CS47024B-DQZ

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The CS47024B-DQZ from Cirrus Logic is a multi-channel, digital amplifier providing up to 44 watts per channel at 4 ohms in a 1.0 by 1.0 inch package. It is an ideal choice for embedded systems that require higher power but low EMI. This device is suitable for driving the loudspeaker in automotive, home entertainment, and multimedia audio systems, as well as powering the small, limited-power speakers in digital radios, hands-free car kits, and portable multimedia devices, such as MP3 players or smartphones. This digital amplifier can be used in both analog and digital applications, providing a high-quality sound reproduction that not only fits into tight space constraints, but also significantly reduces audible distortion.

The CS47024B-DQZ digital amplifier is part of the Embedded - DSP (Digital Signal Processors) family of digital amplifier products which provide a higher level of audio performance, power efficiency, and PCB area savings. The CS47024B-DQZ is a single chip, digitally-controlled two-channel amplifier. It includes a built-in limiter, which enables the output power to be adjusted to the specified level, preventing distortion and clipped signals. The device utilizes a D/A converter and a converter to convert an analog audio input signal into a digital data stream which is then amplified by the internal amplifier set. By leveraging advanced DSP techniques, the amplifier can process a wide range of frequencies and provide up to 44W at 4 ohms of output power with a low EMI signature.

The power efficiency of the CS47024B-DQZ is another benefit that it provides in comparison to traditional analog amplifiers. With the modern waveform analysis techniques and the advanced signal processing capabilities offered by CS47024B-DQZ, the power efficiency of this amplifier can reach up to 80%. This efficiency is beneficial in some applications, as it helps to reduce the amount of electrical power consumed. As a result, it can help to save on operational costs in battery-operated applications.

The CS47024B-DQZ provides an improved output quality of audio, with minimized distortion and higher signal-to-noise ratio (SNR). The device includes a pre-scaler, which linearly scales down the input signal before it is amplified. This ensures that the amplifier does not clip the signal, as well as preserving the dynamic range of the signal. This makes the device ideal for a range of multichannel applications, such as automotive audio and multimedia audio systems.

The CS47024B-DQZ can be used in a range of environments, with self-clocking, self-biasing and temperature-compensation features for improved reliability and temperature-compensated operation. These features make the device ideal for automotive audio applications, where the device can be used in conjunction with a voltage-mode controller or a low-EMC amplifier in order to reduce EMC. The wide temperature range of the device, along with its self-biasing features, means that the CS47024B-DQZ can be used in a wide range of conditions, with minimized interference.

To ensure that the output signal remains noise-free and avoid audible distortion, the CS47024B-DQZ offers advanced protection features such as over-current, over-temperature, and short-circuit protection. This makes it an ideal choice for automotive audio systems, where the output power can be set to the highest level without fear of damaging the speakers. The device also includes protection against over-voltage and over-current, making it highly reliable in harsh environments.

Overall, the CS47024B-DQZ offers a comprehensive solution for embedded systems looking to provide high-powered and high-quality audio performance with minimal power consumption and EMI. The device’s advanced signal processing capabilities, power efficiency, and protection features make it attractive to many embedded applications. Furthermore, its self-biasing, adaptive noise-cancellation, and temperature-compensation features make it an ideal choice for automotive audio applications.

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