EVAL-ADAU1979Z

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The EVAL-ADAU1979Z is an Evaluation and Demonstration Board and Kit developed by Analog Devices Inc. It is a versatile board for design and development in audio applications. This article will provide an overview of the application field and working principle of the EVAL-ADAU1979Z.

The EVAL-ADAU1979Z is designed to be used in audio applications and low-power systems. The board is suitable for use in multiple audio applications, including automotive infotainment systems, home audio, and digital signage applications. It also supports a wide range of audio functions, including full digital signal processing (DSP) and digital-to-analog (DAC) conversion.

The EVAL-ADAU1979Z features an onboard SigmaDSP audio signal processor, a 32-bit processor with extensive peripherals, a Continuous Direct Display (CDD) port for streaming audio, a digital audio interface, and an A/D connector for external peripherals. It is powered by a 12 V DC adapter and is designed to operate with a temperature range of −40°C to 85°C, making it suitable for automotive, industrial, and consumer applications. With the onboard graphical user interface (GUI) and audio algorithms, designers can quickly evaluate and prototype their designs.

The EVAL-ADAU1979Z is based on the SigmaStudio software platform. It provides users with a comprehensive set of audio functions to design, create, and evaluate audio algorithms. SigmaStudio provides a comprehensive library of audio functions, such as equalizer, dynamic range control, and delay. Developers can quickly create audio algorithms by combining these audio functions into a single block diagram. They can then optimize their designs by fine-tuning parameters.

The SigmaDSP processor also supports a range of adaptable audio codecs, which can be used for streaming audio. It is equipped with I2S, SPDIF, and AES57 interfaces, allowing developers to quickly prototype a streaming audio solution. It also supports a range of other analog and digital audio functions, such as tone control, speaker protection, and voice control. Moreover, the onboard RAM and flash memories provide ample storage for user-defined audio algorithms.

The EVAL-ADAU1979Z also features an ADM (Advanced Digital Microphone) interface, allowing designers to quickly prototype designs with microphones. The ADM interface supports a range of microphone technologies, including bottom-contact, top-contact, and capacitive. Furthermore, it supports Dynamic Purifier Technology (DPT), which reduces the noise present in an audio signal. This reduces the amount of background noise, providing a clear signal for use in audio applications.

The EVAL-ADAU1979Z also features a CDD (Continuous Direct Display) port, which allows design engineers to troubleshoot and evaluate an audio algorithm on a live device. Designers can debug the audio algorithm by observing how its performance is affected by changes in the parameters. This is especially useful for troubleshooting problems with complex algorithms, as it allows designers to quickly identify and fix errors.

In summary, the EVAL-ADAU1979Z is an Evaluation and Demonstration Board and Kit developed by Analog Devices Inc. It is designed for use in audio applications and low-power systems. It features an onboard SigmaDSP audio signal processor, digital audio interfaces, A/D connector for external peripherals, and an advanced digital microphone interface. It is equipped with I2S, SPDIF, and AES57 interfaces for streaming audio, and it supports Dynamic Purifier Technology for reducing background noise. Furthermore, the onboard CDD port allows engineers to troubleshoot and evaluate audio algorithms on a live device. The EVAL-ADAU1979Z is an ideal development platform for audio applications.

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