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The aLFA-C is a programmable interfacing ASIC designed specifically for space-borne infrared ROICs and other image sensors. It significantly reduces the need for traditional front-end electronics by integrating essential functions onto a single chip. A standout feature includes its capability to operate with a single unregulated supply, aided by on-chip LDOs and regulators. aLFA-C offers extensive programmability, including a fully programmable sequencer for ROIC interfacing, and supports various digital output configurations such as CMOS, LVDS, or CML. It includes SPI interfaces for seamless image sensor integration and features analog acquisition over multiple channels, with high precision 16-bit ADCs, allowing parallel or interleave configuration for flexible data handling speeds. This ASIC is equipped with several measurement capabilities for resistance, voltage, and current, and provides programmable voltage and current sources. With resilience against TID, SEU, and SEL, it's highly reliable in harsh space environments. It's operational over a wide temperature range from 35K to 330K, suitable for varied applications in extreme conditions.
ELFIS2 is a sophisticated visible light imaging ASIC designed to deliver superior performance under the extreme conditions typical in space. Known for its radiation hard design, it withstands both total ionizing dose (TID) and single event effects (SEU/SEL), ensuring dependable operation even when exposed to high radiation levels in outer space. This image sensor features HDR (High Dynamic Range) capabilities, which allow it to capture clear, contrast-rich images in environments with varying light intensities, without motion artifacts thanks to its Motion Artifact Free (MAF) technology. Additionally, its global shutter ensures that every pixel is exposed simultaneously, preventing distortion in high-speed imaging applications. Utilizing back-side illumination (BSI), the ELFIS2 achieves superior sensitivity and quantum efficiency, making it an ideal choice for challenging lighting conditions. This combination of advanced features makes the ELFIS2 particularly well-suited for scientific and space-based imaging applications requiring exacting standards.
FaintStar is an innovative sensor-on-a-chip designed for applications requiring medium to high accuracy, such as star trackers and navigation cameras. It boasts a 1020 x 1020 pixel configuration with a 10um pitch and features 12-bit A-to-D conversion. The device is flight-proven with Technology Readiness Level 9, incorporating 'light-to-centroids' image processing. FaintStar is equipped with a SpaceWire LVDS command/data interface, supporting speeds of 40Mb/s and 80Mb/s, ensuring swift data transmission critical for space missions. Its radiation tolerance includes TiD, proton, and SEE data mitigations, making it suitable for demanding space environments. Importantly, it is ITAR-free and complies with ESCC 2269000 and ESCC 9020 standards for flight model procurement. This sensor is an exceptional choice for space missions needing reliable and accurate imaging capabilities, leveraging Caeleste's advancements in sensor technology to push the boundaries of what these systems can achieve.
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