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LM741CN PDIP-8 Operational Amplifier

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  • LM741 has only one op-amp inside
  • Provided with short circuit and overload protection.
  • Low power consumption.
  • Large common mode rejection ratio (CMRR) and differential voltage ranges.
  • Minimum, normal and maximum Power Consumption for this IC is ±10v, ±15v and ±22v respectively.
  • The operating temperature should be -50 to 125 ˚C.
  • Supply current – 1.7 to 2.8mA.
  • Available packages: TO-99, CDIP & PDIP

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Description

LM741 Op-amp IC

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 the mathematical operations in various circuits. Op-amps have large gain and usually used as Voltage amplifiers. The LM741 can operate with a single or dual power supply voltage. ( find out a wide range of OP-AMP at solicstores.in).

OUTPUT Voltage = Gain * Input Voltage

An op-amp can be used in two ways:

 

1. Inverting Op-amp

When the input source is connected to inverting terminal PIN 2 and feedback with the output PIN 6 then the op-amp is in inverting condition. Like if PIN 2 is having +ve polarity then we will get –ve polarity of output from PIN 6.

GAIN = Rf/R1

LM741

 

 

 

 

 

 

 

2. Non-inverting Op-amp

When the input source is connected to non-inverting terminal PIN 3 and PIN 2 is feedback with the output PIN 6 then the op-amp is in non-inverting condition. Like if PIN 3 is having +ve polarity then we will get +ve polarity of output from PIN 6.

GAIN = 1+ (Rf/R1)

LM741

 

 

 

 

 

 

 

Working Concept

When the voltage at the non-inverting input (+) is higher than the voltage at inverting input (-), then the output of the comparator is HIGH. And if the voltage of inverting input (-) is Higher than the non-inverting end (+), then output is LOW. The output of the operational amplifier is the product of the gain and the input voltage.

LM741 Pin Configuration

LM741

 

 

 

 

 

 

 

 

Pin Number Pin Name Description
1, 5 OFFSET NULL Pin used to 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 Op-Amp IC Features and Specifications

  • LM741 has only one op-amp inside
  • Provided with short circuit and overload protection.
  • Low power consumption.
  • Large common mode rejection ratio (CMRR) and differential voltage ranges.
  • No external frequency compensation is required.
  • Prevent from latch-up when the common-mode range is exceeded.
  • Minimum, normal and maximum Power Consumption for this IC is ±10v, ±15v and ±22v respectively.
  • The operating temperature should be -50 to 125 ˚C.
  • Supply current – 1.7 to 2.8mA.
  • Soldering pin temperature – PDIP package – 260 ˚C (for 10 seconds – prescribed)
  • TO-99 and CDIP – 300 ˚C (for 10 seconds – prescribed)
  • Available packages: TO-99, CDIP & PDIP

LM741 Applications

  • Comparators
  • DC Amplifiers
  • Integrator or Differentiators
  • Summing Amplifiers
  • Multi-vibrators
  • Active Filters
  • General feedback application

Package Includes :

1 x LM741CN PDIP-8 Operational Amplifier

Specification

Package/Case PDIP-8
Mounting Type Through Hole
Amplifier Type General Purpose Amplifier
Number of Channel 1
Output Current Per Channel 25 mA
Input Bias Current (Ib) 0.5 uA at +/- 15 V
Gain Bandwidth Product (GBP) 1 MHz
Input Offset Voltage (Vos) 6 mV
Slew Rate (SR) 0.5 V/us
CMRR 70 dB
Voltage Gain (dB) 106.02 dB
Technology Bipolar
Max Dual Supply Voltage +/- 18 V
Min Dual Supply Voltage +/- 5 V
Operating Current 2.8 mA
Operating Temperature Range 0ºC to 70ºC
Dimensions (mm) LxWxH 9.27 x 6.35 x 3.3

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