NIR Image Sensor Trims Power In 3D Applications
By Mat Dirjish
The CGSS130 from ams is described as an ultra-sensitive NIR image sensor that could incur significant power savings in mobile 3D optical sensing systems. Demonstrated at CES, the CGSS130 is tailored for 3D optical sensing applications like face recognition and payment authentication.
According to the company, the sensor is four times more sensitive to NIR wavelengths than comparable image sensors on the market. It exhibits a high quantum efficiency at the NIR wavelengths, up to 40% at 940 nm, and up to 58% at 850 nm. A backside-illumination (BSI) process used to fabricate the sensor enables a small die footprint measuring 3.8 mm x 4.2 mm. Pixel size is 2.7 µm.
The sensor produces monochrome images with an effective pixel array of 1080H × 1280V at a maximum frame rate of 120 fps. It also specifies a high dynamic range (HDR) mode where it achieves a dynamic range of more than 100 dB. Other features include external triggering, windowing, and horizontal or vertical mirroring.
The CGSS130 is available now for sampling. For deeper insights and illuminations, procure and peruse the CGSS130 datasheet.
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