Sensors

1080p image sensor with Nyxel NIR for surveillance market

20th January 2021
Alex Lynn

OmniVision Technologies has announced a 2.9 micron, 1080p image sensor that provides a high value option for adding the premium near-infrared (NIR) and ultra low light performance of its Nyxel and PureCel Plus technologies to mainstream surveillance cameras.

This sensor also offers multiple high dynamic range (HDR) options for the best quality 1080p still and video captures of fast-moving objects at 60 frames per second. Additionally, when paired with the designer’s selected platform, the OS02H10 can enable a system ultra low power mode for battery-powered cameras with AI functionality.

“Mainstream surveillance camera designers are looking for the ideal the combination of low power consumption and high performance over a wide range of lighting conditions, to enable AI algorithm recognition of faces and objects,” said Cheney Zhang, Senior Marketing Manager for the security segment at OmniVision. “The OS02H10 provides a high value option for adding premium NIR, ultra low light and HDR performance to high volume, mainstream security systems with AI functionality, along with an ultra low power mode that consumes 97.7% less power than the normal mode to support long battery life.”

By combining OmniVision’s NIR Nyxel technology with its PureCel Plus technology and multiple HDR options, the OS02H10 works equally well in all lighting conditions. It can detect incident light in both the visible and NIR wavelengths, while producing precise color and monochrome images for security applications.

Nyxel technology infuses the OS02H10 with exceptional quantum efficiency (QE), which enables it to see better and farther at both the 850nm and 940nm NIR wavelengths. The QE also enables the use of lower-power IR illumination in total darkness, resulting in significantly reduced system-level power consumption.

Additionally, 940nm NIR lighting cannot be detected by the human eye in dark indoor settings, while 850nm light is well suited for outdoor security cameras. The OS02H10’s ability to capture crisp, clear images using undetectable 940nm NIR light means that indoor security cameras will not disturb sleeping occupants and can be easily concealed from intruders.

The OS02H10 is also built on the PureCel Plus pixel architecture to achieve a superior low-noise design, providing an SNR1 that is 70% better than OmniVision’s prior-generation 1080p, 2.8 micron mainstream security sensor.

Additionally, this new sensor also offers excellent HDR through selective conversion gain for the optimum balance between low-light image quality and HDR, along with two-exposure staggered HDR timing for minimal artifacts. These features provide designers with maximum flexibility to select the best HDR method for the contrasting light and dark areas in a given scene.

Samples of the OS02H10 image sensor are available now.

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