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 LM393 Low Power Dual Voltage Comparators IC DIP-8
LM393 Low Power Dual Voltage Comparators IC DIP-8
MPN :
SKU : LM393-C136
Stock : 174pcs
Price:PKR 20.00
In a general sense, an analog voltage comparator chip is like a small voltmeter with integrated switches. It measures voltages at two different points and compares the difference in quantity of voltage. If the first point has a higher voltage than the second point, the switch is turned on. However, if the first point has a lower voltage than the second point, the switch is turned off. Although there are different models of voltage comparator chips, I will discuss a very common comparator, the LM393.

 
What does LM393 stand for?
LM393 stands for “Low Power, Low Offset Voltage, Single Supply, Dual, Differential Comparators.” I will define each part:

“Low Power” is an indication that the chip uses little electricity. This can be very useful for a robot that runs on low voltage batteries.
“Low Offset Voltage” is an indication that the chip can compare voltages of points that are very close together.
“Single Supply” is an indication that the chip uses the same power supply as the points being compared.
“Dual” is an indication that there are two comparators in the chip.
“Differential” is an indication that the chip is comparing the amount of voltage of each point to each other and not comparing the voltage to a set value, such as below 4.0 V.
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