Tiny optical format sensor for smartphone cameras

28th April 2020
Alex Lynn

OmniVision Technologies has announced the OV64B, a 64 megapixel (MP) image sensor with a 0.7 micron pixel size, enabling 64 MP resolution in a 1/2” optical format for smartphone cameras. This optical format sensor allows high end and high mainstream smartphone designers to create the thinnest possible phones with high resolution 64 MP cameras.

Built on OmniVision’s PureCel Plus stacked die technology, this sensor provides leading-edge still image captures and exceptional 4K video recordings with electronic image stabilization (EIS), as well as 8K video at 30 frames per second (fps). These features make the OV64B ideal for the main, wide, ultra-wide or telephoto rear-facing camera in multicamera configurations.

“This year, TSR estimates there will be 127 million image sensors with 64 MP or higher resolution shipped to smartphone manufacturers,” said Arun Jayaseelan, Staff Marketing Manager at OmniVision. “The OV64B, with the industry’s smallest size for a 64 MP sensor, is further enabling this trend among high end and high mainstream smartphone designers who want the best resolution with the tiniest cameras.”

The OV64B supports three-exposure, staggered HDR timing for up to 16 MP video modes. It integrates a four-cell color filter array and on-chip hardware re-mosaic, which provides high quality, 64 MP Bayer output in real time.

In low light conditions, this sensor can use near-pixel binning to output a 16 MP image with four times the sensitivity, offering 1.4 micron equivalent performance for previews and still captures. In either case, the OV64B can consistently capture the best quality images, while enabling two times digital crop zoom with 16 MP resolution and fast mode switch.

The sensor features type-2, 2x2 microlens phase detection autofocus (ML-PDAF) to boost autofocus accuracy, especially in low light. It also provides a CPHY interface for greater throughput using fewer pins, and supports slow motion video for 1080p at 240 fps and 720p at 480 fps. Other output formats include 64 MP at 15 fps, 8K video at 30 fps, 16 MP captures with four-cell binning at 30 fps, 4K video at 60 fps and 4K video with EIS at 30 fps.

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