I am trying to build a portable wireless EEG system using ADS1299. The analog supply voltage and current of ADS1299 are 4.75~5.25V and 7.14mA respectively.
And for the control and wireless MCU I am considering CC2650 (1.8~3.8V, 6.1 mA @ Active-mode TX ). I think the current supply of the whole system should be more than 20mA taking other components into consideration. Can button cells power up a system like this? I found the standard discharge current of common button cells(CR2477,CR2032,et al.)is less than 1mA, which is too small for ADS1299.
The system is size critical so the smaller battery size the better, and the system should last at least 10 hours hopefully. Is there any suggestion on which battery should be used? Thanks!
Regards,
Eric