AD9734/AD9735/AD9736 EVALUATION BOARD

The AD9734/AD9735/AD9736 evaluation board comes with software which allows the user to program the SPI port. Via the SPI port, the AD9779 can be programmed into any of its various operating modes.

The schematic, layout and readme files can be obtained from the following links

AD9736 Built-In Self Test

The AD9736 includes a Built-In Self-Test capability for use in factory testing. This capability may also be useful at the board level to check for sufficient timing margin or to locate PCB manufacturing defects.

While a spectrum analyzer may be used to test the DAC's operation, a small number of timing-induced bit errors may not be detectable. Using the BIST signature register will allow data transfer to be completely verified.

The AD9736 includes an LFSR signature generator. When data is clocked into the DAC, a unique signature is calculated which may be read back via the SPI port. The included vectors may be used to validate the entire data bus and the bit vectors can be used to isolate failing bits.

Click the link below to download the BIST vectors and self test instructions.

For complete information, please refer to the data sheets which are available from the AD9734, AD9735 or AD9736 product pages.

The AD9734/AD9735/AD9736 evaluation board has been designed to optimize performance of the DAC, as well as for ease of customer use and digital interface. To operate the board, the user must apply power, a clock source, a digital data source, and be able to observe the DAC output on either a spectrum analyzer or an oscilloscope. A sine or square wave clock will work well as a source.

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