CMOS Image Sensor EVS250K Description Block Diagram Asynchronous Random - access MOS Im age Sensor ARAMIS EVS250K is a user- friendly CMOS sensor using a patented architecture developed by ElecVision in order to sim plify products. its integration Different into from ! ! computer- based classic CCD "#$ image ( % ARAMIS EVS250K im age sensor sensors or som e newly introduced CMOS image sensors, im age can * integrated provide a fully clock- less and X- Y addressed This permits null interface circuit to connect the sensor or simple to a com puter or DSP. Furtherm ore,it incorporates an array of 512x 512 pix els with 511x 492 effective im age readout. pix els and an on- chip am plifier and ADC as well. ' ( ' ( ! & & ! ' () Besides, a wide range continuous full fram e electronic shutter control ability (from 1us to 255m s) eliminates the need of many optical devices such as diaphragm and m echanical shutter Specification This is particularly interesting to com pact and econom ic products such as videophone- oriented cam era m odule, telesurveillance, car Pixel Pitch: vision square pix el system s, consum er products, high- tech toy and so on. 12.1um x 12.1um CMOS active Pixel Number: 512x 512 pix els with 511x 492 effective pix els Key Features Optical Size: 6.19m m x 6.19m m Sensitivity: 9V/ lux .s z 511x 492 effective pix els Spectrum Span 400~1100 nm z On- chip in- pix el analog fram e- buffe Dark Current z Clock- less 25m V/ s @ 25 C Readout speed: 10Mpix els/ s ADC: On- chip 8- bit A/ D converter Power supply: 5.0v Electronic shutter: Full fram e shutter Color filter: Bayer’s Package: LCC- 48 package and X- Y addressed im age readout z On- chip integrated video am plifier z On- chip 8- bit A/ D converter z Fit for 1/ 2” lens z Low power dissipation ( < 200m W) z Wide range continuous full fram e electronic shutter z Internal Black reference z LCC- 48 package o !" #$%&'()%*+,#$%&'()-') ./#/01/