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The aLFA-C ASIC product serves as a highly programmable interface for space-borne infrared read-out ICs and other imaging sensors, designed to replace much of the necessary infrastructure found in traditional front-end electronics. This versatile ASIC can operate on a single, unregulated supply owing to its on-chip LDOs and regulators, and supports connectivity through a SpaceWire interface. The device is equipped with a fully programmable sequencer interfacing with the read-out ICs, capable of handling 8 levels of nesting and allowing reprogramming on the fly. The ASIC also supports 32 programmable single-ended digital outputs that can be combined to form 16 differential outputs in various signal formats like CMOS, LVDS, or CML, enhancing integration flexibility. For precision and adaptability, the aLFA-C includes a robust analog acquisition system consisting of 36 channels with differential/single-ended analog inputs and 16-bit ADCs. These components ensure high fidelity data acquisition and conversion, crucial in specialized use-cases. Additional features like resistance, voltage, and current measurement capabilities, as well as tolerance to radiation-induced events, further underline its suitability for complex space applications, maintaining full functionality across extreme operational temperatures from 35K to 330K.
The FaintStar sensor is engineered primarily for medium to high precision star tracking applications, including navigation and rendezvous tasks in aerospace settings. Characterized by its 1020 x 1020 pixel array and a 10μm pitch, it includes 12-bit A-to-D conversion, ensuring significant detail in imaging precision. The sensor’s design is robust and reliable, evident in its Flight-proven Technology Readiness Level 9 (TRL9) status, affirming its tested and trusted use in critical missions. An important feature of the FaintStar is its 'light-to-centroids' image processing capability, which is highly attuned to the needs of aerospace navigation, providing accurate and reliable data processing needed for space applications. The sensor includes connectivity options via a SpaceWire LVDS command/data interface, capable of 40Mb/s and 80Mb/s speeds, facilitating seamless communication. Its construction is specifically tailored to withstand the challenging conditions of space, highlighting radiation tolerance including Total Ionizing Dose (TiD), proton sensitivity, and Single Event Effects (SEE) data are verified. Being ITAR-free enhances its accessibility for international collaborations, while it meets the standards set by ESCC 2269000-evaluated and ESCC 9020 flight model procurement, ensuring compliance and reliability in operational use.
The ELFIS2 is a cutting-edge visible light imager, offering advanced performance through its radiation-hard design, making it ideal for harsh environments such as those found in space exploration and high-risk scientific endeavors. The sensor is equipped with features like a True High Dynamic Range (HDR), ensuring excellent color and detail representation across various lighting conditions, as well as Motion Artifact Free (MAF) imaging facilitated by its Global Shutter technology. This sensor adopts a Back-Side-Illumination (BSI) technique, enhancing sensitivity and efficiency by allowing more light to reach the photodiode surfaces, critical for high precision applications. Additionally, its aptness for environments with high radiation exposure due to its Total Ionizing Dose (TID) and SEL/SEU resilience further assures consistent reliability and quality in challenging conditions. ELFIS2's superior design also focuses on minimizing interference and maximizing clarity, making it a robust solution for applications demanding top-tier image quality and operational reliability. Its use in advanced imaging systems underscores Caeleste’s commitment to providing state-of-the-art technology that fulfills demanding requirements, cementing their status as a leader in custom sensor design.
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