Image sensor offers high low-light performance

April 09, 2019 //By Christoph Hammerschmidt
Image sensor offers high low-light performance
The OV2778 imaging sensor from Omnivision Technologies (Santa Clara, Cailf.) is targeting automotive markets and applications such as cabin monitoring systems. With its complement of features, this sensor is ideal for interior applications such as detecting packages and unattended children, as well as videoconferencing.

Offering a resolution of 2 Megapixel, the device covers the RGB and IR part of the spectrum. It comes in the smallest package available for the automotive in-cabin market segment—a 6.5 x 5.7mm automotive CSP—enabling the smallest camera sizes possible for unobtrusive placement inside the vehicle. It also offers advanced ASIL functional safety, which is important for in-cabin applications when the OV2778 is being integrated as part of an ADAS system.

The OV2778 is built on OmniVision’s 2.8-micron OmniBSI-2 Deep Well pixel technology, which delivers a 16-bit linear output from a single exposure with high low-light sensitivity. With the second exposure, the dynamic range increases to 120dB, which minimizes motion artifacts. With an integrated RGB-IR, 4x4 pattern color filter and external frame synchronization capability, the OV2778 is said to yield high performance across varying lighting conditions. It is AEC-Q100 Grade 2 certified for automotive applications and expected to benefit from the large installed base of its predecessor, easing the OV2778 ‘integration into existing automotive platforms.

Samples are available now, along with a plug-and-play automotive reference design system that can be connected to any vehicle for rapid development.

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