LM4990MMX/NOPB

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The LM4990MMX/NOPB is a versatile and powerful audio amplifier from Texas Instruments. It is a low-cost, low-power, single-supply amplifier that can be used to drive speakers and other audio applications. The LM4990 has a wide range of applications, including audio for gaming consoles, portable media players, home theater systems, and portable audio systems. The device has an input voltage range from 3.5V to 28V and can deliver up to 1 watt of output power. It is a monolithic dual-bridge amplifier that provides a low noise output, good fidelity, and excellent thermal performance.

The LM4990MMX/NOPB application field includes audio systems, as well as various digital signal processing (DSP) applications. It can be used in a wide variety of audio applications, including car audio systems, professional sound systems, and home theater systems. It is suitable for use in devices such as MP3 players, portable audio players, digital media players, gaming consoles, and digital audio tools. It can also be used as a pre-amplifier for headphones.

The LM4990MMX/NOPB working principle is to use N-channel MOSFETs configured in a differential amplifier stage for low voltage, high speed operation. The LM4990 operates as a low power amplifier and produces low harmonic distortion. The N-channel MOSFETs are connected to the ground and input and output stages. The gain is adjustable from 0dB to -80dB. The LM4990 has low noise, high-efficiency, and a wide dynamic range.

The LM4990MMX/NOPB offers a range of features, including multiple bridge and optional circuitry, adjustable gains, an adjustable low-pass filter and adjustable high-pass filters, thermal sensor, and an open loop voltage gain of up to x20. The LM4990 also has low noise, low distortion, and low power consumption. It is also RoHS compliant and UL approved. It has an integrated thermal shut-down stages and open-loop voltage gain of up to x20.

The LM4990MMX/NOPB is a reliable and versatile amplifier that can be used to meet the needs of a wide range of audio applications. Its low power consumption, low noise, and wide dynamic range make it an ideal choice for a variety of audio applications. Its adjustable gains, adjustable low-pass and high-pass filters, and integrated thermal shut-down stages also give it great versatility and make it an excellent choice for a wide range of audio applications.

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