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Problem with SN74CBTLV3251DR

Vasanthan Nagarajan
Intellectual 260 points

Hi,

Since SN74CBTLV3251DR is a FET based switch, i tried to multiplex the analog voltage channels with this.

I can able to get the output if i change the selection bits very slowly.

But when i tried with changing the selection bits for every 1us, i got some erraneous voltage at the output for the corresponding input voltage.

Please let me know what is the problem in using this part with this switching requirement.

 

Thanks,

Vasanthan N