671-1YUJZ-RL7 by Analog Devices / Maxim Integrated
ADCMP671-1YUJZ-RL7
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Analog Devices / Maxim Integrated
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 - 11µA 9.2mV Surface Mount 1 -40°C ~ 125°C Open Drain 10µs TSOT-6 General Purpose 1.7V ~ 5.5V
Product image for MAX9013EUA+T by Analog Devices / Maxim Integrated
MAX9013EUA+T
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Analog Devices / Maxim Integrated
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 95dB CMRR, 82dB PSRR 2.3mA - Surface Mount 1 -40°C ~ 85°C Complementary, TTL 9ns 8-uMAX/uSOP with Latch 3mV @ 5.5V
Product image for PM139AY by Analog Devices / Maxim Integrated
PM139AY
Analog Devices / Maxim Integrated
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 - 2mA - Through Hole 4 -55°C ~ 125°C CMOS, DTL, ECL, MOS, TTL - 14-CERDIP General Purpose 2mV
Product image for HFA3-0003L-9 by Harris Semiconductor
HFA3-0003L-9
Harris Semiconductor
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 75dB, 80dB PSRR 13mA - Through Hole 1 -40°C ~ 85°C ECL 2.6ns 16-PDIP General Purpose 3mV @ 5V
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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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