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XC4028XL-3HQ208I

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File Size : 116 KB Manufacturer:XILINX Description:The analog input section of this evaluation board accommodates unipolar and bipolar signals. Unipolar signals within the AD7472 analog input signal range of 0 V - 2.5 V are connected via SK5. They are then buffered by the on-board buffer before being applied to the VIN pin of the AD7472. Bipolar signals are connected via SK3 and are biased up by the on-board bias- up buffer circuit before being applied to the VIN pin of the AD7472. The input impedence of the bias-up circuit is 50W which is determined by the value of R7. The input impedence may be modified by removing/changing the value of R7. To obtain optimum performance from this evaluation board the use of an impedence matched, passive filter is recommended before the analog signal is applied to the evaluation board. For example, when using a 100KHz input tone, a 100KHz 50W filter from TTE (part number KC5-100K-15K-50/50-720B) is suitable.

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型号：XC4028XL-3HQ208I 厂家：XILINX 封装：480 批号：05+ 数量：QFP 说明：


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