LM358 (Op-Amp)

Overview

The LM358 is a dual operational amplifier (op-amp) that is a staple in the world of analog electronics. With its internal frequency compensation, wide bandwidth, and ability to operate from a single power supply, this IC is incredibly versatile. Whether you are a student learning the fundamentals of op-amps or a professional engineer designing sensor interfaces, the LM358 provides a reliable and cost-effective solution for a wide range of amplification and signal conditioning tasks.

Key Features

• Dual Operational Amplifier: Contains two independent, high-gain, internally frequency-compensated op-amps in a single package.
• Wide Supply Voltage Range: Operates from 3V to 32V with a single supply, or dual supplies, making it flexible for various power configurations.
• Large DC Voltage Gain: 100 dB ensures high amplification accuracy.
• Wide Bandwidth (Unity Gain): 1 MHz bandwidth allows for processing a wide range of signal frequencies.
• Low Power Consumption: Ideal for battery-powered applications.
• Input Common-Mode Range Includes Ground: Allows direct sensing near ground, simplifying design in single-supply systems.

Technical Specifications

• Supply Voltage (Single Supply): 3V to 32V
• Supply Voltage (Dual Supply): ±1.5V to ±16V
• Large DC Voltage Gain: 100 dB
• Unity Gain Bandwidth: 1 MHz
• Input Offset Voltage: Typically 2 mV (max 7 mV)
• Input Bias Current: Typically 45 nA
• Operating Temperature Range: 0°C to 70°C
• Package: DIP-8 (through-hole) and SOIC-8 (SMD) options available

Applications & Use Cases

• Sensor Signal Conditioning: Amplify signals from temperature sensors, light sensors, and strain gauges.
• Active Filters: Build low-pass, high-pass, and band-pass filters for audio and instrumentation.
• Comparators: Use as a voltage comparator in threshold detection circuits.
• Oscillators and Timers: Create square wave generators and timer circuits.
• DC Gain Blocks: General-purpose amplification in analog circuits.
• Audio Preamplifiers: Simple audio signal boosting.
• Power Supply Circuits: Voltage regulation and current sensing.

What's Included

• 1x LM358 Dual Operational Amplifier IC (DIP-8 package)

Compatibility

• Breadboard Friendly: Fits standard breadboards and prototyping PCBs.
• Replacement: Drop-in replacement for many other dual op-amp ICs like LM158, LM258, and similar.
• Typical Support Components: Works with standard resistors, capacitors, and diodes for various circuit configurations.

MOKWN Recommendation

The LM358 is an essential component for any electronics enthusiast, student, or professional. Its versatility and ease of use make it a must-have in your component kit. We recommend stocking up on a few of these for your upcoming projects. Whether you are building a simple comparator circuit or a complex sensor interface, the LM358 will deliver reliable performance. Buy now and elevate your analog circuit designs!