CROS, A.; RAMBAUD, Delphine; MOUTAYE, Emmanuel; RAVERA, Laurent; BARRET, D.; CAIS, Ph.; AND, All

doi:10.1117/12.2056712

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CROS, A.
Interactions et dynamique des environnements de surface [IDES]

RAMBAUD, Delphine

MOUTAYE, Emmanuel
Centre National d'Études Spatiales [Toulouse] [CNES]

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Proceedings of SPIE, the International Society for Optical Engineering, Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 914463; Montreal 22 au 27-06-2014,, Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 914463; Montreal 22 au 27-06-2014,, Space Telescopes and Instrumentation 2014, 2014, Montreal. 2014, vol. 9144, p. -

SPIE, The International Society for Optical Engineering

Résumé en anglais

We report on the development and characterization of the low-noise, low power, mixed analog-digital SIRIUS ASICs for both the LAD and WFM X-ray instruments of LOFT. The ASICs we developed are reading out large area silicon drift detectors (SDD). Stringent requirements in terms of noise (ENC of 17 e- to achieve an energy resolution on the LAD of 200 eV FWHM at 6 keV) and power consumption (650 μW per channel) were basis for the ASICs design. These SIRIUS ASICs are developed to match SDD detectors characteristics: 16 channels ASICs adapted for the LAD (970 microns pitch) and 64 channels for the WFM (145 microns pitch) will be fabricated. The ASICs were developed with the 180nm mixed technology of TSMC.< Réduire

Mots clés en anglais

mix ASIC

Xray

low power

low noise

CPA

shaper

LOFT

Analog Front End

high performance.

high performance

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The SIRIUS Mixed analog-digital ASIC developed for the LOFT LAD and WFM instruments

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