Hi Rihui,
The input voltage range to the ADS7864 is actually 0-5V. The input span is +/-2.5 at a +2.5V common mode level. Can you share your schematic and let us know what the output code you are seeing is?
Hi Rihui,
The input voltage range to the ADS7864 is actually 0-5V. The input span is +/-2.5 at a +2.5V common mode level. Can you share your schematic and let us know what the output code you are seeing is?