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tlc7524在固定电压模式下,电源电压与固定电压设为5V,怎么最大输出是4V?
这是个 DAC 芯片, 只要 VREF 大于 4V, 适当的转换值就可以实现了.
OUT1引脚加5V,模拟电压从VREF中出来,最大输出4.1V。求解?