CES 2018: Image sensor designed for IoT, AR/VR and security cameras

9th January 2018
Posted By : Lanna Cooper
CES 2018: Image sensor designed for IoT, AR/VR and security cameras

ON Semiconductor has announced a new 1/3.2" Back Side Illuminated (BSI) 4MP CMOS digital image sensor. The AR0430 delivers 120 frames-per-second (fps) performance supporting slow-motion video in 4MP mode. The sensor’s embedded functionality allows customers to capture a colour image and simultaneous depth map from a single device; a feature that is normally only possible when using a second sensor for independent depth mapping.

The AR0430 is suitable for use in Internet of Things (IoT) applications including wearable devices, AR/VR products and other designs including video doorbells and security cameras. The design and feature set of the new image sensor resulted in its selection as an Awards Honoree in the Embedded Technologies category of the CES 2018 Innovation Awards.

Simultaneous video and depth mapping is enabled by ON Semiconductor’s Super Depth technology. Techniques in the sensor, Colour Filter Array (CFA) and the micro-lens create a data stream containing both image and depth data. This data is combined via an algorithm to deliver a 30fps video stream and depth map of anything within one metre of the camera.

This allows capabilities such as interpretation of hand gestures to control smart IoT devices as well as the creation of simple 3D models for AR/VR use.

The AR0430 has an active-pixel array of 2,316x1,746, giving a 4:3 aspect ratio. The device offers low power performance of just 125mW when operating with a 4MP data stream at 30fps; this reduces to just 8mW in low power monitoring mode - especially valuable in battery-powered applications.

In standard imaging mode, the CMOS sensor is able to deliver high quality imaging in both daytime and night time lighting conditions, enhancing its suitability for use in security cameras.

Designers will benefit from the AR0430’s significant configuration flexibility including the ability to programme gain, horizontal and vertical blanking, frame size/rate, exposure, image reversal, window size and panning. Other features include an electronic rolling shutter, support for an external mechanical shutter, an on-chip temperature sensor for compensation, and three on-die Phase-Locked-Loops (PLLs) for super low noise performance.

“The AR0430 offers impressive imaging performance across all light levels with great natural dynamic range to ensure clear images, even in shadowy areas. However, what really sets it apart is simultaneous depth mapping capability,” said Gianluca Colli, VP and GM of Consumer Solution Division at ON Semiconductor.

“This is unprecedented in a single-sensor solution and, along with the low power consumption, opens up a multitude of interactive IoT and AR/VR applications. Now our customers can use a single camera where two, with all the design, cost and implementation issues, would have been required in the past. We are honored to be recognised at CES 2018 for this unique technology.”

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