使用DAC7568芯片作为C8051F系列单片机的DAC扩展芯片,参考连接图如下,想知道TXD和SCLK之间的元器件是反向放大器吗?要求什么型号,具体连接图是什么样子的呢?
另外,当参考电压是外接+5V时,VOUT的输出范围是0~5V吗?在VOUT端口接放大器OPA703(如下图)的目的是为了实现双极输出,若只需要输出0~5V电压,是不是就可以将VOUT直接接外部负载了?
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.