RED+2 Parameters with UltraDAS + SDSU Gen.3
Device Identification
| Chip name |
Red+2 |
| Year of manufacture |
2007 |
| Serial number |
06451-03-02 |
| Britannia number |
125952 |
| First light on La Palma |
18th February 2011 |
| 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) |
3730 |
2980
|
| Gain(e/ADU) |
0.91
|
1.84 |
| Noise(e) |
3.48
|
5.75 |
| Noise (ADU) |
3.83 |
3.12 |
Linear to(ADU)
{also see graphs below} |
<1% to 60K
|
<1% to 60K
|
| Readout time (s) IDS window [755:1119,1:4200] |
13 |
10 |
| Readout time(s) |
46
|
29 |
.
Windowing : available with no reduction in performance.
Binning : available with no reduction in performance.
| Vertical CTE |
>0.999999
|
| Horizontal CTE |
0.999998
|
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 |
| Cryostat window thickness |
4 mm |
| Distance from window to CCD |
|
| Cryostat window size |
30 mm x 60 mm |
Operational Parameters
| Flooding type |
none |
| Operating temperature |
158K
|
| Cool down time |
4 hours see graph |
| Preferred amplifier |
Right ( Left is good ) |
Measured Characteristics
This graph refers to RED+, however the RED+2 chip is identical.
| Dark current |
8 e/hour
|
| Cosmetics |
Column defects : |
 |
Detectors
Last Modified: 18 June 2013
|
|
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