The SIDECAR ASIC - Focal plane electronics on a single chip

Markus Loose, James Beletic, John Blackwell, James Garnett, Selmer Wong, Don Hall, Shane Jacobson, Marcia Rieke, Greg Winters

Research output: Contribution to journalConference articlepeer-review

36 Scopus citations


Traditionally, focal plane arrays require extensive external focal plane electronics (FPE) to provide clocks and biases as well as to digitize the analog output signals. The FPE has to be well-designed and is typically large, heavy and powerhungry. Most importantly, the FPE has to be placed some distance away from the FPA, which complicates maintaining low noise performance throughout the complete system. To offer an alternative to the discrete electronics, Rockwell Scientific has developed a new approach known as the SIDECAR application-specific integrated circuit (ASIC). This single chip provides all the functionality necessary to operate an infrared array with the convenience of a pure digital interface to the outside world. This paper will present performance data on the latest generation of the SIDECAR ASIC operating the JWST H2RG detector arrays at cryogenic temperature. The test results demonstrate that an ASIC based FPA system will meet or exceed all performance requirements for the JWST mission. The SIDECAR ASIC has been selected by NASA to become the FPA drive electronics for all shortwave infrared instruments on JWST.

Original languageEnglish (US)
Article number59040V
Pages (from-to)1-10
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2005
EventCryogenic Optical Systems and Instruments XI - San Diego, CA, United States
Duration: Aug 1 2005Aug 2 2005


  • A/D Conversion
  • ASIC
  • Focal Plane Array
  • Focal Plane Electronics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


Dive into the research topics of 'The SIDECAR ASIC - Focal plane electronics on a single chip'. Together they form a unique fingerprint.

Cite this