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DAC61416: 请教使用时发现电压不能保持,通过示波器测量

Part Number: DAC61416

电路原理图中将REFGND直接接GND

开始时正常。过一段时间后不能正常显示波形,图为输出22V时波形图。输出22V后立马会变低,很奇怪