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DAC3283的转换问题

Other Parts Discussed in Thread: DAC3283

问一个基础但是没搞懂的问题,看了数据手册,一头雾水

对于输入的16bit的I和Q数据信号,一直令Q为0

在时钟驱动下,将I由全0一个个加到全1,但是并没有输出一个锯齿波波形。

所以我想问,DAC3283的转换函数到底是怎样的?是不是用16bit的数据来量化参考电流?

希望能点拨一下

我用的板子是FMC150