An LM741 operational amplifier is a DC-coupled high gain electronic voltage amplifier. It has only one op-amp inside. An operational amplifier IC is used as a comparator which compares the two signal, the inverting and non-inverting signal. The main function of this IC is to do mathematical operation in various circuits. Op-amps have large gain and usually used as Voltage Amplifier. The LM741 can operate with a single or dual power supply voltage.
OUTPUT Voltage = Gain * Input Voltage
LM741 Pin Configuration
Pin Number
Pin Name
Description
1 , 5
OFFSET NULL
Pin used for remove the offset voltage and balance input voltage.
2
INPUT-
Inverting signal Input
3
INPUT+
Non-Inverting signal Input
4
V-
Ground or Negative Supply Voltage
6
OUTPUT
Output of op amp
7
V+
Positive Supply Voltage
8
NC
Not connected
LM741 Applications
Comparators
DC Amplifiers
Integrator or Differentiators
Summing Amplifiers
Multi-vibrators
Active Filters
General feedback applications
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