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規格
| 屬性 | 價值 |
| Package / Case | Bulk |
| Part Status | Active |
| Amplifier Type | 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 | 1 mV |
| Supply Current | 1.7mA |
| Voltage - Supply Span(Min) | 10 V |
| Voltage - Supply Span(Max) | 44 V |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Through Hole |
概述
Description
The LM741H is a general-purpose operational amplifier (op-amp) that is widely used in electronic circuits. It is part of the classic 741 series of op-amps, known for their reliability and ease of use. The "H" in LM741H indicates a metal can package, which provides good thermal performance and durability.
The LM741H features a high gain, internal frequency compensation, and a large input voltage range, making it suitable for a variety of applications, including signal amplification, filtering, and oscillation. It operates with a dual power supply, typically ±15V, but can function with a range of ±5V to ±22V. The op-amp has a slew rate of approximately 0.5V/µs and an input offset voltage around 1mV.
Due to its robust design, the LM741H is used in educational settings and for prototyping, as well as in commercial and industrial applications where precision is not critical. Its metal can design allows it to withstand harsher environmental conditions compared to plastic-packaged counterparts.
The LM741H features a high gain, internal frequency compensation, and a large input voltage range, making it suitable for a variety of applications, including signal amplification, filtering, and oscillation. It operates with a dual power supply, typically ±15V, but can function with a range of ±5V to ±22V. The op-amp has a slew rate of approximately 0.5V/µs and an input offset voltage around 1mV.
Due to its robust design, the LM741H is used in educational settings and for prototyping, as well as in commercial and industrial applications where precision is not critical. Its metal can design allows it to withstand harsher environmental conditions compared to plastic-packaged counterparts.
Equivalent
The LM741H is a general-purpose operational amplifier. Equivalent products include:
- TL071: A low-noise JFET-input op-amp.
- LM1458: A dual general-purpose op-amp.
- LM358 A dual op-amp with similar characteristics.
- UA741: Another version of the general-purpose op-amp.
- CA3140: A high-speed BiMOS op-amp.
These alternatives may have different characteristics, so check datasheets for compatibility with your application.
- TL071: A low-noise JFET-input op-amp.
- LM1458: A dual general-purpose op-amp.
- LM358 A dual op-amp with similar characteristics.
- UA741: Another version of the general-purpose op-amp.
- CA3140: A high-speed BiMOS op-amp.
These alternatives may have different characteristics, so check datasheets for compatibility with your application.
Features
The LM741H is a general-purpose operational amplifier known for its reliability and versatility in various applications. Key features include:
1. Wide Supply Voltage Range: The LM741H operates over a wide range of voltages, typically from ±5V to ±15V, making it suitable for different power supplies.
2. High Input Impedance: It offers a high input impedance, minimizing the load on preceding circuits and ensuring accurate signal amplification.
3. Low Input Offset Voltage: The offset voltage is minimal, reducing errors in precision applications.
4. High Gain: The amplifier provides a high voltage gain, enhancing its utility in amplification tasks.
5. Short-Circuit Protection: The LM741H includes internal circuitry to protect against output short circuits.
6. Temperature Stability: It maintains performance across a wide temperature range, making it reliable in varied environmental conditions.
7. Low Noise: The design minimizes noise, which is essential for clear signal processing.
These features make the LM741H suitable for use in integrators, summing amplifiers, and general-purpose amplifier applications in both industrial and consumer electronics.
1. Wide Supply Voltage Range: The LM741H operates over a wide range of voltages, typically from ±5V to ±15V, making it suitable for different power supplies.
2. High Input Impedance: It offers a high input impedance, minimizing the load on preceding circuits and ensuring accurate signal amplification.
3. Low Input Offset Voltage: The offset voltage is minimal, reducing errors in precision applications.
4. High Gain: The amplifier provides a high voltage gain, enhancing its utility in amplification tasks.
5. Short-Circuit Protection: The LM741H includes internal circuitry to protect against output short circuits.
6. Temperature Stability: It maintains performance across a wide temperature range, making it reliable in varied environmental conditions.
7. Low Noise: The design minimizes noise, which is essential for clear signal processing.
These features make the LM741H suitable for use in integrators, summing amplifiers, and general-purpose amplifier applications in both industrial and consumer electronics.
Pinout
The LM741H is an operational amplifier IC with an 8-pin metal can package. Here is a concise description of its pin configuration and functions:
1. Pin 1 (Offset Null): Used to nullify offset voltage.
2. Pin 2 (Inverting Input): Input where the signal to be amplified is applied, inverted at the output.
3. Pin 3 (Non-Inverting Input): Input where the signal is applied and appears at the output in phase.
4. Pin 4 (V- or VCC-): Negative power supply terminal.
5. Pin 5 (Offset Null): Second offset null pin, used with Pin 1 for offset voltage adjustment.
6. Pin 6 (Output): The output terminal where the amplified signal is obtained.
7. Pin 7 (V+ or VCC+): Positive power supply terminal.
8. Pin 8 (N/C): No connection.
The LM741H is widely used in applications requiring general-purpose operational amplifiers, providing functions such as amplification, signal conditioning, and filtering.
1. Pin 1 (Offset Null): Used to nullify offset voltage.
2. Pin 2 (Inverting Input): Input where the signal to be amplified is applied, inverted at the output.
3. Pin 3 (Non-Inverting Input): Input where the signal is applied and appears at the output in phase.
4. Pin 4 (V- or VCC-): Negative power supply terminal.
5. Pin 5 (Offset Null): Second offset null pin, used with Pin 1 for offset voltage adjustment.
6. Pin 6 (Output): The output terminal where the amplified signal is obtained.
7. Pin 7 (V+ or VCC+): Positive power supply terminal.
8. Pin 8 (N/C): No connection.
The LM741H is widely used in applications requiring general-purpose operational amplifiers, providing functions such as amplification, signal conditioning, and filtering.
Manufacturer
The LM741H is an operational amplifier that was originally developed by Fairchild Semiconductor. Fairchild Semiconductor was a major American company involved in the development and manufacturing of semiconductors and integrated circuits. It played a pivotal role in the growth of Silicon Valley and the broader electronics industry.
Fairchild Semiconductor was known for its innovation and contributions to the development of the integrated circuit technology. The company introduced several groundbreaking products and was instrumental in establishing the foundations for modern semiconductor manufacturing.
In terms of corporate evolution, Fairchild Semiconductor became part of several mergers and acquisitions over the years. In 2016, it was acquired by ON Semiconductor, which is now known as onsemi. Onsemi is a global supplier of semiconductor-based solutions, providing a comprehensive range of products including power and signal management, logic, discrete, and custom devices to help design energy-efficient electronics.
The LM741H continues to be manufactured by various companies that have acquired the rights or have produced compatible versions since its original release. These versions are used in multiple applications ranging from analog signal processing to use in educational settings, owing to its robustness and reliability.
Fairchild Semiconductor was known for its innovation and contributions to the development of the integrated circuit technology. The company introduced several groundbreaking products and was instrumental in establishing the foundations for modern semiconductor manufacturing.
In terms of corporate evolution, Fairchild Semiconductor became part of several mergers and acquisitions over the years. In 2016, it was acquired by ON Semiconductor, which is now known as onsemi. Onsemi is a global supplier of semiconductor-based solutions, providing a comprehensive range of products including power and signal management, logic, discrete, and custom devices to help design energy-efficient electronics.
The LM741H continues to be manufactured by various companies that have acquired the rights or have produced compatible versions since its original release. These versions are used in multiple applications ranging from analog signal processing to use in educational settings, owing to its robustness and reliability.
Application
The LM741H is a general-purpose operational amplifier used in various applications due to its versatility and reliability. Common applications include analog signal amplification, active filters, and voltage followers. It is often used in audio equipment for pre-amplification and tone control. The LM741H is also employed in instrumentation circuits for sensor signal conditioning and in control systems for error detection and correction. Additionally, it finds use in mathematical operations such as integration and differentiation in analog computers. Its stable performance and ease of use make it suitable for educational purposes and prototyping in electronic design.
Package
The LM741H is an operational amplifier commonly housed in a metal can package known as TO-99. This package type is recognized for its durability and ability to withstand higher temperatures, making it suitable for industrial and military applications.
