Other Parts Discussed in Thread: AMC3330
I am testing then AMC3330EVM with the inputs INN & INP shorted and get quite a bit of output noise, approx 10mVrms on OUTP & OUTN.
Taking the spectrum, the main energy is at 620kHz:
The data sheet says output noise is 220uVrms at 100kHz BW.
1. Is this 620kHz content normal for the AMC3330?
2. Do I need to add more filtering to the EVM to achieve the 200uVrms? or how should noise be tested?
Thanks for any suggestions.