LM258DGKR

Product Overview

Category: Integrated Circuit (IC)

Use: LM258DGKR is a dual operational amplifier that belongs to the LM258 series. It is designed for general-purpose applications and is widely used in various electronic circuits.

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

Package: LM258DGKR is available in a small outline package (SOIC) with eight pins.

Essence: The essence of LM258DGKR lies in its ability to amplify and process analog signals accurately and efficiently.

Packaging/Quantity: LM258DGKR is typically sold in reels, with 2500 units per reel.

Specifications

• Supply Voltage Range: ±2V to ±18V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 20nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Output Swing: Rail-to-Rail
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

LM258DGKR has a total of eight pins arranged as follows:

```

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| | --| V+ OUT1|-- --| IN- OUT2|-- --| IN+ V- |-- |___________| ```

Pin Description: - V+: Positive power supply - OUT1: Output 1 - IN-: Inverting input - OUT2: Output 2 - IN+: Non-inverting input - V-: Negative power supply

Functional Features

1. Low Input Offset Voltage: LM258DGKR exhibits low input offset voltage, ensuring accurate signal amplification and processing.
2. Wide Supply Voltage Range: The operational amplifier can operate within a wide supply voltage range, making it suitable for various applications.
3. Rail-to-Rail Output Swing Capability: LM258DGKR provides an output swing that covers the entire supply voltage range, maximizing signal integrity.
4. High Gain Bandwidth Product: With a high gain bandwidth product, the operational amplifier can handle high-frequency signals effectively.

Advantages and Disadvantages

Advantages: - Accurate amplification of analog signals - Wide supply voltage range allows flexibility in circuit design - Rail-to-rail output swing capability ensures maximum signal integrity - Low input offset voltage minimizes errors in signal processing

Disadvantages: - Limited gain bandwidth product compared to specialized operational amplifiers - Not suitable for applications requiring ultra-low power consumption

Working Principles

LM258DGKR operates based on the principles of differential amplification. It amplifies the difference between the voltages at its non-inverting and inverting inputs, producing an amplified output signal.

Detailed Application Field Plans

LM258DGKR finds applications in various fields, including but not limited to: 1. Audio Amplification: Used in audio amplifiers to amplify low-level audio signals. 2. Sensor Signal Conditioning: Employed in sensor circuits to condition and amplify weak sensor signals. 3. Active Filters: Utilized in active filter circuits to process and shape analog signals. 4. Instrumentation Systems: Integrated into instrumentation systems for accurate signal amplification and processing.

Detailed and Complete Alternative Models

Some alternative models to LM258DGKR include: 1. LM358: A similar dual operational amplifier with slightly different specifications. 2. LM324: A quad operational amplifier offering four amplification channels. 3. TL072: Another dual operational amplifier with enhanced performance characteristics.

These alternative models provide similar functionality and can be used as substitutes depending on specific requirements.

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