TPA6138A2PW

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The TPA6138A2PW is a stereo audio amplifier from Texas Instruments that provides 30W of power per channel (into a 4Ω load) with a total harmonic distortion of 1.5%, along with thermal and short-circuit protection. This makes it ideal for applications that require a high-power, high-fidelity audio amplifier, such as car stereos, professional audio systems, portable audio players, and multimedia speakers.

The TPA6138A2PW is a class D amplifier, which means that it uses pulse width modulation (PWM) to encode the audio signal into a high-frequency digital pulse train, resulting in higher efficiency than class AB amplifiers of the same power rating. This also allows it to produce a linear power output over a wide input voltage range, from 32V to 18V.

The TPA6138A2PW has a few features that make it well suited for audio applications. First, it has a low total harmonic distortion (THD) of 1.5% at 1W, which ensures that the amplifier produces extremely clean sound at all levels. Second, it has an integrated short-circuit protection circuit, which helps guard against damaging short-circuit currents. Finally, it has an integrated thermal protection circuit, which monitors the temperature of the amplifier and shuts it off if it becomes too hot.

The TPA6138A2PW is a stereo amplifier, meaning that it can produce two independent channels of audio. This can be useful for creating a stereo sound by routing two separate audio signals to the two different channels. The amplifier also has two sets of input pins, one for the left channel and one for the right channel. Each input channel is optimized for a 400Hz to 20kHz frequency range, allowing for faithful reproduction of the source material.

The TPA6138A2PW is a versatile amplifier that can be used for a variety of audio applications, from car audio to home theater systems. By using its class D topology and integrated protection features, the TPA6138A2PW provides an efficient, low THD solution for any audio project. With its 30W per channel output and wide input voltage range, it can easily meet the needs of even the most demanding audio applications.

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