# LM358

> low power dual operational amplifier

**Wikidata**: [Q3820379](https://www.wikidata.org/wiki/Q3820379)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/LM358)  
**Source**: https://4ort.xyz/entity/lm358

## Summary
The LM358 is a low-power dual operational amplifier (op-amp) developed by National Semiconductor. It integrates two high-gain amplifiers in a single package, designed for applications requiring minimal power consumption. Widely used in electronic circuits, it offers a compact solution for analog signal processing.

## Key Facts
- **Developer**: National Semiconductor.
- **Type**: Dual operational amplifier with low power consumption.
- **Aliases**: LM258, LM2904.
- **Classification**: Integrated circuit model and subclass of operational amplifier.
- **Image**: [LM358 example](https://commons.wikimedia.org/wiki/Special:FilePath/Nedap_ESD1_-_Keyboard_controller_PCB_-_Philips_LM358D-8584.jpg) (Philips LM358D variant).
- **Sitelink Coverage**: 5 Wikimedia projects, including English, German, and Italian Wikipedias.
- **Related Entities**: Part of the broader operational amplifier class.

## FAQs
### Q: What is the LM358 commonly used for?
A: The LM358 is widely used in electronic circuits requiring low power consumption, such as sensors, analog interfaces, and battery-powered devices, due to its dual op-amp configuration and efficiency.

### Q: What are the key features of the LM358?
A: The LM358 is distinguished by its low power operation, dual amplifier design in a single package, and compatibility with a range of supply voltages, making it versatile for general-purpose applications.

### Q: How does the LM358 differ from similar op-amps like the LM324?
A: While both are low-power op-amps, the LM358 provides two amplifiers in one package, whereas the LM324 offers four. The LM358 is often preferred for space-constrained designs requiring fewer amplifiers.

## Why It Matters
The LM358 is significant for its role in enabling low-power, cost-effective analog circuit design. Its dual configuration reduces component count and board space, critical for compact electronics. Developed by National Semiconductor, it became a staple in applications like industrial control systems, medical devices, and consumer electronics. Its compatibility with single-supply voltages and robustness in noisy environments further solidified its popularity. The LM358’s balance of performance, efficiency, and affordability has made it a enduring choice for engineers, even as newer op-amps have emerged.

## Notable For
- **Dual Configuration**: Two operational amplifiers in a single package, optimizing space and cost.
- **Low Power Operation**: Designed for minimal current draw, ideal for battery-driven systems.
- **Cross-Compatibility**: Pinout and functionality alignment with variants like LM258 and LM2904, ensuring design flexibility.
- **Legacy Adoption**: Widely integrated into industrial and commercial products since its introduction.

## Body
### Overview
The LM358 is an integrated circuit model classified as a low-power dual operational amplifier. Developed by National Semiconductor, it combines two high-gain, differential-input amplifiers in a single package. Its design emphasizes efficiency and versatility, addressing the need for compact, power-sensitive analog solutions.

### Key Specifications
- **Functionality**: Dual op-amp with differential input and high voltage gain.
- **Power Consumption**: Optimized for low quiescent current, reducing energy use in static conditions.
- **Aliases and Variants**: Marketed under designations LM258 and LM2904, ensuring compatibility across manufacturers.

### Applications
The LM358 is commonly employed in:
- **Analog Circuitry**: Signal conditioning, filtering, and amplification tasks.
- **Sensor Interfaces**: Conditioning outputs from temperature, pressure, or light sensors.
- **Power-Sensitive Designs**: Battery-operated devices, portable electronics, and IoT systems.

### Legacy and Impact
Introduced in the 1970s, the LM358 remains a foundational component in analog electronics. Its robustness and adaptability have led to widespread adoption in educational, industrial, and hobbyist projects. The inclusion of the LM358 in Philips-manufactured circuits (e.g., LM358D) highlights its reliability across diverse applications. Despite advancements in op-amp technology, the LM358’s simplicity and cost-effectiveness sustain its relevance in modern designs.