MAX98355BEWL+T Integrated Circuits (ICs)

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The MAX98355BEWL+T is a high-efficiency, low-power, stereo audio power amplifier designed to simplify applications with small analog boards. This device is for use in a circuit requiring a linear amplifier for low-noise audio signal processing. It features a low-noise, high gain amplifier with built-in protection from over-current, over-voltage, and over-temperature. The amplifier utilizes a differential feedback (DFB) topology for excellent signal-to-noise ratio and wideband audio response. The MAX98355BEWL+T is compatible with electrically small audio speaker designs and provides a low-noise, high-efficiency solution for mobile audio power applications.

The amplifier consists of two Mono amplifiers with a typical output power rating of 2.1W (1.2W per channel at an 8Ωload 10%THD). The integrated protection circuit prevents the device from being damaged due to external over-voltage or over-temperature conditions. The integrated charge pump allows the amplifier to work with a single supply voltage of 3.0V to 5.5V. The amplifier can also be powered by dual supplies of ±2.25V to ±5.5V.

The MAX98355BEWL+T utilizes a voltage-feedback (VFB) architecture and ensures accurate high-frequency accuracy and audio performance. The high-performance, low-impedance, NFET input stage provides low-noise and a high gain for low-level inputs. Additionally, the device features a high slew rate and allows for over 1MHz of operating frequency range. The integrated protection circuit, such as over-voltage protection (OVP) and over-current protection (OCP), provides safety safety against typical supply or output voltage fluctuations.

The MAX98355BEWL+T provides a wide temperature range operation in both temperature and OCP mode. The amplifier has been specifically designed to reduce toharmonic distortion, thermal noise, and other unwanted noise. Additionally, the device features thermal shutdown and OCP for additional safety features. The output power per channel can be set up to 4W at 4Ω, 3W at 8Ω, or 2.1W at a 10%THD at 8Ω.

The MAX98355BEWL+T is ideally suited for providing low-noise and high-efficiency audio amplification for low-drain and portable applications. This device is particularly well-suited for handheld radios, wireless manufacturing, audio cards, and audio system designs. The device also provides a high-performance solution for in-vehicle audio and entertainment systems.

In summary, the MAX98355BEWL+T is a high-efficiency, low-power linear amplifier designed to simplify audio applications with small analog boards. The device provides a low-noise, high gain amplifier with integrated protection from over-current, over-voltage, and over-temperature. It also offers a wide temperature range operation, low-impedance NFET input stage, and over 1MHz of operating frequency range for excellent audio performance. The MAX98355BEWL+T is an ideal solution for low-drain, portable audio applications and in-vehicle audio and entertainment systems.

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