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Forum Post: ADS1298R: the amplitude of test signal is wrong

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Part Number: ADS1298R Hi customer used ADS1298R , the TESTP_PACE_OUT1 and TESTN_PACE_OUT2 are connected to its ADC, and ADC convert this signal to data a DSP is used to get this data with ADS1298R through SPI, but the data show the amplitude is +4mV/-7mV. but in datasheet, the signal is +1mV/-1mV or +2mV/-2mV. customer want to know what's wrong? thanks. datasheet page 15.

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