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Hi,
I test ADS1299EVM connect to stm32 MCU.
In my case, the output data has two error.
First, output data has trend(negative gradient).
Second, Output data contaminated by digital signals.
I attach my output data file. Sampling rate is 250Hz.
Setting of Register is below.
ADS1299_Write(REG_CONFIG1, 0x96);
ADS1299_Write(REG_CONFIG2, 0xC0);
ADS1299_Write(REG_CONFIG3, 0xFC);
ADS1299_Write(REG_CONFIG2, 0xC0);
ADS1299_Write (REG_CH1SET, 0x60);
ADS1299_Write (REG_CH2SET, 0xE0);
ADS1299_Write (REG_CH3SET, 0xE0);
ADS1299_Write (REG_CH4SET, 0xE0);
ADS1299_Write (REG_CH5SET, 0xE0);
ADS1299_Write (REG_CH6SET, 0xE0);
ADS1299_Write (REG_CH7SET, 0xE0);
ADS1299_Write (REG_CH8SET, 0xE0);
ADS1299_Write (REG_LOFF, 0x00);
ADS1299_Write(REG_CONFIG4, 0x02);
ADS1299_Write (REG_LOFF_SENSP, 0xFF);
ADS1299_Write (REG_LOFF_SENSN, 0xFF);
ADS1299_Write (REG_LOFF_FLIP, 0x01);
ADS1299_Write (REG_RLD_SENSP, 0x06);
ADS1299_Write (REG_RLD_SENSN, 0x02);
The internal test signal operate well.
Do you know about this error??