LM258APT

Product Overview

Category: Integrated Circuit (IC)

Use: LM258APT is a dual operational amplifier that is commonly used in various electronic circuits for amplification and signal processing purposes.

Characteristics: - Low input offset voltage - Low input bias current - Wide supply voltage range - High gain bandwidth product - Low power consumption

Package: LM258APT is available in an 8-pin plastic small outline package (SOIC).

Essence: The essence of LM258APT lies in its ability to provide high-performance amplification and signal conditioning in a compact and versatile package.

Packaging/Quantity: LM258APT is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: ±2V to ±18V
• Input Offset Voltage: 2 mV (maximum)
• Input Bias Current: 20 nA (maximum)
• Gain Bandwidth Product: 1 MHz (typical)
• Slew Rate: 0.3 V/µs (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

LM258APT features an 8-pin configuration with the following pin assignments:

1. Non-Inverting Input (Op-Amp A)
2. Inverting Input (Op-Amp A)
3. Output (Op-Amp A)
4. VCC+
5. Non-Inverting Input (Op-Amp B)
6. Inverting Input (Op-Amp B)
7. Output (Op-Amp B)
8. VCC-

Functional Features

• Dual Operational Amplifier: LM258APT consists of two independent operational amplifiers (Op-Amp A and Op-Amp B) in a single package.
• Low Input Offset Voltage: The low input offset voltage ensures accurate amplification and minimal distortion in the output signal.
• Wide Supply Voltage Range: LM258APT can operate with a wide range of supply voltages, making it suitable for various applications.
• High Gain Bandwidth Product: The high gain bandwidth product enables the amplifier to handle higher frequency signals effectively.
• Low Power Consumption: LM258APT consumes low power, making it energy-efficient and suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Accurate amplification with low input offset voltage - Versatile due to wide supply voltage range - Suitable for low-power applications - Compact size and easy integration into electronic circuits

Disadvantages: - Limited gain bandwidth product compared to some specialized operational amplifiers - Not suitable for high-frequency applications requiring very high slew rates

Working Principles

LM258APT operates based on the principles of operational amplifiers. It amplifies the difference between the voltages applied to its inputs and produces an output voltage proportional to this difference. The amplification is achieved through internal circuitry that utilizes transistors and feedback mechanisms.

Detailed Application Field Plans

LM258APT finds applications in various fields, including but not limited to: 1. Audio Amplification: LM258APT can be used in audio amplifiers to amplify low-level audio signals from sources such as microphones or musical instruments. 2. Signal Conditioning: It can be employed in signal conditioning circuits to adjust the amplitude, frequency, or phase of signals before further processing. 3. Sensor Interface: LM258APT can interface with sensors to amplify and condition their output signals for measurement or control purposes. 4. Active Filters: It can be utilized in active filter circuits to shape the frequency response of signals by selectively attenuating or amplifying specific frequency components.

Detailed and Complete Alternative Models

Some alternative models to LM258APT that offer similar functionality and characteristics include: - LM358 - TL072 - NE5532 - OP07

These alternative models can be considered based on specific requirements, availability, and cost considerations.

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