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Mark Peters : April 20th 2006 - 08:18 CET

5 Megapixel CMOS Chip from OmniVision


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OmniVision5 Megapixel CMOS Chip from OmniVision : OmniVision, a supplier of CMOS image sensors, unveiled its second-generation, 5 megapixel camera chip. The OmniVision OV5620 offers a small form-factor, 5 megapixel CMOS camera that surpasses CCD sensors in performance. Furthermore, the OmniVision OV5620’s advanced high-definition video modes with vivid colors make this CameraChip especially attractive for next generation digital still cameras (DSCs) and hybrid cameras, which take both still and video pictures. "After several years of exponential growth, the DSC market has slowed down significantly, and the pixel race seems to have found its sweet spot around 5 megapixels," said Brian O’Rourke, Senior Analyst at market research firm In-Stat.
5 Megapixel CMOS Chip from OmniVision5 Megapixel Digital Imaging Sensor
“With so many digital cameras sold today featuring 5 megapixels, the key market differentiators in this segment are shifting away from the pixel count and towards advanced features such as video.” The OmniVision OV5620 offers two unique video modes. The first is a D1 resolution (720x480) at 60 frames per second (fps), which is slightly larger than the VGA resolution (640x480) found in most digital still cameras today. Because D1 is a TV resolution, the user can plug an OV5620 enabled camera directly into a TV and enjoy smooth, high-quality video playback. The second is a 720P resolution (1280x720) at 30fps, which is considered an entry-level, HD video specification. This allows the user to play video back directly through an HDTV display.

Digital still cameras - CCD technology
“Because most traditional digital still cameras use CCD technology and thus are unable to produce high frame rates at high resolution, their video features are limited,” said Jason Liu, senior product marketing manager at OmniVision, “Based on our testing of products containing the OV5620 versus those containing CCD sensors, the OV5620 will offer camera makers significantly enhanced video performance over CCD sensors, while maintaining an affordable price.”

Digital Still Cameras & High-resolution camera phones
Using its new OmniPixel2 architecture, OmniVision significantly improved both performance and image quality in the OmniVision OV5620, while reducing overall sensor size, making the OV5620 an ideal solution for Digital Still Cameras, hybrid cameras and high-resolution camera phones. With an optical format of just 1/2.5 inches, the OV5620 fits easily into popular 3x zoom lens modules, making it one of the first 5 megapixel CMOS camera modules to compete in the CCD-dominated mainstream digital still camera market segment.

OmniVision OV5620 - OmniQSP signal processing
New on-chip features include an OmniQSP signal processing core for high-grade picture processing that enables 50/60 Hz auto flicker detection, LCD scaling, lens shading correction, defect pixel correction, edge enhancement and noise reduction functions. The integrated VarioPixel-2 technology offers a new pixel binning processing, which results in improved image quality with reduced sub-sampling artifacts and greater performance in low light condition. The OmniVision OV5620 comes in both a 48-pin, lead-free CLCC package and a 40-pin, lead-free CSP-2 package, both of which are now available for sampling.

About OmniVision
OmniVision Technologies, Inc. designs and markets high-performance semiconductor image sensors. Its OmniPixel and CameraChip products are highly integrated single-chip CMOS image sensors for mass-market consumer and commercial applications such as mobile phones, digital still cameras, security and surveillance systems, interactive video games, PCs and automotive imaging systems.





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