Hello,
I have 16 charge pump (CP) outputs at 8V that I need to measure. Since I am running out of measuring instruments, I am planning to have a comparator at the output of the charge pump and give me a digital out on whether the CP is at 8V or lower. But this loading of the comparator on the charge pump should be really small (in fA ). What IC's do I use in this applciation? Is there a better way of doing this with a multi-channel ADC?
Thanks in advance for your support.
Rgds,
CC
Hi CC,
Using a window comparator and feeding that into the GPIOs of an MSP430 might be the simplest way to achieve what you want to do. That turns it into a basic 'go, no go' logic decision which would not need a precision data converter for the application.
Regards,
Tom
My problem of keeping the loading on the charge pump to fA still remains. Any suggestions?