This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LMP7721: A buffer design with noise output

Part Number: LMP7721

0488.Probe.pdf

Hello all,

As attachment,reference AN-1852 Designing With pH Electrodes.There is noise in output.

1,What rules need to pay attention about layout?

2,What's means circurt board guard layout?Is it shielded?