OmniVision OV8830 First OmniBSI-2 8MP Image Sensor

OmniVision Technologies has announced its most advanced 8-megapixel image sensor to date, and the first to use OmniVision's second generation OmniBSI-2 pixel architecture. Implementing the latest developments in backside illumination (BSI) pixel technology, the OV8830 combines low power consumption, small die size and best-in-class pixel performance with advanced image processing features. This combination allows the OV8830 to support enhanced, fast frame rate image capture and 1080p or 720p high-definition (HD) video recording, making it highly suitable for feature rich smart phones.
OmniBSI-2 technology is OmniVision's first pixel architecture built on 300 mm wafers using a copper process with 65 nm design rules, developed in close cooperation with strategic manufacturing partner Taiwan Semiconductor Manufacturing Company Limited (TSMC). The new process and design rules enable a number of substantial improvements over OmniBSI™ technology's already impressive performance, including improved pixel layout, better isolation, and significantly reduced crosstalk. As compared to OmniBSI, OmniBSI-2 technology also provides the basis for a larger collection region in the photodiode. The results include increased sensitivity, improved image quality and enhanced color reproduction, leading to more responsive overall sensor performance.

The OmniBSI-2 pixel architecture offers many performance improvements over OmniBSI technology as applied to OmniVision's 8-megapixel sensor product portfolio. These advances include a 20 percent improvement in peak quantum efficiency in all color channels, a 35 percent improvement in low-light sensitivity and a 45 percent increase in full-well capacity.

"The OV8830 sets a new performance standard in the popular 8-megapixel camera segment of the highly video-centric smart phone market," said Vinoo Margasahayam, product marketing manager for OmniVision. "OmniBSI-2 technology allows us to offer an 8-megapixel sensor with best-in-class sensitivity and image quality, optimized power consumption and advanced features in a small footprint – qualities that we believe make it ideal for the next generation of smart phones."

The 1/3.2-inch OV8830 image sensor offers a range of advanced features including high frame rates, an integrated scaler, and 2 x 2 binning functionality. The scaler enables electronic image stabilization, while maintaining full field of view in 1080p/30 HD video mode. The sensor's binning functionality with post-binning re-sampling filter minimizes spatial artifacts and removes image artifacts around edges, delivering clean, crisp color images for best-in-class 720p HD video.

The OV8830 fits into the industry standard module size of 8.5 x 8.5 x 6 mm and is now available for sampling. Mass production is expected to start in the second half of 2011.

Please visit the OmniVision website to learn more about the OV8830 and OmniBSI-2 technology.
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