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ADS1x98ECG-FE Power-Supply Recommendations

B.2 ADS1x98ECG-FE Power-Supply Recommendations

Figure 49 shows a +6V power-supply cable (not provided in the EVM kit) connected to a battery pack with

four 1.5V batteries connected in series. Connecting to a wall-powered source (provided in the EVM kit)

makes the ADS1x98ECG-FE more susceptible to 50Hz/60Hz noise pickup; therefore, for best

performance, it is recommended to power the ADS1x98ECG-FE with a battery source. This configuration

minimizes the amount of noise pickup seen at the digitized output of the ADS1298.

Figure 49. Recommended Power Supply for ADS1x98ECG-FE

SBAU171C–May 2010–Revised September 2012 External Optional Hardware

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