LM339N DATASHEET PDF

Usually, we choose to use LM , it is op-amp is very versatile in use. It is not suitable for this particular work. So low efficiency. We should use a specific IC to work better.

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The devices consist of four independent voltage comparators that are designed to operate from a single power supply. Also operation from dual supplies is possible, as long as the difference between the two supplies is 2 V to 36 V. LM is a 14 pin device as shown in above pin diagram. Here we will name the pinout of all four comparators on the chip and describe function of each pin. The device is available in many packages; a designer can choose one depending on their requirement. LM is used in applications where a comparison between two voltage signals is required.

In addition with four of those comparators on board the device can compare four pairs of voltage signals at a time which comes in handy in some applications. The comparator is popular among makers and engineers for being low cost and good performance. The device response is also fast enough to satisfy many applications. Now let us take a single comparator from the four and construct a simple application circuit as show below. Here the comparison between voltages V1 and V2 is done by the device and an output is provided as Vo.

Also the device is powered from single voltage source of VCC as shown above. Based on the state of the output we can determine whether V1 is higher or V2 is higher at the input.

Subscribe to stay updated with industry's latest Electronics components and news. How to use LM Voltage Comparator First let us consider the internal connection of four comparators in the device as shown below.

Component Datasheet. LM Voltage Comparator Datasheet. Tags Voltage Comparator. Get Our Weekly Newsletter!

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