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REF1933: REF1933AIDDCR的相关问题

Part Number: REF1933

您好,

有一个项目中用到REF1933AIDDCR这个基准源,有如下两个疑问:

1.REF1933AIDDCR输出的3.3V和1.65V,这两个电的有上电时序吗(也就是哪个电先产生,哪个电后产生)?

2.TI有没有单路输出1.65V的基准源?如果有,麻烦告知型号,谢谢