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Do I need an isolation amplifier for a portable EMG?

TJ10751
Prodigy 185 points
Other Parts Discussed in Thread: BQ24022

Hi,

For my final year project I have a main board with a number of analog sensors that are all fed into an MSP and sent via bluetooth to a recipient client PC.
I've designed an EMG front end amplifier that will be on board, however I'm not sure if it will require an isolation amplifer to remove noise. My power supply is TI's BQ24022 Li Ion rechargeable battery.

Would I require the islation amp?

 

thx in advance