high performance, back-illuminated frame transfer sensorĀ 

This version of the CCD55 family of CCD Sensors is normally used as a full-frame imaging device although the image area is split into two sections (A and B) that can be clocked separately if required for frame transfer operation. The CCD55 has a single serial output register that has separate charge detection circuits incorporated at each end. One output (A1) is intended for high-speed applications and has an associated dummy output. The maximum speed of this output is approximately 12 MHz when driven into a 10 pF load. At this frequency the output is sufficiently settled for reliable CDS. Operation up to 20 MHz should be achievable if incomplete settling can be tolerated. This output has a charge handling capacity of at least two binned pixels. The second output (A2) is designed for the lowest noise performance whilst still being able to handle the full well capacity of one pixel (approximately 450,000 electrons).

The CCD55 is intended as an upgrade to the CCD05 and is mostly pin compatible with the CCD05. The main features that have been upgraded are the output amplifiers which are now significantly lower noise and higher speed, the pixel full well capacity has been significantly enhanced, a register dump drain has been added and the new design is now compatible with the standard backthinning process.

Mission Heritage

Agency Mission Instrument
NRL, AFRL Coriolis / SMEI Solar Mass Ejection Imager (SMEI)
MOST (Ministry of Science and Technology (China)) TanSat - Global C02 Monitoring Satellite CarbonSpec (Carbon Dioxide Spectrometer)
CMA/NSMC FY-3E Polar Orbiting Satellite Total Ozone Unit (TOU) VIS Channel


Part Number CCD55-30
Sensor Type CCD
Resolution 1252 x 1152
Pixel Size 22.5 x 22.5 µm
Image Area 28.17 x 25.92 mm
Output Amp LN and HS
Package 44-pin Flat Ceramic
Total Pixels 1.44 MP
Readout Noise 6/5 e
Wavelength Category Visible (400-700 nm)
Near Infrared (700-1000 nm)

Relevant Applications

Earth Observation Imaging and Living Planet Sciences
Earth observation for resource, disaster and ocean monitoring and land mapping
Space Astronomy & Space Science
Imaging technology for orbiting telescopes, observatories, and the study of the universe

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