EVAL-AD7763EDZ

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Analog to Digital Converters (ADCs) are an important type of integrated circuit used to convert physical phenomena such as sound or temperature into digital form for use in software and hardware applications. The EVAL-AD7763EDZ is an evaluation board from Analog Devices developed to evaluate the performance characteristics of the AD7763, a 16-Bit Delta-Sigma ADC with an integrated programmable gain amplifier, low-pass filter, and reference. This evaluation board offers a convenient way for engineers to experiment with and test out the AD7763 before implementing it into their application.

The board includes a variety of features that make it easier to use and evaluate. It includes an onboard USB to UART bridge used for sending data to and from the PC, as well as a 3-cell battery connection. This feature makes it easy to power the board without having to use an external power supply. Additionally, the board features two on-board push buttons used to perform certain functions and an LED indicator used to indicate the various states of the board. The board is also fitted with an isolated low-pass filter to help protect against noise from the analog input signal.

The AD7763 is a 16-bit delta-sigma ADC that can convert analog signals up to 500 kHz. It has an integrated programmable gain amplifier and reference that enables it to work with signals up to ±7.7V. The built-in low-pass filter also helps to reduce noise and provides better accuracy. The board also contains a temperature sensor which can be used to monitor temperature changes and the battery status.

The applications for the EVAL-AD7763EDZ are vast. It is particularly useful for audio applications such as portable audio recorders, audio amplifiers, and speaker systems. It can also be used for automotive applications such as automotive sensors, radio, signal processing, and powertrain control. Additionally, it can be used in medical applications such as medical instruments, electrocardiography, and pulse oximetry.

The operation of the EVAL-AD7763EDZ is fairly simple. First, the power supply and analog input signal are connected to the board. Then, the AN_CS and AN_CLK lines are connected to an SPI master device. The ADC can then be configured using the on-board push buttons or via the USB to UART bridge. Finally, the sampled data is sent to the host processor via the AN_MISO line.

In conclusion, the EVAL-AD7763EDZ evaluation board from Analog Devices is a convenient and affordable way to evaluate the AD7763, a 16-bit delta-sigma ADC with an integrated programmable gain amplifier, low-pass filter, and reference. The AD7763 is highly suitable for a variety of applications such as audio, automotive, and medical applications. The board is easy to use and its operation is straightforward. Using this board, engineers can evaluate the performance of the AD7763 before implementing it into their application.

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