STMicroelectronics VD55G0 and VD56G3 global-shutter image sensors

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STMicroelectronics is enabling smart computer-vision applications with high-speed image sensors that use ‘global shutter’ — a method for capturing distortion-free images when the scene is moving or when near-infrared illumination is needed.

ST’s image-sensor process technologies enable good pixel size while offering both high sensitivity and low crosstalk. The combination of silicon process innovation and advanced pixel architecture allows a small sensor pixel array on the top die, while keeping more silicon area on the bottom die to increase digital-processing capabilities and features.

The sensors include the VD55G0 with 640 x 600 pixels and the VD56G3 with 1.5 MP (1124 x 1364). Measuring 2.6 x 2.5 mm and 3.6 x 4.3 mm, respectively, the VD55G0 and VD56G3 are said to be the smallest on the market in relation to resolution. Low pixel-to-pixel crosstalk at all wavelengths, specifically near-infrared, ensures high contrast for good image clarity. Embedded optical-flow processing in the VD56G3 calculates movement vectors, without the need for host computer processing.

The sensors are suitable for a wide range of applications, including augmented and virtual reality (AR/VR), simultaneous localisation and mapping (SLAM), and 3D scanning.

For more information: www.st.com/imaging.