Opto-Electronics


CMOS digital photo IC for colour sensing

3 October 2007 Opto-Electronics

Hamamatsu Photonics has introduced a new 12-bit digital output colour sensor photo IC. The new S9706 device consists of a matrix photodiode array coupled to an RGB (red, green and blue) filter matrix to give colour response. The device is combined with 'in house' CMOS processing electronics and is contained within a monolithic silicon chip. The output of the S9706 is in 12-bit digital format with the colour intensity of red, green and blue read out sequentially at high speed.

The S9706 is easily operated with a standard 3,3 V CMOS power supply and is said to have higher speed and lower cost than a solution using three individual colour image sensors, as well as being highly accurate and easier to implement.

The S9706 is ideal for applications such as colour sensors for displays (LCDs, televisions and monitors), colour rendering for LED backlights, office and industrial lighting control, in-line industrial product inspection, colour printing applications, bank note verification, environmental sensors and a wide variety of other optical sensors requiring colour measurements.



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