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请问DAC7724的基准电压正负10V（VREFH、VREFL）有没有芯片可以直接生成，如果有的话请问是芯片的型号是什么？还有它的模拟供电电压正负15V（VCC、VSS）可以用哪种电源芯片直接生成？还有这两种电源芯片的输入最好都是5V。谢谢！
可以去官网的电压基准栏页面找找
http://www.ti.com.cn/lsds/ti_zh/power-management/voltage-reference-overview.page
