用于高速运放 opa657的供电,想法是先用DCDC把+5.5V转换成-5.5V,,再用负压的LDO进行降压到-5V,然后给opa657供电。由于对整个系统噪声要求较高,有没有什么合适的DCDC芯片推荐?
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.