Cannes, France OmniVision Technologies, Inc. has announced the introduction of its first CameraChip with Standard Mobile Imaging Architecture (SMIA) at the 2005 3GSM World Congress this week. With the addition of SMIA-compliant CMOS image sensors, the company expects to extend its reach into the high-volume mobile handset market with its OmniPixel technology.
Incorporating the company's OmniPixel image-sensor architecture, the OV7668 CameraChip offers high light sensitivity, which translates into better performance in low light environments. It also reduces dark current to unnoticeable levels, said the company, which is an important factor in improving the performance of VGA CMOS image sensors as well as delivers low noise for improved imaging.
The OV7668, which is a 1/5-inch format, low-voltage, single chip VGA CMOS image sensor, is the first in a series of SMIA-compliant products from OmniVision. The OV7668 device is capable of directly interfacing with any SMIA-compliant host system. It integrates a 656 x 488 total image array, an on-chip 10-bit A/D converter, a camera control interface (CCI) and a compact camera port (CCP2) interface with up to 208 Mbits/s data transfer rate. Pixel size is 4.2 microns x 4.2 microns.
The OV7668 also features a low operating voltage and low power consumption, making it suitable for embedded portable applications. In addition, the new chip provides auto black level calibration and white pixel correction capability. Power requirements are 50 mW in active mode, 20 microwatts in power down and 200 microwatts in sleep mode.
The company plans to introduce additional SMIA-compliant products this year with higher resolutions and smaller form factors. Packaged in a 16-pin CSP2, the OV7668 is available for customer sampling. Volume production is planned for mid-2005. Pricing will be approximately sub-$3.00, depending on quantities.
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