2M pixel sensor has doubled sensitivity for low light industrial applications

2M pixel sensor has doubled sensitivity for low light industrial applications

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Using a new-generation 3.75 µm pixel, Sony’s 1/2” IMX385 Full HD sensor relies on the company's super high conversion gain technology to deliver high image quality even in low light conditions, with a sensitivity doubled (2350 mV) compared to the IMX185.
By Julien Happich


The new “Super High Conversion Gain” technology uses a floating diffusion with a lower capacity, which leads to a higher conversion gain. Thanks to this, a higher voltage and therefore higher sensitivity is achieved even at for low amount of charge in the pixel due to a low number of incident photons. Available from the image processing specialist Framos, the sensor achieves an excellent SNR1s of 0.13 lx. This high performance is also supported by the combination of an extended high dynamic range (HDR) and increased sensitivity in the infrared range. Digital overlap HDR (DOL-HDR) delivers the data from three exposures on a line-by-line basis rather than frame by frame, resulting in improved picture quality, especially under poor light conditions, compared to multi-exposure HDR.
The IMX385 image sensor offers a versatile interface. Depending on the application, either the LVDS interface with up to 8 channels or the MIPI D-PHY interface with up to 4 lanes can be used. Engineering samples of the IMX385 and evaluation boards are available from Framos for design preparation. Mass production will begin in July 2017.

Framos – www.framos.com

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