What IC 741 stands for?
The 741 Op Amp IC is a monolithic integrated circuit, comprising of a general purpose Operational Amplifier. It was first manufactured by Fairchild semiconductors in the year 1963. The number 741 indicates that this operational amplifier IC has 7 functional pins, 4 pins capable of taking input and 1 output pin.
How many pins are there in 741?
The representation of 741 IC op-amp is given below which comprises eight pins. The most significant pins are 2,3 and 6, where pins 2 and 3 denote inverting & non-inverting terminals, and pin 6 denotes output voltage.
What is NC in 741 IC?
Many times, chips such as op amps, have a NC terminal, which stands for Not Connected terminal. This terminal should stay unconnected, meaning it should not be connected to your circuit at all.
What is the operating voltage range of 741 op amp IC?
Supply-voltage operating range for the 741 is +4.5 volts (minimum) to +18 volts (maximum), and it is specified for operation between +5 and +15 Vdc. The device will operate essentially the same over this range of voltages without change in timing period.
What is the input resistance of IC 741 opamp?
For the 741 the input resistance measured to one input with the other grounded is about 2 Megohms. For FET input devices it is typically 10^12 ohms.
What is NC pin for?
NC pins, also called unconnected or no-connect pins, are IC terminals with no internal connection and no external function. These are some of the most commonly used pin names for unconnected pins and how you’ll find them in component datasheets: * NC = No-Connect.
How do you test a 741 op-amp?
Testing a 741 IC A voltage is applied to pin3 of the op-amp through the variable resistor (10K). All we need to do is to verify whether the voltages V1 and V2 are exactly same or not. Check them using a multi-meter.
How many pins are there in op-amp?
There are two input pins (non-inverting and inverting), an output pin, and two power pins. The ideal op- amp has infinite gain. It amplifies the voltage difference between the two inputs and that voltage appears at the output.
What is the output impedance of IC 741?
about 75 ohms
The 741: Practical Considerations Though in some applications the 741 is a good approximation to an ideal op-amp, there are some practical limitations to the device in exacting applications. The output impedance is about 75 ohms.