CD4052-012

2025-03-20
CD4051和CD4052是数字控制的模拟开关,具有低导通阻抗和极低的关断漏电流。它们能够通过4.5V至20V的数字信号幅度控制高达20V峰峰值(VDD-VSS = 3V时,VDD-VEE最高可达13V;对于VDD-VEE电平差异超过13V的情况,VDD-VSS至少需要4.5V)的模拟信号。例如,如果VDD = +4.5V,VSS = 0,VEE = -13.5V,则可以通过0至5V的数字输入控制从-13.5V到+4.5V的模拟信号。这些多路复用电路在整个VDD-VSS和VDD-VEE电源电压范围内消耗极低的静态功耗,与控制信号的逻辑状态无关。当禁止输入端出现逻辑“1”时,所有通道均关闭。CD4051是一款单8通道多路复用器,具有三个二进制控制输入A、B和C以及一个禁止输入。这三个二进制信号选择1个8通道打开,并将一个输入连接到输出。CD4052是一款差分4通道多路复用器,具有两个二进制控制输入A和B以及一个禁止输入。这两个二进制输入信号选择1对4通道打开,并将模拟输入连接到输出。

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CD4052-012

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模拟开关

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模拟和数字多路复用和去复用 ]A/D和D/A转换 ]信号门控 ]

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Technical Documentation

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