https://www.hamamatsu.com/jp/en/product/optical-sensors/photo-ic.html
Photo IC | Hamamatsu Photonics
The photo IC is an intelligent optical sensor with diverse functions and integrates a photodiode with signal processing IC in the same package.
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https://www.hamamatsu.com/us/en/product/optical-sensors/photo-ic/photo-ic-for-encoder/photo-ic-for-encoder/related_documents.html
Related documents | Photo IC for encoder | Hamamatsu Photonics
related documentsphoto icencoderhamamatsuphotonics