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你好，我在使用TLC3574这款AD芯片的时候，芯片要求的参考电压是4V，我该如何设计电路来获得这个4V的参考信号呢，而且这个信号精度要求很高
您好，
TI有专门的参考电压芯片，可以根据您的系统电源来选择对应的器件。
详情请参考 focus.ti.com/.../parametricsearch.tsp
希望可以帮助到你
