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[FAQ] OPT3001: OPT3001 vs OPT3002

Part Number: OPT3001

OPT3001 measurement level is 0.01lux to 83k lux, and OPT3002 measurement level is 1.2nW/cmcm to 10mW/cmcm.

What is the difference between these measurement levels?

Regards

Praveen

TI makes no warranties and assumes no liability for applications assistance or customer product design. You are fully responsible for all design decisions and engineering with regard to your products, including decisions relating to application of TI products. By providing technical information, TI does not intend to offer or provide engineering services or advice concerning your designs.

  • OPT3001 has a human eye spectrum while OPT3002 is more wider band (measures energy beyond what human eye sees).
    Lux is a terminology used for Illuminance (lumens/unit area), which in photometry is used to indicate the intensity as perceived by human eye.
    So the usage of Lux terminology is applicable for only energy in human eye band. So we use that in OPT3001. But if we measure energy over wider band then watt/unit area is used.

    Regards

    Praveen

    TI makes no warranties and assumes no liability for applications assistance or customer product design. You are fully responsible for all design decisions and engineering with regard to your products, including decisions relating to application of TI products. By providing technical information, TI does not intend to offer or provide engineering services or advice concerning your designs.

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