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Description
Dual Operational Amplifier JFET
Package: DIP
No of Pins: 8
Container: Rail
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LF353N is a dual operational amplifier with wide bandwidth JFET inputs. LF353N comes in an 8 pin DIP package. As LF353N datasheet suggests LF353N is best suitable for fast switching applications like comparators, integrators etc. Lets see what are the key features of the LF353N dual operation amplifier IC according to it’s datasheet.
● Low offset voltage of 10mV (internally trimmed)
● Extremely low internal bias current of 50pA
● Low noise voltage (for input) of 25nV/Hz
● Low noise current for input of 0.01pA/Hz
● Wide bandwidth gain of 4MHz
● 13V/us low slew rate
● Low operational current of 3.6mA
● High input impedance of 1TOhm
● 0.02% low THD or total harmonic distortion
● Low setting time
Lets see how to build a multi vibrator circuit using LF353N op amp IC. A multi vibrator is a circuit that can generate pulse output with some kind of an oscillator. Usually multi vibrators use capacitive oscillators or RC (resistive and capacitive) oscillators. We are going to use a capacitive oscillator in this application, and we are going to demonstrate the output using a LED. You can see the multi vibrator circuit using LF353N op amp and capacitive oscillator in below given circuit diagram.
In here we have only used one of the two op amps in side the LF353N dual op amp IC. As mentioned earlier 1uF capacitor is acting as the oscillator for the circuit. It when it charges to 4.5V LF353N will conduct the current through the LED by turning on the LED. However this will cause the capacitor to discharge through the 1MOhm resistor hence turning off the LED. Then the capacitor will charge again this will go on as a cycle hence enabling the LED to blink constantly. You can change the blink time of the LED by changing the value of the 1kOhm resistor divider or the value of the capacitor. Given below is the breadboard circuit of the above circuit diagram.
Preview of the first 3 pages of the data sheet
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10000 buyer reviews from United States
Rebecca Cooper
Length of registration:7 years
The LF353N is an integrated circuit from Texas Instruments that offers excellent performance for a variety of applications. It is a dual high-speed JFET-input operational amplifier with an internal frequency compensation network. It has a wide bandwidth of 5 MHz and a slew rate of 13 V/μs, making it suitable for high-speed applications. It also has a low input bias current of 1.0 nA and a low inp
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03/17/2023
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LF353N
LF353N has several brands around the world that may have alternate names for LF353N due to regional differences or acquisition. LF353N may also be known as the following names:
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Stock Status: 10000
Minimum: 13
Total Price:
Unit Price:0.38418
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