AD9284-250EBZ

Series:	--
Part Status:	Active
Number of A/D Converters:	2
Number of Bits:	8
Sampling Rate (Per Second):	250M
Data Interface:	SPI
Input Range:	1.2 Vpp
Power (Typ) @ Conditions:	--
Utilized IC / Part:	AD9284
Supplied Contents:	Board(s)
Base Part Number:	AD9284

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Evaluation Boards - Analog to Digital Converters (ADCs)

The AD9284-250EBZ is an integrated analog-to-digital converter (ADC) evaluation board for evaluating the performance of the AD9284-250EBZ high speed, low power, 8-bit monolithic ADC. It is designed to provide a low cost solution for product developers to quickly evaluate the AD9284-250EBZ ADC with ease. The purpose of this application field and working principle paper is to explain the how the board functions, its specifications, and how it is used to measure and interface with analog signals.The AD9284-250EBZ evaluation board is a single-channel board with an input voltage range of 0V to 5V, a sampling rate of 250MSPS, an effective number of bits (ENOB) of 8.0, a signal-to-noise ratio (SNR) of 67dB, and an aberration error of 1LSB (relative). It supports an external reference voltage of 1.2V. The input channel is through two differential inputs, J1 and J2, between which a differential voltage can be applied. To ensure good matching performance of the differential inputs and minimize crosstalk, two shorted SMA connectors are provided. Both single-ended and differential signals can be connected between the two SMA connectors.The board is powered from the 3V3 supply, with an onboard regulator that provides the necessary power for all of the components on the board. The power supply can be monitored and switched off by connecting the power enable pin to the 3V3 supply. Additionally, EN, frame, and PD signals on the board are connected to the control board, allowing the user to configure the ADC for their desired application. The board also features two separate clock inputs and two output channels. The clock inputs can be configured to operate in either single-sided or differential mode. The two output channels, J4 and J5, provide the digital output of the ADC in either a serial format or a parallel format. The output can be connected to a variety of devices such as an FPGA or a digital signal processor.In addition, the board includes a number of features and components to facilitate the user in the hardware evaluation of the ADC. For example, it contains an ADC test pattern generator to generate a test signal to simulate the behavior of an analog input signal. It also contains a logic analyzer which can be used to analyze the ADC’s behavior. The board also includes a calibration function to optimize the accuracy and performance of the ADC.The AD9284-250EBZ evaluation board is a versatile, low cost solution for developers to evaluate the performance of the AD9284-250EBZ ADC. It is easy to use and can be quickly configured to accept both single-ended and differential input signals. It has a wide range of features and components to facilitate hardware evaluation and calibration. As such, it provides an excellent tool for product developers to quickly evaluate the performance of the ADC and integrate it into their designs.

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