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Cypress has announced a high-sensitivity, high-speed CMOS image sensor for the high-end machine vision market. The new 2.5 megapixel VITA25K sensor has the largest data throughput capability of a single device on the market with a pipelined and triggered global shutter. The sensor has 32 10-bit digital low-voltage differential signaling (LVDS) outputs that allow image data to be transmitted with low power and low noise through standard industrial protocols. Each channel operates at 620 Mbps, resulting in an undistorted high frame rate and fast readout of 53 frames per second (fps). The VITA25K is ideal for high-end machine vision applications, such as inspection machines, biometrics (such as next-generation palmprint readers), and intelligent transportation systems.
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The VITA25K sensor has an optical size of 35mm and has a monochrome or color output. The pipelined global shutter can be exposed during reading to reduce blurring caused by motion. The sensor also works in rolling shutter mode, reducing noise and increasing dynamic range through correlated double sampling (CDS). The customer can divide the image of the sensor image into up to 32 areas of interest as needed for more detailed observation.
The new VITA25K sensor expands the coverage of the 1.3 megapixel VITA1300 series, and the products in the series are currently sampling and are expected to be available later this year. Cypress demonstrated its industry-leading custom and standard CMOS image sensor solutions at booth #51 of the 2010 Image Sensing Exhibition in Osaka, Japan from June 9th to 11th.
Georges Hiltrop, General Manager of Cypress's Image Sensors Division, said: "Cypress has established a leadership position in the machine vision market by providing faster, more sensitive CMOS image sensors such as the VITA25K. The new sensor combines the leading-edge data throughput capabilities of a pipelined shutter with a range of dynamic capabilities to meet the most demanding application requirements, and Cypress has the most powerful customer service capabilities to support."
The VITA25K sensor has 5120 x 5120 effective pixels and a pixel size of 4.5 μm x 4.5 μm. The image sensor integrates a programmable compensation and gain amplifier for each LVDS output channel. Customers can achieve higher frame rates through the sensor's window or sub-sampling readout mode, and the sensor can be programmed through an SPI interface. An on-chip timing generator generates all internal exposure and readout timing. The sensor allows multiple slopes to be set to achieve an extended optical dynamic range, thus achieving good contrast in the shaded areas of the image without saturation overflow in the bright areas of the image. The VITA25K sensor also features a 10-bit on-chip analog-to-digital converter (ADC) for digital output and on-chip timing control for easy application development.
Samples of the VITA25K image sensor are currently available, and the device is expected to be in volume production in the first half of 2011.
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