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Description: We can't tell what metallic salmon looks like, but this very small sensor can! The ADJD-S311-CR999 is a 4 channel digital sensor with a mere size of 2.2 x 2.2 x 0.76 mm. 10-bit per channel resolution means the ADJD can discern the smallest differences between visible colors. This is a CMOS IC with integrated RGB filters + Clear channel and analog-to-digital converter front end. It is ideal for applications like color detection, measurement, and illumination sensing. The 2-wire serial interface allows direct connection to a microcontroller or other logic control for further signal processing without additional component such as analog to digital converter. With the wide sensing range, the sensor can be used for many applications with different light levels by adjusting the gain setting.

Features:

  • 10 bit per channel resolution
  • Independent gain selection for each channel
  • Wide sensitivity
  • Two wire serial communication
  • Built in oscillator/selectable external clock
  • Low power mode (sleep mode)
Dimensions: 2.2 x 2.2 x 0.76 mm

Documents:

Replaces: SEN-08618

Comments 33 comments

  • I took a microphotograph of the sensor portion of the chip. It’s pretty.

  • Kinda a waste of offering this as a BGA even if it was leaded 2mm is smaller package than most could handle, adding BGA means no one should buy this.

    • It’s called… Using a $20 Hot Plate from Target for Reflow.

    • We started doing business without any fancy equipment. It is possible to use without specialized stuff. Bill is right, a hot plate could get the job done. Thanks to Paradoxial for creating (possibly?) a breakout for it.

  • I was wondering if anyone knew the smallest size object that this could detect the color of or discern. In other words, if I have a series of lines with different colors, how thin can these lines be and still be detected?

  • This chip looks really great.
    I am planning on using it on an ambilight project i have in my mind. No processing or using a PC. Take 4 of these sensors, mount them at the edges of the screen, use their outputs to average out the colors.
    Problem is the chip being a BGA. I have never soldered any SMD chip smaller than an SOIC.
    The breakboard is great. However the sensor is right smack at the center of the board. I was wondering Sparkfun, if you are planning on releasing any breakboard where the sensor is mounted at the edge of the board. This way it can be used on the monitor’s bezel.

  • Any update on a break-out board? I really can’t solder this thing myself, and the toy/game I am working on with the old sensor, needs a replacement sensor. Any news?

  • Am I the only one that can’t see the break out board in the related products? It says there are 2 products but only the light intensity to frequency ic is visible…

  • It looks to me like the only real difference between this and the old color sensor (ADJD-S371) is that the old one had a built in LED. With this one, you’ll have to illuminate the object with your own light source.

  • Looking at the image of the underside of the part with the solder balls, the balls appear to be resting on a miniature green PCB-like substrate with copper (?) traces that actually wrap around the chamfered edge of the board to reach the other side. Anyone know if (1) that is the case and if so (2) how do they manufacture that?

  • Ball grid soldering? I believe that’s a new one for SFE?
    Anyhow, I have a feeling people will want this breakout-boarded.
    (Edit: Anyone know the differences, if any, between this sensor (S311) and the one on the eval board below (S371)?)
    EDIT2: The BOB of the old sensor is no longer in “Related Products” due to discontinuation.

    • They are a different package. The other one was EOL’d, so we got this. But we aren’t going to redo the breakout board, so it’s all up to you guys.

      • I could design a breakout board for you guys.

        • The board is coming along pretty well. I have etched the first version of the board and assembled it with all of the parts minus the color sensor. It passed all of my tests so I am going to get the latest version of the board professionally manufactured and test it with the color sensor.


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