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第 22 頁︰
) O' C* z' w# w: s- q. O# t; lFigure 67 shows a high-side current monitor configuration. Here, the input common-mode voltage of the amplifier is at or near the positive supply voltage. The rail-to-rail input of the amplifier provides a precise measurement, even with the input common-mode voltage at the supply voltage. The CMOS input structure does not draw any input bias current, ensuring a minimum of measurement error. w. v) R6 v9 w: z! O: A0 P1 z
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