AUXCAM Parameters with UltraDAS + SDSU Gen.3
Device Identification
| Chip name |
AUXCAM |
| Year of manufacture |
2007 |
| Serial number |
06451-03-01 |
First light on La Palma
|
November 2007
|
|
Description
|
Deep Depletion with additional fringe suppression and an AR coating
peaking at 900nm Chip type CCD44-82-1-D23
|
Operational Characteristics
| Speed |
Slow |
Fast |
| Bias(ADU) |
1900
|
1020 |
| Gain(e/ADU) |
0.92
|
1.86
|
| Noise(e) |
2.8 to 3.7
|
4.7 to 6.5 |
| Noise (ADU) |
3.0 to 4.0 |
2.5 to 3.5 |
| Linearity |
1.5% over full range
|
0.7% over full range
|
| Full frame readout times(s) |
46 |
27 |
| 2K x 2K readout time(s) |
23
|
14 |
The detector noise will be somewhere in the range of values
shown above, these values were measured at the telescope.
Windowing : available with no reduction in performance
Binning : available with no reduction in performance
| Vertical CTE |
>0.999999
|
| Horizontal CTE |
>0.999999
|
Physical Characteristics
| X Pixel size |
15 microns |
| Y Pixel size |
15 microns |
| X size in pixels of digitised area |
2148
|
| Y size in pixels of digitised area |
4200 |
| X size of useful imaging area |
2048 |
| Y size of useful imaging area |
4096 |
| X start of useful imaging area |
50 |
| Ystart of useful imaging area |
1 |
| LN2 capacity of cryostat |
2.5 litres |
| Distance from back of window to CCD |
The distance from back of window surface (vertex point) to CCD is
11.37mm |
| Cryostat window |
Auxcam has an active cryostat window both
surfaces are curved, it has a concave shape. |
Operational Parameters
| Flooding type |
none |
| Operating temperature |
158K
|
| Preferred amplifier |
LEFT
|
Measured Characteristics
These graphs refer to RED+, however the
AUXCAM chip is identical.
| Dark current |
<4e/hour
|
| Cosmetics |
dark column: none bright defects: none |
| 
