LM258DT

The LM258DT is a dual operational amplifier (op-amp) manufactured by STMicroelectronics. It is designed for a variety of applications, including signal conditioning, filtering, and amplification in both consumer and industrial electronics. Here’s a detailed description of its features and specifications:

General Features:

• Dual Op-Amp Configuration: The LM258DT contains two independent, high-gain, frequency-compensated operational amplifiers, which can be used in various configurations such as inverting, non-inverting, and differential amplifiers.
• Wide Supply Voltage Range: It operates over a wide supply voltage range, typically from ±4V to ±15V, allowing for flexibility in design and application.
• Low Input Offset Voltage: The device features a low input offset voltage, typically around 2mV, which enhances accuracy in precision applications.
• High Gain Bandwidth Product: The LM258DT has a gain bandwidth product of approximately 1 MHz, making it suitable for a variety of signal processing tasks.
• Low Noise: The op-amp is designed to minimize noise, which is crucial for applications requiring high fidelity and low distortion.

Electrical Characteristics:

• Input Impedance: The input impedance is very high, typically in the range of 10^6 ohms, which minimizes the loading effect on the preceding stage.
• Output Drive Capability: The LM258DT can drive loads of up to 600 ohms, making it suitable for driving various types of loads without significant distortion.
• Slew Rate: The typical slew rate is around 0.5 V/µs, which allows for reasonable response times in applications involving rapidly changing signals.

Package Information:

• Package Type: The LM258DT is available in a standard DIP-8 (Dual In-line Package) configuration, which is suitable for through-hole mounting. It may also be available in surface-mount packages, depending on the specific variant.
• Pin Configuration: The DIP-8 package typically includes eight pins, with designated pins for the two op-amps, power supply connections, and output connections.

Applications:

The LM258DT is widely used in various applications, including:

• Audio signal processing
• Active filters
• Voltage followers
• Integrators and differentiators
• Comparators
• Instrumentation amplifiers

Conclusion:

The LM258DT from STMicroelectronics is a versatile and reliable dual operational amplifier that offers a combination of high performance, low noise, and flexibility for a wide range of electronic applications. Its robust design and favorable electrical characteristics make it a popular choice among engineers and designers in the field of analog electronics.