Red+ Parameters with UltraDAS
Device Identification
| Chip name | Red+ |
| Year of manufacture | 2006 |
| Serial number | 05515-03-01 |
| First light on La Palma | November 2006 |
| Description | Deep Depletion with additional fringe suppression and
an AR coating peaking at 900nm Chip type CCD44-82-5-D23 |
Operational Characteristics
| Speed | Slow | Fast |
| Bias(ADU) | 3204 |
2275 |
| Gain(e/ADU) | 0.98 |
1.9 |
| Noise(e) | 4.5 |
5.0 |
| Noise (ADU) | 4.6 | 2.6 |
| Linear to(ADU) {also see graphs below} |
<1% to 60K |
<1% to 60K |
| Readout time(s) | 46 |
29 |
Windowing : available with no reduction in performance
Binning : available with no reduction in performance
| Vertical CTE | 0.99999 |
| Horizontal CTE | 0.999984 (marginal) |
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 |
| Preferred amplifier | LEFT |
Measured characteristics
| Dark current | <8e/hour |
| Cosmetics | dark column: 85,1249 bright defects: none |
This page last updated : 11th December 2006
awr@ing.iac.es