Question
Why does the ADA4530-1 have a unique pin out?
Answer
The ADA4530-1 provides an integrated guard buffer to isolate the input pins from leakage in the printed circuit board (PCB) and to minimize boardcomponent count. The guard buffer can drive guard traces through pin 2 and pin 7. The ADA4530-1 is available in an industry-standard surface mount8-lead SOIC package with a unique pinout optimized to prevent signals from coupling between the sensitive input pins, the power supplies and theoutput pin while enabling easy routing of the guard traces.