LM258D

Product Overview

Category: Integrated Circuit (IC)

Use: LM258D is a dual operational amplifier that is widely used in various electronic circuits for amplification, filtering, and signal conditioning purposes.

Characteristics: - Low input offset voltage - Low input bias current - High open-loop gain - Wide supply voltage range - Rail-to-rail output swing capability

Package: LM258D is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of LM258D lies in its ability to provide high-performance operational amplification in a compact and versatile package.

Packaging/Quantity: LM258D is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

LM258D exhibits the following specifications:

• Supply Voltage Range: ±2V to ±18V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 20nA (maximum)
• Open-Loop Gain: 100dB (typical)
• Output Swing: Rail-to-Rail
• Slew Rate: 0.3V/µs (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The pin configuration of LM258D is as follows:

___________ V+ |1 8| V- IN-|2 7| OUT IN+|3 6| NC GND|4 5| NC ¯¯¯¯¯¯¯¯¯¯¯

Functional Features

The functional features of LM258D include:

• Dual operational amplifier in a single package
• Low input offset voltage for accurate signal processing
• High open-loop gain for precise amplification
• Rail-to-rail output swing capability for maximum signal range
• Wide supply voltage range for versatile applications

Advantages and Disadvantages

Advantages: - Compact size and easy integration into electronic circuits - Low input offset voltage ensures accurate signal processing - High open-loop gain allows for precise amplification - Rail-to-rail output swing capability provides a wide dynamic range - Versatile supply voltage range accommodates various power sources

Disadvantages: - Limited number of pins restricts the complexity of circuit designs - Sensitive to electrostatic discharge (ESD) due to its small package size

Working Principles

LM258D operates based on the principles of operational amplifiers. It utilizes differential inputs to amplify and process signals, providing high gain and accurate output. The internal circuitry of LM258D is designed to minimize input offset voltage and bias current, ensuring precise signal conditioning.

Detailed Application Field Plans

LM258D finds extensive application in various fields, including:

1. Audio Amplification: LM258D can be used in audio amplifiers to enhance the sound quality and volume of audio systems.
2. Sensor Signal Conditioning: It is employed in sensor interface circuits to amplify and condition weak sensor signals for further processing.
3. Active Filters: LM258D is utilized in active filter circuits to shape and modify the frequency response of signals.
4. Instrumentation Systems: It plays a crucial role in instrumentation systems where accurate signal amplification and conditioning are required.
5. Control Systems: LM258D is employed in control systems to process and amplify control signals for precise control of various devices.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LM258D include:

1. LM358: A single operational amplifier with similar characteristics to LM258D.
2. TL072: A dual operational amplifier with low noise and high slew rate.
3. AD822: A precision dual operational amplifier with low input offset voltage and high common-mode rejection ratio.

These alternative models can be considered based on specific application requirements and design constraints.

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