LM258AP

Product Overview

LM258AP is a dual operational amplifier belonging to the LM258 series. It falls under the category of integrated circuits and is commonly used in audio amplifiers, signal conditioning, and sensor interfaces. The LM258AP is known for its low power consumption, high gain bandwidth, and wide supply voltage range. It is typically available in a standard 8-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package.

Package and Quantity

The LM258AP is commonly packaged in a plastic dual in-line package (PDIP) with a quantity of 50 units per tube.

Specifications

• Supply Voltage: ±2V to ±18V
• Input Offset Voltage: 2mV
• Input Bias Current: 25nA
• Slew Rate: 0.3V/µs
• Gain Bandwidth Product: 1MHz
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LM258AP features an 8-pin DIP package with the following pin configuration: 1. Output A 2. Inverting Input A 3. Non-Inverting Input A 4. V- 5. Non-Inverting Input B 6. Inverting Input B 7. Output B 8. V+

Functional Features

The LM258AP is designed to provide high gain and wide bandwidth while consuming minimal power. It offers excellent performance in audio applications and can be used in various signal conditioning circuits. The operational amplifier also features low input bias current and offset voltage, making it suitable for precision applications.

Advantages and Disadvantages

Advantages

• Low power consumption
• Wide supply voltage range
• High gain bandwidth product
• Low input bias current and offset voltage

Disadvantages

• Limited slew rate
• Moderate operating temperature range

Working Principles

The LM258AP operates based on the principles of differential amplification. It amplifies the voltage difference between its two input terminals and provides a corresponding output. By adjusting the feedback network, the amplifier's gain and response characteristics can be tailored to specific application requirements.

Application Field Plans

The LM258AP finds extensive use in audio amplifiers, active filters, and instrumentation circuits. Its low power consumption and precision characteristics make it suitable for battery-powered devices, sensor interfaces, and portable audio equipment. Additionally, it is commonly employed in industrial control systems and automotive electronics due to its wide supply voltage range.

Alternative Models

For applications requiring similar functionality, alternative models to the LM258AP include the LM358, LM324, and TL072 operational amplifiers. These alternatives offer comparable performance and may be selected based on specific design constraints and cost considerations.

In conclusion, the LM258AP is a versatile dual operational amplifier that excels in low-power, precision applications across various industries. Its wide supply voltage range and high gain bandwidth product make it a popular choice for audio amplifiers, sensor interfaces, and signal conditioning circuits. With careful consideration of its advantages and limitations, the LM258AP can be effectively utilized in diverse electronic designs.

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