ADAU1590ACPZ-RL

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ADAU1590ACPZ-RL Application Field and Working Principle

The ADAU1590ACPZ-RL is a high-performance, analog-to-digital converter (ADC) audio solution provided by Analog Devices Inc. It provides precision, low-noise microphone preamps, analog-to-digital converters with up to 192 kHz, and a wide range of audio processing features. The device\'s unique features and design make it ideal for use in audio applications including professional music, public address systems, and markets such as automotive, communication and mobile.

Description and Features

The ADAU1590ACPZ-RL is a high-performance, low-noise, high-speed analog-to-digital converter (ADC) audio solution. It features a 32bit, 192 kHz Delta-Sigma ADC and a wide range of audio processing features. The unit is capable of up to 24 dB of gain and up to 12 dB of attenuation on the internal microphone preamps for optimal level control. It also provides adjustable low-pass filtering, high-pass filtering, and equalization control for increased audio performance. The unit can be configured for either single ended plus (SE+) or differential microphone inputs. It is also capable of operational levels of up to +27 dBu from the internal microphone preamp section.

Applications

The ADAU1590ACPZ-RL is an ideal solution for select audio applications including public address systems, professional music recording, and markets such as automotive and communication. For professional music recording applications, the device provides up to 24 dB of gain and up to 12 dB of attenuation on the internal microphone preamps for optimized signal levels. For public address systems, the device has the ability to provide adjustable low-pass filtering, high-pass filtering, and equalization control for increased audio performance. For automotive and communication applications, the device can be configured for either single ended plus (SE+) or differential microphone inputs to provide enhanced acoustic feedback.

Working Principle

The ADAU1590ACPZ-RL works using delta-sigma conversion, where an analog signal is converted to a digital signal by using a converter followed by a digital filter. The ADC converter consist of an analog multiplexer, a differential amplifer, and a decimator that reduce the signal data rate to a suitable rate for digital processing. The output of the ADC converter is then fed into a digital filter that cleans up the signal. The output of the filter is then fed into a buffer that stores the data for further processing. Finally, the output of the buffer is fed into a digital-to-analog converter (DAC) for analog playback.

Conclusion

The ADAU1590ACPZ-RL provides an ideal solution for various audio applications with its high-performance, low-noise, high-speed, Delta-Sigma ADC and wide range of audio processing features. It is capable of up to 24 dB of gain and up to 12 dB of attenuation on the internal microphone preamps for optimized level control. It also provides adjustable low-pass filtering, high-pass filtering, and equalization controls for increased audio performance. Additionally, it can be configured with either single ended plus (SE+) or differential microphone inputs. With its robust features and design, the ADAU1590ACPZ-RL provides an ideal solution for various audio applications.

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