AD9716-DPG2-EBZ

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The AD9716-DPG2-EBZ is a high-performance digital-to-analog converter (DAC) evaluation board designed to simplify the evaluation and integration of the AD9716 multi-channel, 12-bit DAC. The AD9716-DPG2-EBZ is a complete solution for digital audio design, including a D/A T/R switch, a sophisticated digital data displacement clock generator, and a driver to adjust the analog output range.

Application Field

The AD9716-DPG2-EBZ is ideal for use in audio applications such as professional audio reproduction, recording studio equipment, digital loudspeaker systems, and consumer applications such as home theater amplifiers and 5.1/7.1 surround DACs. It can also be used in radio and television broadcasting, automotive audio systems, and portable players.

With its low power consumption and high temperature stability, the AD9716-DPG2-EBZ can also be valuable in industrial audio applications, such as speech recognition systems, train and bus announcements, and industrial SCADA systems.

Working Principle

The AD9716-DPG2-EBZ operates according to a current steering technique, converting between 12- to 24-bit multiplex data formats. In this design, the input is multiplexed while the output is switched to the correct outputs Amplifier by applying current. The multiplexed data is multiplexed into selectable, 16-input data buses. The power dissipated is negligible, which simplifies layout and cooling.

The evaluation board features variable gain amplifiers with -6 to +6 dB adjustment. This adjustable gain allows the input signal level to be selected. A user-configurable low-pass filter is also included to reduce the out-of-band noise.

The AD9716-DPG2-EBZ also includes a built-in digital data displacement clock generator. By default, the evaluation board operates at a sampling frequency of 44.1 kHz, but other frequencies can be selected to match the input multiplex format.

Additionally, the AD9716-DPG2-EBZ includes a multi-channel digital differential output stages with adjustable gain. This allows the output of the DAC to be adjusted to match the desired signal connection. For digital audio applications requiring high accuracy, the differential connection is recommended.

In addition, the evaluation board provides an on-board SPI communication interface, allowing the evaluation board to be connected to an MCU control system. This helps to simplify the user experience, as all of the functions and parameters can be easily accessed directly.

Overall, the AD9716-DPG2-EBZ is an ideal solution for high-quality, low-noise digital audio conversion. Its highly integrated design ensures low power consumption and reliable operation over temperature. Additionally, the design supports various multiplex data formats, digital audio connections, and MCU-control communication ports.

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