OV08850-G04A-3A

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Image Sensors, Camera: OV08850-G04A-3A Application Field and Working Principle

The Omnivision OV08850-G04A-3A image sensor is a low-voltage, high-resolution camera image sensor designed for applications requiring low-light performance. It has a resolution of 8 megapixels (MP) and a 1/4-inch optical format, making it ideal for a wide range of applications. It is equipped with a high-performance monochrome image sensor, four-channel simultaneous high-dynamic range (HDR) mode, and high-sensitivity image scalability.

The OV08850-G04A-3A image sensor utilizes four CMOS-based pixel arrays with 8 megapixels each, uses an omnidirectional phase detection autofocus (PDAF) lens, and features a separate four-channel HDR mode for high dynamic range scenarios. It has a 1/4-inch optical format, with a fill factor of 1.4, and can handle both bright and dark scenes, delivering high image quality with minimal noise and distortion. The OV08850-G04A-3A can also be used in low light environments to capture images with excellent resolution and clarity.

The OV08850-G04A-3A image sensor is designed for use in industrial, medical, automotive, wireless, and mobile applications. In industrial applications, it can be used to detect and recognize objects, measure distances, or recognize features. In medical applications, it can be used to detect and monitor vital signs and biomarkers. In automotive applications, it can be used for autonomous navigation and gaming systems. In wireless and mobile applications, it can be useful in image recognition tasks and facial recognition.

In terms of working principle, the OV08850-G04A-3A image sensor captures data through four separate pixel arrays. The omnidirectional PDAF lens enables faster and more accurate tracking and detection of objects, with its four independent colour channels. Each array integrates four CMOS image sensing devices, each with 8 megapixels, making it ideal for capturing wide-angle shots in low light conditions. The sensor is also capable of 4K video streaming and recording, and can be used for high-speed capturing and videos with low latency.

The OV08850-G04A-3A image sensor supports PDAF autofocus, that uses input from both active and passive focusing technologies. The active focus uses a direct phase detection process in which the object is identified and tracked in real time. The passive focus uses a global shutter, that uses global illumination and exposure, to optimize the overall image resolution. This ensures that the sensor can capture high-resolution images in all types of light levels.

The OV08850-G04A-3A image sensor also features backside illumination (BSI) technology, which is designed to improve sensitivity when capturing dark scenes or low-light environments. It has a dual gain design, which helps increase the dynamic range of the images, and allows dynamic gain adjustments for different lighting conditions. Overall, the OV08850-G04A-3A image sensor is designed to provide excellent performance in a wide range of applications, with its high-sensitivity, low-light imaging, and its fast, accurate autofocus.

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