LM258PT

Product Overview

LM258PT belongs to the category of operational amplifiers (op-amps). It is commonly used in electronic circuits for amplification, filtering, and signal conditioning. The LM258PT is known for its high gain, wide bandwidth, and low input offset voltage. It is typically available in a dual package configuration and is widely used in various electronic applications.

Basic Information

• Category: Operational Amplifier
• Use: Amplification, Filtering, Signal Conditioning
• Characteristics: High Gain, Wide Bandwidth, Low Input Offset Voltage
• Package: Dual
• Essence: Electronic Circuit Component
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units

Specifications

• Supply Voltage: ±2V to ±18V
• Input Offset Voltage: 2mV
• Gain Bandwidth Product: 1MHz
• Slew Rate: 0.3V/µs
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LM258PT has a standard pin configuration for a dual operational amplifier package. It typically consists of eight pins, with each op-amp having its non-inverting input (pin 3), inverting input (pin 2), output (pin 1), and power supply connections.

| Pin Number | Function | |------------|----------------| | 1 | Output (Op-Amp 1) | | 2 | Inverting Input (Op-Amp 1) | | 3 | Non-Inverting Input (Op-Amp 1) | | 4 | V- (Op-Amp 1) | | 5 | V+ (Op-Amp 1) | | 6 | Non-Inverting Input (Op-Amp 2) | | 7 | Inverting Input (Op-Amp 2) | | 8 | Output (Op-Amp 2) |

Functional Features

The LM258PT offers high precision and stability, making it suitable for applications requiring accurate signal processing. It provides low input bias current and low offset voltage, ensuring minimal errors in amplification and filtering tasks. Additionally, the op-amp's wide bandwidth allows for efficient signal conditioning across various frequency ranges.

Advantages and Disadvantages

Advantages

• High precision and stability
• Low input bias current
• Wide bandwidth for versatile signal processing

Disadvantages

• Limited slew rate compared to some alternative models
• May require external compensation for specific applications

Working Principles

The LM258PT operates based on the principles of differential amplification. When an input signal is applied to the inverting and non-inverting inputs, the op-amp amplifies the voltage difference between these inputs. This amplified output can then be used for various signal processing tasks, such as filtering or further amplification.

Detailed Application Field Plans

The LM258PT finds extensive use in audio amplifiers, active filters, instrumentation amplifiers, and sensor signal conditioning circuits. Its precise amplification capabilities make it suitable for medical devices, industrial automation systems, and audio equipment where accurate signal processing is crucial.

Detailed and Complete Alternative Models

Some alternative models to the LM258PT include the LM741, TL081, and OP07 operational amplifiers. These alternatives offer varying specifications and performance characteristics, allowing designers to choose the most suitable op-amp for their specific application requirements.

In conclusion, the LM258PT operational amplifier serves as a fundamental component in electronic circuits, providing high precision and stability for a wide range of signal processing applications.

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