本地电池由DCDC产生3.3V电源,给PCB上的MCU和DAC161S997供电。mcu的SPI端口直接和DAC161S997相连。下图的电路是否正确?能否达到我的预期?请尊敬的管理员能够回答下我的问题。很急!!!
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本地电池由DCDC产生3.3V电源,给PCB上的MCU和DAC161S997供电。mcu的SPI端口直接和DAC161S997相连。下图的电路是否正确?能否达到我的预期?请尊敬的管理员能够回答下我的问题。很急!!!
您好,
在 DAC161S997系统中如果有本地电源供电的话,需要加隔离芯片,具体见您的另一个帖子回复:
https://e2echina.ti.com/support/data-converters/f/data-converters-forum/583102/dac161s997