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ONET8501V: Request for Confirmation on Modified VCSEL Connection to ONET8501V

Part Number: ONET8501V

Tool/software:

Hi TI Expert,

For a specific application, I need to reverse the direction of the VCSEL (Anode/Cathode) when connecting it to the ONET8501V.

The revised circuit is shown below.

I have also swapped the Bias pin and VCC connections accordingly, as a higher voltage should be applied to the VCSEL Anode side.

Original datasheet schematic connection:
MOD+ → BIAS pin      (VCSEL Cathode side)
MOD− → VCC             (VCSEL Anode side)

Revised connection:
MOD+ → VCC            (VCSEL Anode side)
MOD− → BIAS pin     (VCSEL Cathode side)

Could you please confirm whether this revised configuration is valid and will function correctly?

BR,