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Original question:

DLP3010LC: Need firmware update

DLP3010LC: Some question about DLP3010

Gabriel Wang1
Genius 3825 points
Part Number: DLP3010LC
Other Parts Discussed in Thread: DLPC350

Dear Expert

Now I have another question for you: our company uses DLP4500A + DLPC350, and LED lighting uses three red, green and blue lights. If the central wavelength of 850nm infrared lamp is used as the light source, can DLP4500A support it perfectly? What is the window transmittance?

  • 0
    TI__Expert 5290 points

    Hello Gabriel,

    Welcome to DLP forum and thank you for your interest in DLP technology.

    To clarify, your company is using the DLP4500A DMD (DLP4500AFQD or DLP4500AFQE).

    Thank you,

    John

  • 0 in reply to John McKnight
    TI__Mastermind 22830 points

    Hello Gabriel,

    Thank you for your patience.  The following application note has detailed information about the transmittance of the DMD window.

    https://www.ti.com/lit/an/dlpa031e/dlpa031e.pdf

    The DLP4500A DMD uses  Corning Eagle XG material and please refer to the curve for visible coating.

    At 850nm the DMD window efficiency will be ~85%. The DMD should be OK.   The efficiency of the optical components used in the optical engine may have a bigger impact on efficiency.

    The optical engine is sourced from third-party and we don't have similar information for the components used  in the engine.

    regards,

    Vivek