Hello Lhagva, I do not see this problem on my EVM. You have selected 4.096MHz for the ADC clock. In this mode, you should also set Power Mode to Low Power. Also, please confirm J7 is in the 4MHz position. Since you have reconfigured the EVM for bipolar operation, use a DMM and confirm all voltages with respect to GND are correct. AVSS=-2.5V AVDD1=+2.5V AVDD2=+2.5V DVDD=+3.3V Regards, Keith
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