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PI0512WSN Datasheet(PDF) 1 Page - AMI SEMICONDUCTOR |
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PI0512WSN Datasheet(HTML) 1 Page - AMI SEMICONDUCTOR |
1 / 8 page PI0128WSN, PI0256WSN, PI0512WSN 50-mm-Pitch Wide Aperture Spectroscopic Photodiode Arrays Engineering Data Sheet Page 1 of 8 Revised March 21, 2002 Description Peripheral Imaging Corporation's WSN series is family of self-scanning photodiode solid-state linear imaging arrays. These photodiode sensors employ PIC’s proprietary CMOS Image Sensing Technology to integrate the sensors into a single monolithic chip. These sensors are optimally designed for applications in spectroscopy. Accordingly, these sensors contain a linear array of photodiodes with an optimized geomet- rical aspect ratio (50-mm aperture pitch x 2500-mm aperture width) for helping to maintain mechanical stability in spectroscopic instruments and for providing a large light-capturing ability. The family of sensors consists of photodiode arrays of various lengths, 128, 256, and 512 pixels. The WSN photodiode arrays are mounted in 22-pin ceramic side-brazed dual-in-line packages that fit in standard DIP sockets. A diagram of its pinout configu- ration is seen in Figure 1. Features · 65-pC saturation capacity for wide dynamic range. · Wide spectral response (180 – 1000 nm) for UV and IR response. · NP junction photodiodes with superior resistance to UV damage. · Low dark current. · Integration time up to 9 seconds at room tempera- ture. · Integration time extended to hours by cooling. · High linearity. · Low power dissipation (less than 1 mW). · Geometrical structure for enhanced stability and registration. · Standard 22-lead dual-in-line IC package. Figure 1. Pinout configuration. Sensor Characteristics The Peripheral Imaging Corporation's self-scanned WSN photodiodes are spaced on a 50-mm pitch. The line density is 20 diodes/mm and accordingly the overall die lengths of the different arrays vary with the number of photodiodes. For example, the 128-pixel array is 6.4-mm long, the 256-pixel array is 12.8-mm long, and the 512-pixel array is 25.6-mm long. Each array has four additional dummy photodiodes. On each side, there are one dark (non-imaging) dummy photo- diode and one imaging dummy photodiode. The height of the sensors is 2500 mm. The tall, narrow apertures make these sensors desirable for use in monochro- mators and spectrographs. Peripheral Imaging Corporation ™ |
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