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How to cancel the excessive Icc current seen in analog switch application with 8V (or above) Vcc and 3.3V/5V control signal?

April 26, 2017analog application cancel ICC seen Switch Vcc

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How to cancel the excessive Icc current seen in analog switch application with 8V (or above) Vcc and 3.3V/5V control signal?

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In order to cancel the excessive Icc, the control signal needs to be rail-to-rail and its logic high needs to reach the Vcc voltage. Another approach is to add a resistor on the Vcc pin to reduce the excessive current but the trade off is the resulting Vcc voltage drop caused by the resistor and the excessive current.