The Development And Use Of The HAWAII 2RG Array And SIDECAR ASIC For 1 - 5 Micron IR Observations With A Preview Of The Coming HAWAII 4RG-15.

Details The Development And Use Of The HAWAII 2RG Array And SIDECAR ASIC For 1 - 5 Micron IR Observations With A Preview Of The Coming HAWAII 4RG-15. The Development And Use Of The HAWAII 2RG Array And SIDECAR ASIC For 1 - 5 Micron IR Observations With A Preview Of The Coming HAWAII 4RG-15.

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21742507h&link_type=abstract

American Astronomical Society, AAS Meeting #217, #425.07; Bulletin of the American Astronomical Society, Vol. 43, 2011

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The University of Hawaii - Teledyne Imaging Sensors partnership developed the HAWAII 2RG (H2RG) hybrid array and SIDECAR ASIC specifically for the three near-IR instruments of NASA’s James Webb Space Telescope while allowing for broader applications. Key characteristics that have made the H2RG the choice for 1- 5 μm astronomy from the ground and in space are:
1)The 4 Mpxl 2048x2048@18μm format with mosaic buttability.
2)The <0.01 e-/sec dark current and 80 - 90% QE of Teledyne’s standard λc 1.7, 2.5 and 5.2 μm MBE HgCdTe.
3)Single CDS read noise 10 rms e- @ 100 KHz.
4)32 channel outputs at 200-400 KHz (16-bit) to 5-10 MHz (12-bit).
5) Reference pixels and guide window.
H2RG arrays, both singly and as small mosaics, are being integrated into JWST instruments and are in operation in numerous ground based telescopes. Much larger mosaics are in the demonstration phase.
The SIDECAR ASIC incorporates all the usual control and data handling functions (36 channels) into a single, low-power cryogenic chip that can be co-located in the focal plane while requiring only digital communications, power and a master clock. These characteristics are vital for JWST and future large mosaic focal planes. Although designed specifically for the H2RG, the SIDECAR was successfully adapted to operate the CCDs in the Hubble Space Telescope Advanced Camera for Surveys.
A new HAWAII 4RG-15 (H4RG-15) readout is now in fabrication and characterization of the first hybrid arrays is scheduled for early 2011. The key goal is 16 Mpxl 4096x4096@18μm format at significantly reduced price per pixel over the H2RG. Other augmentations are 64 outputs, improved reference output and pixels and a buttable silicon carbide package by GL Scientific.
NASA’s support of the H2RG and SIDECAR programs and NSF’s of the H4RG-15 development are gratefully acknowledged.

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