LM741CN

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LM741CN

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IC OPAMP GP 1 CIRCUIT 8DIP

  • 製造商德州儀器

  • 製造商部分 #LM741CN

  • 有存貨3267

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規格

屬性 價值
Part Status Obsolete
Base Product Number LM741
Amplifier Type Standard (General Purpose)
Number of Circuits 1
Slew Rate 0.5V/µs
Gain Bandwidth Product 1.5 MHz
Current - Input Bias 80 nA
Voltage - Input Offset 2 mV
Current - Supply 1.7mA
Current - Output / Channel 25 mA
Voltage - Supply Span (Min) 10 V
Voltage - Supply Span (Max) 36 V
Operating Temperature 0°C ~ 70°C
Mounting Type Through Hole
Package 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP
Packaging Tube

概述

Description

The LM741CN is a general-purpose operational amplifier (op-amp) widely used in analog electronics. It is part of the 741 series, known for its versatility and reliability. The LM741CN features a high gain, wide bandwidth, and low input offset voltage, making it suitable for various applications such as signal conditioning, filtering, and voltage amplification.
Key characteristics of the LM741CN include a single supply voltage range of ±5V to ±18V, a typical gain bandwidth product of 1 MHz, and a slew rate of 0.5V/µs. The device offers short-circuit protection and internal frequency compensation, enhancing its stability in different configurations.
The LM741CN is housed in an 8-pin dual in-line package (DIP), making it easy to integrate into breadboards and PCBs. Its simple design and robust performance make it a staple in educational settings and experimental projects. Despite being an older technology, the LM741CN remains popular due to its cost-effectiveness and reliability in non-critical applications.

Equivalent

The LM741CN is a general-purpose operational amplifier. Equivalent products include:
1. TL071
2. LM301
3. CA741
4. µA741
5. OP07
6. MC1741
These alternatives can generally be used in similar applications, though specifications may vary slightly, so it's important to check the datasheets for compatibility in specific uses.

Features

The LM741CN is a general-purpose operational amplifier known for its versatility and reliability. Key features include:
1. Wide Supply Voltage Range: Operates typically from ±5V to ±15V, making it adaptable to various power supply configurations.

2. High Input Impedance: Offers high input impedance, minimizing the loading effect on preceding stages.
3. Low Output Impedance: Ensures effective power transfer to the load.
4. Short-Circuit Protection: Protects the device in case of accidental short circuits.
5. Offset Voltage Null Capability: Allows for nulling of offset voltage to improve accuracy in precision applications.
6. Internal Frequency Compensation: Provides stable operation without the need for external compensation components.
7. Unity-Gain Bandwidth: Typically around 1 MHz, supporting a wide range of applications.
8. Slew Rate: Around 0.5 V/μs, suitable for many general-purpose applications.
9. Temperature Range: Operable over a wide temperature range, providing flexibility in different environmental conditions.
10. Package: Commonly available in an 8-pin DIP (Dual In-line Package), facilitating easy handling and integration.
These features make the LM741CN suitable for applications such as amplification, filtering, and analog computations.

Pinout

The LM741CN is an operational amplifier (op-amp) that comes in an 8-pin dual in-line package (DIP). Here is a brief overview of its pin configuration and functions:
1. Pin 1 (Offset Null): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input): Receives the input voltage that is 180 degrees out of phase with the output.
3. Pin 3 (Non-Inverting Input): Receives the input voltage that is in phase with the output.
4. Pin 4 (V- or GND): Negative power supply voltage or ground.
5. Pin 5 (Offset Null): Used together with Pin 1 for offset voltage adjustment.
6. Pin 6 (Output): The output of the op-amp.
7. Pin 7 (V+): Positive power supply voltage.
8. Pin 8 (NC - No Connection): This pin is not connected to the internal circuitry.
The LM741CN is widely used for amplification purposes, such as voltage amplification, signal filtering, and mathematical operations like addition, subtraction, integration, and differentiation.

Manufacturer

The LM741CN is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovations in analog and digital signal processing, microcontrollers, and semiconductors, serving industries such as automotive, industrial, personal electronics, communications, and enterprise systems. The company is renowned for its focus on engineering and product development, and it plays a significant role in advancing technology within the electronics sector.

Application

The LM741CN is a general-purpose operational amplifier with a wide range of application areas. It is commonly used in analog signal processing tasks such as amplification, filtering, and integration. Specific applications include audio amplifiers, active filters, oscillators, comparators, and voltage followers. Due to its stable performance, it is also used in instrumentation, process control, and analog computing. Its versatility makes it suitable for use in educational and prototyping environments, as well as in various consumer electronics, automotive, and industrial applications. The LM741CN's wide availability and ease of use further contribute to its popularity in diverse electronic circuits.

Package

The LM741CN is typically housed in an 8-pin dual in-line package (DIP). This package type is commonly used for integrated circuits and is suitable for through-hole mounting on printed circuit boards.

Frequently Asked Questions


Q: What is the supply voltage range for the LM741CN?
A: The LM741CN operates with a supply span from 10V to 36V, supporting dual supplies like ±5V to ±18V.


Q: What is the typical slew rate of this operational amplifier?
A: The slew rate is 0.5V/μs, making it suitable for low-frequency, general-purpose signal conditioning.


Q: Can this op-amp drive a standard audio load?
A: Yes, with a 25 mA output current per channel, it can drive low-impedance loads like headphones or small speakers.


Q: What is the input offset voltage for the LM741CN?
A: The typical input offset voltage is 2 mV, requiring minimal external nulling for DC precision.


Q: Is this component suitable for battery-powered designs?
A: Not ideal, as its 1.7mA supply current and 10V minimum supply limit low-power or single-cell applications.


Q: What is the package and mounting type for the LM741CN?
A: It comes in an 8-PDIP through-hole package, compatible with standard breadboards and prototyping sockets.


Q: What is the bandwidth for amplification?
A: The gain bandwidth product is 1.5 MHz, allowing stable amplification up to audio frequencies.