LM4900M/NOPB

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The LM4900M/NOPB is a stereo audio amplifier designed for use in mobile phones, tablet PCs, and portable media players. It is a low-noise, cost-effective, high-performance amplifier designed for excellent sound quality. The LM4900M/NOPB has a wide range of applications in the audio market, from multimedia, entertainment, and telephone systems to mobile application, personal audio, and digital musical instruments.

The LM4900M/NOPB utilizes a bridged-tied-load topology to achieve high efficiency and low distortion, which results in excellent sound quality. This topology requires only a single supply voltage, allowing it to be used in battery-operated applications. The LM4900M/NOPB is a fully integrated audio amplifier that includes a Class-AB amplifier, a low-noise headphone amplifier, and an electronically balanced line driver. The amplifier is compact and requires minimal external components, making it an ideal choice for space-constrained applications.

The LM4900M/NOPB features advanced processes and technologies that enable optimal performance. Its ultra low-noise power supplies help ensure that noise levels are kept to a minimum, while its short-circuit protection keeps the output stable in the event of a short circuit. The amplified output is further protected from DC offset and subsonic signals, and the amplifier responds quickly to input signal changes, providing smooth and dynamic audio reproduction.

The LM4900M/NOPB is designed to provide optimal power and performance to any audio application. It has a maximum power output of 500mW into 16 ohms at 5V, and a wide gain range of 6 dB to 18 dB. The frequency response of the LM4900M/NOPB is 20Hz–20kHz, with a total harmonic distortion of 0.02%. The mono-stereo conversion response is typically less than 1% over the full audio frequency range.

The LM4900M/NOPB is a versatile solution for any audio application. It has a low quiescent current of 10 mA in stereo mode, and a low power dissipation of 1.3W. It also features an adjustable gain knob that can be used to quickly adjust the volume level. The low-zero-off design of the LM4900M/NOPB ensures accurate and fast zero-setting, making it an excellent choice for any audio application.

The LM4900M/NOPB audio amplifier provides a highly efficient solution for any application. Its high-performance design ensures excellent sound quality and its low power consumption makes it ideal for battery-powered devices. Its wide range of features, including its low quiescent current, low power dissipation, and adjustable gain, make the LM4900M/NOPB a great choice for any audio application.

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