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ADS8556: HVDD和HVSS的上下电时序和斜率问题

Part Number: ADS8556

1、当前ADS8556 HVDD采用+5.2V供电,HVSS采用-5.2V供电,芯片对HVDD和HVSS上下电时序有要求吗?如果有规格是怎样的?会否导致假设HVDD先上电导致HVSS被拉至正电压?

2、ADS8556对HVDD和HVSS上电斜率、下电斜率有要求吗?如果有规格是怎样的?