因为要用到ti一款AD芯片,需要+/-2.5v供电,懂的能否给介绍几个供参考。谢谢
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Hi
你用的是哪一款ADC,电流不大可以用LMR70503之类的DC/DC转换器: http://www.ti.com.cn/cn/lit/ds/symlink/lmr70503.pdf
或者用一些chargepump也都是可以的。