LM358EDR2G

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The LM358EDR2G is an operational amplifier integrated circuit (IC) produced by National Semiconductor that features two independent, high-gain, internally frequency-compensated op-amps. It is designed to operate from a single power supply over a wide range of voltages, eliminating the need for dual power supplies. It is specifically engineered for ease of use and superior performance when compared to other op-amps. The LM358EDR2G can be found in a variety of applications including audio amplification, active filters, voltage detection, precision peak and average detectors, signal change detection, and power supplies.

LM358EDR2G Application Field

The most common application field for LM358EDR2G is in audio amplifiers. The dual op-amps can be used together to amplify either an analog or digital audio signal or both. They can be configured for stereo output, with one amplifier using a single audio signal as an input and the other amplifier using a different signal as an input. The amplifiers also work well with other digital circuits, particularly in active filter applications. They are also ideal for use in voltage detection and signal comparison circuits, where they can detect voltage drops, peak signals, and other types of analog and digital signals.

LM358EDR2G Working Principle

The working principle of the LM358EDR2G is based on its operational amplifiers. An operational amplifier is an analog circuit composed of two input terminals, an output terminal and several feedback terminals. A voltage is applied to one of the input terminals and the output of the amplifier is determined by the ratio of the resistors connected from the feedback terminals to the input terminals. When the input voltage is measured at one terminal and the output voltage is measured at the other terminal, this process known as negative feedback loop establishes a specific gain. The LM358EDR2G is configured to have a gain of 20 in the negative feedback loop.

The LM358EDR2G has two independent amplifiers, both of which use the same basic configuration. The input signal is applied to one of the input terminals and the output signal is taken from the other input terminal. The analog signal is then amplified by the same gain that is determined by the resistors connected in the negative feedback loop. The final output signal is then buffered by an output stage that is designed to provide a low output impedance and reduce signal noise.

The LM358EDR2G is commonly used in audio amplifiers due to its ability to amplify audio signals with excellent precision and accuracy. The dual op-amps can be used to amplify both analog and digital audio signals and can be configured to provide stereo output. It can also be used in active filter applications, voltage detection circuits, and precision peak and average detectors.

In conclusion, the LM358EDR2G is a dual operational amplifier integrated circuit that is ideal for use in audio amplifiers, active filter applications, voltage detection, precision peak and average detectors, signal change detection and power supplies. Its two independent amplifiers respect a gain that is determined by the resistors connected in the negative feedback loop, which provides excellent precision and accuracy. Finally, it is an excellent choice for those looking for an operational amplifier IC with superior performance and ease of use.

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