Product category: Optoelectronic Sensors, Switches and Receivers
News Release from: Avago Technologies | Subject: ADJD-S313-QR999
Edited by the Electronicstalk Editorial Team on 17 March 2006
Digital colour sensor goes straight to
MCU
Avago Technologies today announced the industry's first CMOS digital colour sensor that can be directly interfaced to a microcontroller without the need for additional components.
Avago Technologies today announced the industry's first CMOS digital colour sensor that can be directly interfaced to a microcontroller without the need for additional components The new colour sensor is supplied in a 20-pin QFN (quad flat no lead) package and, measuring 5 x 5 x 0.75mm, is 50% thinner than the closest competitor
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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The Avago ADJD-S313-QR999 digital colour sensor is easily interfaced to the system microcontroller via the sensor's two-wire serial interface.
The sensor offers excellent performance in a wide variety of portable applications, including mobile phones, MP3 players and PDAs where it can be used in conjunction with a white LED for reflective colour measurement.
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Other applications include colour measurement in portable medical instruments and colour detectors and readers.
"Designers of consumer and medical devices requiring digital colour measurement capabilities have requested a combination of higher integration, ease-of-use, smaller sise and lower power consumption", said Lee Soo Ghee, Vice President and General Manager for Avago Technologies' Optoelectronic Products Division.
"Our new digital colour sensor is the first in the industry to combine all of these features".
The standard two-wire serial interface and integrated analogue-to-digital convertor (ADC) - rather than the variable-frequency, square-wave TTL (transistor transistor logic) output of the device's closest competitor - translates into significantly simpler interfacing combined with more flexible optical-to-electrical signal conversion.
The colour sensor's basic architecture comprises integrated RGB filters built on a uniformly distributed photodiode array, a logic control core and a gain selector with an ADC that supports digital communication.
The uniform RGB filters and photodiode array minimise the effect of light-gradients caused by optical misalignment and irregularity of surfaces.
With the wide sensing range of Avago's ADJD-S313-QR999, the sensor can be used for many applications with different light levels simply by adjusting the gain setting.
The integrated ADC helps to remove unwanted noise caused by analogue signal preconditioning.
Additional features include a selectable sleep mode to minimise current consumption when the sensor is not in use, and operation over the 0 to +70C temperature range.
Samples and production quantities of the Avago Technologies ADJD-S313-QR999 colour sensor are available now through Avago's direct sales channel and worldwide distribution partners. Request a free brochure from Avago Technologies ...
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