What is IC LM393?
The LM393 series are dual independent precision voltage comparators capable of single or split supply operation. These devices are designed to permit a common mode range−to−ground level with single supply operation.
What is comparator in integrated circuit?
A comparator is an electronic circuit, which compares the two inputs that are applied to it and produces an output. The output value of the comparator indicates which of the inputs is greater or lesser. Please note that comparator falls under non-linear applications of ICs.
Can I use LM393 instead of LM358?
The LM358 and LM393 might seem outwardly similar, but the LM358 is an operational amplifier with linear output, and the LM393 is a comparator with a digital output, and they cannot be interchanged.
How does a LM339 work?
The LM339 is a quad op amp comparator. A comparator works by a simple concept. Each op amp of a comparator has 2 inputs, a inverting input and a noninverting input. If the inverting input voltage is greater than the noninverting input, then the output is drawn to ground.
How does a LM393 comparator work?
The LM393 integrated circuit (IC) is a dual differential comparator, it consists of two inbuilt operational amplifiers. Each comparator accepts 2 inputs for comparison. The comparator compares these two input voltages and measure which input voltage is the larger, then it provides output.
Is the LM393 an opamp?
The IC LM393 includes two op-amps internally and each op-amp has two inputs as well as one output.
Why is comparator used?
A comparator consists of a specialized high-gain differential amplifier. They are commonly used in devices that measure and digitize analog signals, such as analog-to-digital converters (ADCs), as well as relaxation oscillators.
What is the function of comparator?
A comparator is used to compare a measurable quantity with a reference or standard such as two voltages or currents. It outputs a digital signal showing the results.
Is LM393 open collector?
Comparators with Open Collector outputs such as the LM339 or LM393 must be configured so the both outputs are HIGH when the voltage is within the desired limits. The LM311 comparator can have other output arrangements as it has both an open collector and open emitter on the output transistor.
What is the difference between op amp and comparator?
The difference between an op-amp comparator and a voltage comparator is in the output stage as a standard op-amp has an output stage that is optimized for linear operation, while the output stage of a voltage comparator is optimized for continuous saturated operation as it is always intended to be close to one supply …
How do you find the output voltage of a comparator?
Practical voltage comparator circuit.
The equation is Vref = (V+/ (R1 + R2)) x R2. Substituting the values given in the circuit diagram into this equation gives Vref = 6V. Whenever Vin goes above 6V, the output swings to ~+12V DC and vice versa.
How do you make a voltage comparator in a circuit?
The Op-Amp Voltage Comparator Circuit – YouTube
What is the difference between op-amp and comparator?
Can I use a comparator as op-amp?
While operational amplifiers and comparators may look similar, they are very different and designed to be used in different applications as an op-amp may be used as a comparator, a voltage comparator can not be used as an op-amp due to its non-linear output stage.
How does a comparator work?
A comparator circuit compares two voltages and outputs either a 1 (the voltage at the plus side) or a 0 (the voltage at the negative side) to indicate which is larger. Comparators are often used, for example, to check whether an input has reached some predetermined value.
What is the other name for comparator?
benchmark, comparability, contrast, reference.
How does a comparator work circuit?
The comparator circuit work by simply taking two analog input signals, comparing them and then produce the logical output high “1” or low “0“. When the analog input on non-inverting is less than the analog input on inverting input, then the comparator output will swing to the logical low.
What are the different types of comparators?
Types of Comparators
- Mechanical Comparator.
- Mechanical-Optical Comparator.
- Reed Type Comparator.
- Electrical-Electronic Comparator.
- Pneumatic Comparator.
What are the uses of a comparator?
What is the purpose of comparator?
How is comparator calculated?
Comparator Calculations! (Setting Hysteresis) – YouTube
How does LM393 comparator work?
Can you use an op-amp as a comparator?
These circuits used negative feedback, which normally keeps the op amp operating in the linear region. However, op amps can also be used as comparators, which causes them to operate non-linearly. The inputs are driven hard and the output voltage slams to the power supply rail.
Is LM393 an op-amp?
The IC LM393 includes two op-amps internally and each op-amp has two inputs as well as one output. These ICs works independently to provide its own output.
Can a transistor be used as a comparator?
The basic differential amplifier circuit using bipolar transistor shown in Figure 3 acts as a voltage comparator circuit, where Vo (t) is the input signal to be compared with a reference voltage V. For good results, it is necessary that the transistors Q1 and Q2 as will as resistors RC1 and RC2 are well matched.