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目前使用OPA569运放，但是最大供电电压有些低，试验很难防护
最好能有一款供电压10V以上，轨到轨，能输出150mA以上的运放
谢谢
亲；建议看看OPA564
如果对成本有要求的话，可以用个通用运放，在加个MOSFET做扩流。
