Other Parts Discussed in Thread: ADS1261
Tool/software:
Hello, professionals.
I have some questions about ADS1235, especialy about VCOM.
Q.1
I saw the Q&A about VCOM and that was answerd VCOM is voltage that is divided by a resistor connected to AVDD and AVSS.
Do you know that internal resister value?
Q.2
Is the datacheet parameters, such as noise was measured by analog input which is internaly connected VCOM?
"input short" in the data sheet means this?
Q.3
(It's not question, wish advice) I wanted to measure ADS1235 input short noise, by short connnected at EVM's input coonector point.
In a different case, I know that the ADS1261 IC has a pin called AINCOM which outputting half the power supply voltage, but the ADS1235 does not have such a pin.
How should I measure it? Should I simply use a resistor divider?