LM358N

LM358N is a low-power dual operational amplifier integrated circuit (IC) that offers a combination of low power consumption and high performance. Here is a detailed description of LM358N:

Manufacturer and Package

• Manufacturer: ON Semiconductor (formerly Fairchild Semiconductor)
• Package Type: PDIP-8 (Plastic Dual In-line Package with 8 pins)

Key Features

• Dual Operational Amplifiers: Contains two independent, high-gain, frequency-compensated operational amplifiers within a single chip.
• Low Power Consumption: Designed for low-power applications, making it suitable for battery-powered devices and other power-sensitive systems.
• Wide Supply Voltage Range: Can operate on a single supply voltage ranging from 3V to 32V, providing flexibility in power supply configurations.
• High Bandwidth: Features a bandwidth of 1MHz (some sources indicate 100kHz, but 1MHz is more commonly specified), ensuring fast signal transmission and processing.
• High Slew Rate: With a slew rate of 0.1V/μs (some sources indicate 600mV/μs or higher), it can handle rapid changes in input signals.
• Low Input Offset Voltage: Typically 7mV (some sources indicate lower values), which helps to maintain signal accuracy.
• Wide Operating Temperature Range: Can operate within a temperature range of 0°C to +70°C, ensuring stable performance in various environmental conditions.

Applications

• Signal Conditioning: Used in audio equipment and other signal processing devices for amplifying, filtering, or modulating signals.
• Sensor Interfaces: Effective in amplifying weak sensor output signals from various sensors (e.g., temperature, pressure, light sensors) for further processing.
• Power Control: Utilized in power management modules to construct voltage regulation and current control circuits, contributing to more stable power output.

Additional Notes

• Common-Mode Rejection Ratio (CMRR): Typically high, which helps to reject unwanted common-mode signals.
• Input Bias Current: Low input bias current makes it suitable for applications requiring high input impedance.
• Output Drive Capability: Despite its small size, LM358N has good output drive capability, capable of driving various electronic components.
• Installation Options: Supports both surface-mount and through-hole installation, catering to different installation needs.

Summary

LM358N is a versatile and reliable dual operational amplifier IC that combines low power consumption with high performance. Its wide supply voltage range, high bandwidth, and low input offset voltage make it suitable for a variety of applications in the electronic industry. Whether it’s signal conditioning, sensor interfacing, or power control, LM358N offers a robust and cost-effective solution.