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CMOS image sensor performs in low-light conditions

Posted: 25 Jan 2008 ?? ?Print Version ?Bookmark and Share

Keywords:HD 1.3Mpixel CMOS image sensor? low light? raw Bayer output?

MagnaChip Semiconductor Ltd has launched an HD-ready 1.3Mpixel raw Bayer output CMOS image sensor. The launch of the MC515ER image sensor enhances MagnaChip's product portfolio for the growing markets that require imaging performance in low-light situations.

The MC515ER is a 1.3Mpixel SXGA (1,280x1,024) resolution raw Bayer output image sensor leveraging an advanced low noise pixel process implemented in Magnachip's 0.13?m CIS process technology. The high quantum efficiency and low read noise enable an SNR that is over 15dB better than the performance available for typical sensors in the market today.

Supported devices
The MC515ER supports an ITU-R BT.656 parallel video interface with MagnaChip's specialized low EMI technology. The device also supports a SMIA compatible CCP2 video interface. The device is programmable through a two-wire camera control interface and supports on-chip frequency synthesizer, on-chip horizontal and vertical digital binning and automatic black level calibration. The MC515ER goes beyond standard Bayer RGB devices by offering on chip pixel correction and advanced de-noising. These sophisticated signal processing blocks enhance image sensor performance and ease system integration. The MC515ER requires minimal external components and is optimized for low power consumption. The device can operate from a single 2.8V power supply or a dual 2.8V and 1.8V. A wide range of voltages are supported for digital I/O.

The 30fps operation combined with very high SNR performance is well-suited for PC cameras, HD video capture devices, and performance oriented surveillance applications. As the image quality requirements for the handset camera phone market continue to increase, OEMs can use this product to reduce motion artifacts, increase operating scene range, and improve overall perceived picture quality.

Robert Krakauer, president of MagnaChip, said, "We are pleased to offer our customers unique products that take their image quality to new levels. Our investment in advanced pixel technologies, along with our custom fabrication processes for CMOS sensors ensure that we deliver leading image quality. We expect to fully leverage our technological advantage in providing excellent low light performance and other product features to become a leader in the CMOS imager market."

Packaged samples are available. The MC515ER will be in mass production in the first half of 2008. MagnaChip has a complete suite of demonstration systems and reference designs to support end product development.

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