LM158DT

The LM158DT is a dual operational amplifier (op-amp) manufactured by STMicroelectronics. It is designed for a wide range of applications, including signal conditioning, filtering, and amplification in various electronic circuits. Here’s a detailed description of its features and specifications:

General Features:

• Dual Op-Amp Configuration: The LM158DT contains two independent, high-gain, frequency-compensated operational amplifiers, which can be used in various configurations such as inverting, non-inverting, and differential amplifiers.
• Low Noise: The device is designed to provide low noise performance, making it suitable for audio and precision applications.
• Wide Supply Voltage Range: It operates over a wide supply voltage range, typically from ±4V to ±15V, allowing flexibility in design and application.
• High Input Impedance: The op-amp features a high input impedance, which minimizes the loading effect on the preceding stage of the circuit.
• Low Output Impedance: This characteristic allows the op-amp to drive loads effectively without significant voltage drop.

Electrical Characteristics:

• Input Offset Voltage: The LM158DT has a low input offset voltage, typically around 2 mV, which enhances accuracy in applications requiring precision.
• Gain Bandwidth Product: The gain bandwidth product is typically around 1 MHz, which indicates the frequency range over which the op-amp can maintain its gain.
• Slew Rate: The slew rate is approximately 0.3 V/µs, which defines how quickly the output can respond to rapid changes in the input signal.
• Common-Mode Rejection Ratio (CMRR): The CMRR is typically around 100 dB, ensuring that the op-amp can effectively reject common-mode signals, enhancing its performance in differential applications.

Package and Pin Configuration:

• Package Type: The LM158DT is available in a standard dual in-line package (DIP) or surface-mount package (SOIC), making it suitable for various PCB designs.
• Pin Count: The device typically has 8 pins, with each pin designated for specific functions such as input, output, and power supply connections.
• Pin Configuration: The pin configuration includes two non-inverting inputs, two inverting inputs, two outputs, and power supply pins, allowing for straightforward integration into circuits.

Applications:

The LM158DT is widely used in various applications, including:

• Audio signal processing
• Active filters
• Voltage followers
• Integrators and differentiators
• Comparators
• Signal conditioning in sensor applications

Conclusion:

The LM158DT from STMicroelectronics is a versatile and reliable dual operational amplifier that offers excellent performance characteristics for a wide range of electronic applications. Its combination of low noise, high input impedance, and flexibility in supply voltage makes it a popular choice among engineers and designers in the field of analog electronics.