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OPT3004EVM: OPT3004 IR rejection test...

Part Number: OPT3004EVM
Other Parts Discussed in Thread: OPT3004

Dear Sirs,

My customer found while they test IR rejection performance with a black box, there is still IR influence with OPT3004. 

Below is some photo for their test and customer use 850nm waveform IR LED.

The competitor is CG5162 and no problem.

Please help to review and give me some suggestions.

Thanks.