EVAL-AD7779FMCZ

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Analog-to-digital converters (ADCs) are essential components in electronic systems. They are used to convert an analog signal into its digital representation. The EVAL-AD7779FMCZ is an evaluation board, based on a 16-bit SAR ADC, that has been designed to evaluate the ADI AD7779/AD7779F. This application field and working principle of this evaluation board will be described in detail in this article.

The AD7779/AD7779F are 16-bit, 9 MSPS, low power SAR ADCs. The evaluation board contains all the components necessary to perform a complete system test, including the AD7779/AD7779F, an on-board passive filter and reference, and an upgradable microcontroller. The board was designed to facilitate easy to use debug and test features, while providing full flexibility.

The EVAL-AD7779FMCZ evaluation board can be used for self-calibration purposes. The on-board components simplify the setup and minimize any external circuitry. The board comes pre-programmed with communications software and options to operate as a stand-alone board or evaluate the AD7779/AD7779F in a real system.

In terms of performance, the EVAL-AD7779FMCZ evaluation board can achieve a signal-to-noise ratio (SNR) of approximately 120 dB, a signal-to-noise-and-distortion ratio (SNDNR) of approximately 120 dB, and an effective number of bits (ENOB) of 14 bits. It can also support a voltage reference input from 0.2 V to 4.096 V and supports a single-ended or differential input modes.

The application field of this evaluation board extends from automotive to industrial, consumer and medical. Its flexible design makes it suitable for use in a variety of systems that require high accuracy and precision, such as data acquisition systems, image processing systems, smart meters, digital telecoms, and medical imaging systems.

In terms of working principle, the evaluation board connects to the user’s system, with the option of using either a USB interface or an I2C interface. The signals are then routed to the ADC and are converted from analog to digital. The output is then sent back to the system for further processing.

The EVAL-AD7779FMCZ evaluation board provides a wide variety of features that make it suitable for a number of applications. It includes on-board EEPROM, which allows the user to store calibration data and options to run as a stand-alone board or perform multiple system tests with external circuitry. Furthermore, the ability to achieve high SNR and SNDNR levels make it suitable for high resolution applications.

In conclusion, the EVAL-AD7779FMCZ evaluation board is a highly versatile and useful tool for evaluating the performance of the ADI AD7779/AD7779F. It offers a wide application field and can achieve high accuracy and precision levels. Its flexibility and features make it an ideal choice for a variety of applications.

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