OPA2348的供电问题:OPA2348的规格书中描述这款芯片的供电是单电源供电,在网页的产品详情中的参数描述中是\Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)5.5Total supply voltage (+5 V = 5, ±5 V = 10) (min) ,我现在有个设计,用的是这款芯片,供电是+3.3V,和-3V,产品工作也很正常,我想咨询一下这款运放是否支持正负3V供电?
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您好,
芯片产品网页上的信息有误,很抱歉给您带来困扰。
请以芯片数据手册上的电源要求(6.3 Recommended Operating Conditions )使用芯片, 正负3V供电长时间应用不支持。
OPAx348 1-MHz, 45-μA, CMOS, Rail-to-Rail Operational Amplifiers datasheet (Rev. H)