我用三片LDO产生+5V、+3.3V、+1.8V。然后分别接到芯片的AVDD、IOVDD、DVDD上。这样我的电路板一上电,则ADS1278的
三路电源也就同时上电了。这和datasheet里面对上电顺序的要求有冲突,请问这种方法ADS1278可以正常工作吗?
若不行,怎么设计上电顺序的电路啊?
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我用三片LDO产生+5V、+3.3V、+1.8V。然后分别接到芯片的AVDD、IOVDD、DVDD上。这样我的电路板一上电,则ADS1278的
三路电源也就同时上电了。这和datasheet里面对上电顺序的要求有冲突,请问这种方法ADS1278可以正常工作吗?
若不行,怎么设计上电顺序的电路啊?