LM48100QMH/NOPB Integrated Circuits (ICs)

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Linear - Amplifiers - Audio

The LM48100QMH/NOPB is a monolithic integrated Single-Supply Audio Power Amplifier from Texas Instruments. This device was designed to offer a single amplifying unit which could be integrated in several audio devices. It has several applications in the audio field such as in portable media players and other audio components, like amplifiers.

The device has the characteristics of a high output audio power amplifier, achieving 5.2Vpp output voltage swing with quiescent current at 40mA. It has a supply voltage range of 2.6V-5.3V and can be driven by a single power supply. Other features include temperature protection, output short circuit protection and operating coupler protection, which makes it stand out among other audio power amplifiers.

This device has a working principle based on the current feedback technology. The benefit of this configuration is that the outputs remain stable despite the impedance variations in the load. This feature is important to ensure a consistent output of the audio signal. The power amplifier portion of the device includes three gain stages with Class AB output stages. The output stages should be biased correctly to ensure proper operation.

In conclusion, the LM48100QMH/NOPB is a high-performance high-power audio amplifier that is ideal for use in portable media players and other audio components. It has the advantage of current feedback technology and provides excellent protection against various operating conditions. It is designed to offer high performance and reliability in a small package, making it a great choice for audio applications.

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