About Analog Comparators

On Semiconductor Analog Comparators

Analog comparators are devices used to compare two analog voltage signals and output either a digital high state or a digital low state depending on whether the compared signals are above or below a certain reference voltage. Dubbed the “World’s Simplest Microprocessor” by industry analysts, an analog comparator consists of an operational amplifier circuitry and a few resistors and capacitors. The operational amplifier provides power and the resistors and capacitors provide the necessary timing-related delay to the input signals. Generally, when the two input signals exceed the reference voltage, the output of the comparator is a logic high and when the input signals are below the reference, the output is a logic low. The thresholds for the inputs can be predetermined or can be adjustable depending on the application requirements. Analog comparators can also be made with programmable input thresholds or limits. These are useful in sensors or actuators that need to be adjusted to appropriate ranges.

Analog Comparators

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(Ex. GST)(▲▼)		Enter Qty SeriesNumber of ChannelsOutput TypeResponse TimeComparator TypeIb - Input Bias CurrentVos - Input Offset VoltageSupply Voltage - MaxSupply Voltage - MinOperating Supply CurrentSupply Current per ChannelMounting StyleMinimum Operating TemperatureMaximum Operating TemperaturePd - Power DissipationPackage / CaseQualificationPackagingOutput Current per ChannelSupply Current
  
                        
LMV393MUTAG


Comparator ICs LV DUAL COMP
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ON Semiconductor 5245
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AUD 0.7922
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Lmv3932 ChannelOpen Drain General Purpose1 nA9 mV5 V2.7 V250 uA Smd/Smt- 40 C+ 85 C UDFN - 8 Reel23 mA 
LMV339DTBR2G


Comparator ICs LV QUAD COMP
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ON Semiconductor 5015
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AUD 0.3043
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Lmv3394 ChannelOpen Drain General Purpose1 nA9 mV5 V2.7 V300 uA Smd/Smt + 150 C TSSOP - 14 Reel  
KA339ADTF


Comparator ICs Quad Comparator
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ON Semiconductor 4445
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AUD 0.2423
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Ka3394 ChannelOpen Collector1.3 us 250 nA4 mV36 V18 V2 mA Smd/Smt0 C+ 70 C570 mWSOP - 14 Reel18 mA 
KA339A


Comparator ICs Quad Comparator
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ON Semiconductor 4139
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AUD 0.2808
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Ka3394 ChannelOpen Collector1.3 us 250 nA4 mV36 V18 V2 mA Through Hole0 C+ 70 C570 mWDIP - 14 Tube18 mA 
NCV331SN3T1G


ON Semiconductor Analog Comparators SGL General Purpose Low VTG Comparator
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ON Semiconductor 3978
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AUD 0.253
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Ncv3311 ChannelOpen Drain General Purpose1 nA1.7 mV5 V2.7 V40 uA Smd/Smt- 40 C+ 125 C TSOP - 5Aec - Q100Reel84 mA 
KA393ADTF


Fairchild Semiconductor Analog Comparators Dual Comparator
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ON Semiconductor 3861
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AUD 0.2365
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Ka3932 ChannelOpen Collector1.4 us 250 nA4 mV36 V18 V1 mA Smd/Smt0 C+ 70 C570 mWSOP - 8 Reel18 mA 
LM393DMR2G


Comparator ICs 2-36V Dual Commercial Temp
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ON Semiconductor 3157
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AUD 0.1952
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Lm3932 ChannelOpen Collector1.5 us   36 V2 V  Smd/Smt0 C+ 70 C MSOP - 8 Reel  
LMV331SN3T1G


Comparator ICs LV R2R COMPARATOR
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ON Semiconductor 2910
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AUD 0.2616
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Lmv3311 ChannelOpen Drain    5 V2.7 V  Smd/Smt- 65 C+ 150 C TSOP - 5 Reel  
NCS2202SQ2T2G


ON Semiconductor Analog Comparators ANA COMPARATORS
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ON Semiconductor 2855
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AUD 0.2672
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Ncs22021 ChannelOpen Drain1.1 usGeneral Purpose1 pA5 mV6 V850 mV15 uA Smd/Smt- 40 C+ 105 C SC - 70 - 5 Reel  
KA339DTF


Fairchild Semiconductor Analog Comparators Quad Comparator
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ON Semiconductor 2730
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AUD 0.2423
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Ka3394 ChannelOpen Collector1.3 us 250 nA9 mV36 V18 V2 mA Smd/Smt0 C+ 70 C570 mWSOP - 14 Reel18 mA 
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