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Hi, what is the recommended design for a small signal detection switch. Input detection voltage (ON:40mV~4V / OFF: less than 40mV), output to enable pin for DC-DC converter. Is the MCH3914 can be use to amplify the signal? important is the quiescent current should less than 10uA.

The NLX2G66 is a good choice for the switch. It will work under the assumed conditions. Please see the datasheet for your reference at: Dual Bilateral Analog Switch / Digital Multiplexer Data Sheet Answered by:
ON Semiconductor
2013-03-25 15:30:47.567