Other Parts Discussed in Thread: AMC1350, AMC1311
Hi,
I am trying to use AMC1302 to measure the voltage. The schematic is shown here. VDD1 and GND1 are connected with a 5V voltage supply. VINP and VINN are connected with the power link to measure a single phase AC voltage. Vcu and Vcl will give me the measurement.
But the measurement has a lot of ripple. (Channel-3 and Channel-4).
The Zoom in of the ripple is shown here.
I am wondering why this happened, and how could I fixed it? Thank you very much for your help.
Best regards,
Shaozhe Wang