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LMV358: Output waveform is abnormal

Part Number: LMV358

Dear Sir

Good day.

We use LMV358 got an issue need your help.

We need to know why only the output waveform of OUTB is unstable. Please kindly reference on below information. 

Some LMV358 will have this problem. But most LMV358 is normal. The defect rate is about 4%.Thanks for help.

Schematic

Removing the AFE load and add 200kΩ load / 1uF to GND Get the same problem. The waveform is as follows.