LM2904DT

The LM2904DT 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 LM2904DT 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 Input Offset Voltage: The device features a low input offset voltage, typically around 2 mV, which enhances accuracy in precision applications.
• Wide Supply Voltage Range: It operates over a wide supply voltage range, typically from 3V to 32V for single supply and ±1.5V to ±16V for dual supply configurations, making it versatile for different circuit designs.
• High Gain Bandwidth Product: The LM2904DT has a gain bandwidth product of approximately 1 MHz, allowing it to handle a variety of signal frequencies effectively.
• Low Noise: The op-amp is designed to minimize noise, making it suitable for audio and other sensitive applications.

Electrical Characteristics:

• Input Impedance: The input impedance is very high, typically around 10^6 ohms, which minimizes the loading effect on the preceding stage.
• Output Drive Capability: The output can drive loads of up to 50 mA, making it capable of interfacing with various components without significant signal degradation.
• Slew Rate: The typical slew rate is around 0.5 V/µs, which defines how quickly the output can respond to rapid changes in the input signal.

Package Information:

• Package Type: The LM2904DT is available in a surface-mount package (SO-8), which is compact and suitable for modern PCB designs.
• Thermal Characteristics: The package is designed to dissipate heat effectively, with a thermal resistance that allows for reliable operation under various conditions.

Applications:

The LM2904DT is widely used in applications such as:

• Audio signal processing
• Active filters
• Voltage followers
• Integrators and differentiators
• Comparators
• Signal conditioning circuits

Conclusion:

The LM2904DT from STMicroelectronics is a versatile and reliable dual operational amplifier that offers a combination of low noise, high input impedance, and a wide supply voltage range. Its features make it suitable for a variety of applications in both consumer and industrial electronics, providing designers with a robust solution for signal amplification and processing tasks.