Saturday, November 23, 2024

Image Sensor For Smartphone Cameras

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The smartphone imaging sensor offers 50MP clarity, HDR, and enhanced low-light performance in a compact design.

sensor

OMNIVISION, a developer of semiconductor technologies, including digital imaging, analog, and touch & display technology, announced the launch of OV50M40 image sensor. This sensor incorporates capabilities for various smartphone camera setups such as front, main, ultra-wide, and telephoto, offering a 0.61-micron pixel CMOS sensor with 50-megapixel output. It includes features like single exposure dual analog gain (DAG) for video HDR and an always-on low power mode.

The sensor supports HDR capabilities through staggered and DAG HDR technologies, enhancing both video and still image quality. Its built-in DAG allows for single-exposure HDR, minimizing motion artifacts in variable lighting. The sensor performs well in low-light conditions with its 4-cell binning technique, noise reduction, and high-gain mode, capable of achieving up to 64x analog gain for enhanced images in low light.

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Additionally, the sensor features phase detection autofocus (PDAF) in both binning and full-resolution modes, and hardware re-mosaic for optimal telephoto camera performance. Its always-on function enables motion detection and low power usage. The sensor ensures quality images whether used in rear or front-facing cameras, supporting up to 3x crop-zoom for telephoto lenses with quick mode switching.

Constructed using OMNIVISION’s PureCelPlus-S stacked-die technology, the sensor achieves resolution in a compact form factor with small 0.61µm pixels. It provides a 12.5MP preview and captures still images with 4-cell binning for increased sensitivity. The sensor supports various modes, including 50MP stills at 12 fps, 12.5MP images at 60 fps, and high-frame-rate video capture. This 1/2.88-inch sensor also supports the CPHY/DPHY MIPI interface and dual DOVDD voltage levels.

“There is increasing demand for small form factor 50MP resolution image sensors in smartphone applications, including front, main, ultra-wide and telephoto cameras,” said James Liu, senior product marketing manager, OMNIVISION. “Our new OV50M40 image sensor can provide mobile phone OEMs with a single camera solution with the performance and features that can satisfy multiple applications, simplifying the supply chain and reducing cost.”

Nidhi Agarwal
Nidhi Agarwal
Nidhi Agarwal is a journalist at EFY. She is an Electronics and Communication Engineer with over five years of academic experience. Her expertise lies in working with development boards and IoT cloud. She enjoys writing as it enables her to share her knowledge and insights related to electronics, with like-minded techies.

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