LM258DGKRG4

Product Overview

Category: Integrated Circuit (IC)

Use: Operational Amplifier

Characteristics: - Low power consumption - Wide supply voltage range - Rail-to-rail output swing capability - High input impedance - Low input offset voltage - Low noise

Package: DGK Package

Essence: The LM258DGKRG4 is a dual operational amplifier that belongs to the LM258 series. It is designed for general-purpose applications and offers high performance in a compact package.

Packaging/Quantity: The LM258DGKRG4 is available in a 8-pin plastic VSSOP package. It is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: ±2V to ±18V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 20nA (maximum)
• Input Offset Current: 5nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Slew Rate: 0.6V/µs (typical)
• Common Mode Rejection Ratio: 70dB (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM258DGKRG4 has 8 pins, which are labeled as follows:

1. OUT A: Output of Amplifier A
2. IN- A: Inverting Input of Amplifier A
3. IN+ A: Non-Inverting Input of Amplifier A
4. V-: Negative Power Supply Terminal
5. IN+ B: Non-Inverting Input of Amplifier B
6. IN- B: Inverting Input of Amplifier B
7. OUT B: Output of Amplifier B
8. V+: Positive Power Supply Terminal

Functional Features

• Low power consumption makes it suitable for battery-powered applications.
• Wide supply voltage range allows for flexibility in various power supply configurations.
• Rail-to-rail output swing capability enables the amplifier to drive signals close to the supply rails.
• High input impedance minimizes loading effects on the signal source.
• Low input offset voltage ensures accurate amplification of small signals.
• Low noise performance enhances signal integrity.

Advantages and Disadvantages

Advantages: - Versatile operational amplifier suitable for a wide range of applications. - Compact package size saves board space. - Wide supply voltage range provides flexibility in power supply design. - Excellent performance characteristics ensure accurate and reliable signal amplification.

Disadvantages: - Limited gain bandwidth product compared to specialized amplifiers. - Not suitable for high-frequency applications.

Working Principles

The LM258DGKRG4 is an operational amplifier that amplifies the difference between its two input voltages. It operates by using a differential input stage followed by a push-pull output stage. The differential input stage amplifies the voltage difference between the non-inverting and inverting inputs, while the push-pull output stage drives the amplified signal to the output pins.

Detailed Application Field Plans

The LM258DGKRG4 can be used in various applications, including but not limited to: - Audio amplification - Signal conditioning - Active filters - Instrumentation amplifiers - Voltage regulators - Sensor interfaces

Detailed and Complete Alternative Models

Some alternative models to the LM258DGKRG4 include: - LM358DGKRG4: Similar dual operational amplifier with lower supply voltage range. - LM324DGKRG4: Quad operational amplifier with similar characteristics. - LM741CN: General-purpose operational amplifier with higher performance specifications.

These alternative models offer different features and performance characteristics, allowing users to choose the most suitable option for their specific application requirements.

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