LM741CN PDIP-8 Operational Amplifier

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The LM741 series are general purpose operational amplifiers which feature improved performance over industry standards like the LM709. They are direct, plug-in replacements for the 709C, LM201, MC1439, and 748 in most applications. The amplifiers offer many features which make their application nearly foolproof: overload protection on the input and output, no latch-up when the common-mode range is exceeded, as well as freedom from oscillators. Features: Overload protection on the input and output No latch-up when the common-mode range is exceeded Applications: Audio, Communications & Networking, Signal Processing Package Includes: 1 x LM741CN PDIP-8 Operational Amplifier IC 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 Op-Amp IC Features and Specifications LM741 has only one op-amp inside, there are some op-amp IC’s having more than one op-amp like LM358, LM148, LM248, LM348 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 common-mode range is exceeded. Minimum, normal and maximum Power Consumption for this IC is ±10v, ±15v and ±22v respectively. 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 Equivalent Op-Amp ICs LM741A, LM741C, LM709C, LM201, MC1439, and LM748 Brief Description 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 An op-amp can be used in two ways: 1. Inverting Op-amp When 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 2. Non-inverting Op-amp When 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) Working Concept When voltage at non-inverting input (+) is higher than the voltage at inverting input (-), then the output of comparator is HIGH. And if the voltage of inverting input (-) is Higher than non-inverting end (+), then output is LOW. The output of the operational amplifier is the product of the gain and the input voltage. LM741 Applications Comparators DC Amplifiers Integrator or Differentiators Summing Amplifiers Multi-vibrators Active Filters General feedback applications 2D-Model In Op-amp IC 741 , PIN2 is an inverting input terminal and PIN3 is non-inverting input terminal. The output pin of this IC is PIN6. Component Datasheet : LM741 Datasheet