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1.3MP CMOS image sensor simplifies camera module design

Posted: 12 Aug 2005 ?? ?Print Version ?Bookmark and Share

Keywords:micron technology? image sensor? mt9m112? digitalclarity?

Micron Technology Inc. announced sample availability of a one-quarter inch optical format, 1.3 Megapixel (MP) CMOS image sensor. As with all Micron CMOS image sensors, the new MT9M112 is equipped with the company's proprietary low-noise, high-sensitivity DigitalClarity technology that promises brilliant color images even under some of the poorest lighting conditions.

The MT9M112 is a fully integrated SoC sensor, incorporating additional logic on the device that simplifies the camera module design, related manufacturing processes, system integration, power management, and component count.

According to Farhad Rostamian, director of marketing for wireless and mobile with the Micron Imaging Group, the one-quarter inch 1.3MP sensor encompasses the necessary imaging and digital signal processing technology all on one chip, requiring fewer parts and ultimately reducing design costs. "This device enables mobile phone manufacturers to simply upgrade their existing one-quarter inch VGA cameras to one-quarter inch megapixel cameras occupying the same height and footprint," Rostamian said.

Advanced image processing features are designed directly into the MT9M112, including three channel gamma correction, lens shading correction and color correction. Automatic features include on-the-fly auto defect correction, auto exposure, auto white balance, auto black reference, auto flicker avoidance and auto color saturation. The camera control sequencer automates the camera's flash and video clip snapshots. Additional features include a 2-by-2 pixel binning, programmable input/output slew rate, mechanical shutter support, and continuous, smooth zoom and pan, as well as day and night mode configurations.

The MT9M112 is capable of 15fps at full resolution and 30fps in preview mode. It has a pixel size of 2.8?m? and contains 1,280 horizontal by 1,024 vertical active pixels (standard SXGA format).

Samples of the MT9M112 are already available, with production scheduled in December 2005.

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