Hi all,
I have been working on ADC and DAC, and I have buffer stage before the ADC and after the DAC, and also have micro controller. So, I have power-up the micro controller with the +3.3V, ADC and DAC with +5V and buffer stage with the +12V and -12V. So, my question is that, Shall I provide/connect the same ground to all power levels?. (or) Do I need to separate the grounds?, if so, what are the grounds to be separated?.
I have been working on ADC and DAC, and I have buffer stage before the ADC and after the DAC, and also have micro controller. So, I have power-up the micro controller with the +3.3V, ADC and DAC with +5V and buffer stage with the +12V and -12V. So, my question is that, Shall I provide/connect the same ground to all power levels?. (or) Do I need to separate the grounds?, if so, what are the grounds to be separated?.
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