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The aLFA-C device is an advanced programmable interfacing ASIC developed specifically for space-borne infrared read-out integrated circuits (ROICs) and other image sensors. This product functions by substituting much of the infrastructure generally found in traditional front-end electronics. It operates on a single unregulated power supply through on-chip LDOs and regulators and is highly adaptable, supporting both external clock or crystal oscillator interfaces. The device communicates via the SpaceWire protocol and includes a fully programmable sequencer for ROIC, featuring eight levels of nesting for on-the-fly reprogrammability. It offers 32 programmable digital outputs that can be combined into 16 differential outputs across different formats such as CMOS, LVDS, or CML. Additionally, it boasts 16 programmable digital inputs that can be similarly reconfigured. The aLFA-C features intricate analog capabilities with 32 signal inputs plus four reference channels, equipped with 16-bit ADCs. These channels are noted for their low INL and DNL, enabling unsupervised calibration and post-correction. They can be parallelized or interleaved for enhanced operation speeds. This device is built to endure severe environments, offering TID, SEU, and SEL tolerance, functioning effectively across a wide temperature range from 35K to 330K.
FaintStar is an advanced sensor-on-a-chip designed by Caeleste, tailored for high precision applications such as medium-high accuracy star trackers and navigation cameras. Characterized by its 1020 x 1020 pixel configuration with a 10um pixel pitch, this sensor provides superior imaging capabilities required for accurate celestial navigation and rendezvous scenarios. The sensor incorporates 12-bit analog-to-digital conversion which enhances its precision in translating the captured light into digital signals, crucial for detailed image processing and analysis. Additionally, it offers flight-proven reliability with a technology readiness level 9 (TRL9), indicative of its operational success in environments approximating actual missions. FaintStar is radiation-tolerant, making it robust against total ionizing dose (TiD), proton, and other space-related radiation, thus assuring dependable performance in space conditions. It features a SpaceWire LVDS command and data interface, providing efficient data transfer capabilities, which, along with its ITAR-free status and ESCC evaluations, makes it a highly versatile and sought-after component for aerospace applications.
The ELFIS2 is a sophisticated visible light imager designed by Caeleste, incorporating a robust radiation-hard design to ensure reliability in demanding environments prone to radiation exposure. It features a true high dynamic range (HDR), enabling it to function effectively even in varied lighting conditions without compromising image quality. Additionally, its motion artifact-free (MAF) imaging ensures precision and clarity in capturing moving objects, a crucial requirement for dynamic applications. The sensor is equipped with a global shutter, enabling it to capture all pixels in the field of view concurrently, a feature that is paramount for high-speed imaging applications. The incorporation of backside illumination (BSI) optimizes the sensor's performance by enhancing sensitivity and reducing noise, thereby improving the overall image output quality. This imaging solution is particularly suitable for space and scientific imaging applications, where high-performance imaging is paramount. The ELFIS2's features make it ideal for applications that demand high fidelity and radiation resistance, truly standing out as a reliable component for cutting-edge imaging needs in challenging environments.
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