ADM00707

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The ADM00707 evaluation board provides a low-cost platform to evaluate the performance of Analog to Digital Converters (ADCs). It features an integrated 8-bit ADC operating at a sampling frequency of 250MHz providing up to 16 effective bits of resolution. This evaluation board offers precise, high-speed sampling of analog signals for digital signal processing, video, and audio applications. The ADM00707 ADC is fabricated using a 0.18um mixed-signal process with a low-power double-poly-gated-oxide design. It features an on-board clock generator for generating sampling clocks and to enable synchronization across multiple boards.

The evaluation board layout highlights the advantages of the ADM00707 ADC in terms of performance, power-consumption and usability. With the help of the adjustable onboard clock, the board allows users to operate the on-board ADC at various sampling frequencies. The board is also equipped with analog and digital test points for troubleshooting and debugging. The output from the ADM00707 ADC is provided via an external connector for users to connect to external ADC evaluation boards.

The ADM00707 evaluation board offers excellent signal to noise ratio (SNR) and total harmonic distortion (THD) performance, along with very low power consumption. The SNR and THD figures are typically better than 95dB and 0.1%, respectively. It is also equipped with an onboard amplifier, low-pass filter, and digital-analog converter (DAC) for signal filtering. The noise characteristics of the board are excellent, with a low-pass filter roll-off frequency of 5MHz.

The ADM00707 evaluation board uses a simple two layer PCB design, which helps to reduce costs and simplify the evaluation process. The board provides an efficient and accurate signal routing solution for users to easily connect to external devices. It also allows users to control the board’s functionality via a USB connection using the board’s embedded software.

In terms of analog performance, the board offers excellent AD conversion accuracy. The board supports a differential nonlinearity error of 0.5 LSB and an integral nonlinearity error of 1.5 LSB. The sampling speed of the board is fast enough to allow for precise and rapid acquisition of a wide range of signals. The ADM00707 evaluation board is also compatible with a variety of analog and digital peripherals, such as oscilloscopes and data acquisition cards.

The ADM00707 ADC\'s working principle is based on the sigma-delta converter architecture, which is commonly used in high-speed ADCs and sine-wave synthesisers. This scheme utilizes oversampling and noise shaping techniques to obtain accurate digital values from analog signals. Using these techniques, the ADM00707 ADC produces a digital output whose quantization resolution is superior to the results obtained with traditional single-conversion ADCs.

In summary, the ADM00707 evaluation board provides an excellent platform for analog-to-digital conversion applications due to its low-cost, compact size, and excellent SNR and THD performance. Its onboard clock enables sampling frequencies up to 250MHz and its USB connection makes board configuration and control easy. The board is also compatible with a wide range of analog and digital peripherals, allowing easy integration into larger systems.

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