Overview
Ice Bloc DDTC is an integrated precision diode driver and temperature controller for building laser-based photonic systems in research, experimental and production applications. Driving the latest generation of high power laser diodes, the DDTC combines high current, low noise output with high accuracy, high resolution current set points.
The temperature controller can control either a TEC or resistive heater with user-programmable output current, current polarity, voltage limits, PID feedback parameters and ramp time. Its compact form factor with customisable software interface allows easy integration of the DDTC with experiments or OEM setups.
Specifications
| DIODE DRIVER |
|
| Output current range |
0 - 5 A |
| Output compliance voltage range |
1.2 - 22 V |
| Output current noise density |
1A output: 280 nA and 5A output: 445 nA / √ Hz (DC to 100 kHz) |
| Current setting resolution |
1 mA |
| Current accuracy |
±0.1% |
| Current temperature stability |
75 ppm/°C |
| MODULATION |
|
| Input sensitivity |
0.1 A/V |
| Modulation range |
0 - 0.5 A above the set point |
| Modulation frequency response |
DC - 20 kHz |
| Input impedance |
840 Ω |
| Maximum safe input |
0 - 5.5 V (protected) |
| PHOTODIODE |
|
| Input impedance |
20 Ω (transimpedance) |
| Transimpedance gain range |
80 V/A – 20 k V/A |
| Maximum safe input |
±5 V (protected) |
| Input linear range |
±10 mA |
| Input resolution |
24 bits |
| TEMPERATURE CONTROLLER |
|
| Output voltage range |
1.2 V - 22 V |
| Output type |
Bi-directional, linear |
| Output current range |
0 – 5 A |
| Current limit range |
0.5 A – 5.5 A |
| Temperature set point resolution |
0.001 °K - typical value, steady state |
| Temperature control stability |
<1 mK |
| Set point temperature coefficient |
<5 ppm/°K |
| Temperature set point range |
-20.15 °C to +79.85 °C |
| NTC thermistor range |
10 kΩ - 100 kΩ |
| Extended thermistor range |
1 kΩ - 1 MΩ (slightly lower resolution) |
| AUXILIARY I/O |
|
| External auxiliary device power supply |
|
| Output voltage |
5.5 V |
| Maximum current |
200mA |
| Interlock |
|
| Open circuit voltage |
3.3V |
| Closed maximum resistance |
5.6 kΩ |
| Maximum safe input voltage |
±10 V |
| Emission LED |
|
| Output voltage |
+5.5 V |
| Current limiting resistance |
360 Ω |
| GENERAL |
|
| Mains input voltage |
100-240 V AC, 50/60 Hz, 350 VA (typical power: 15 W) |
| Size (W x H x D) |
Half rack (203mm) x 2U (89mm) x 345mm (8” x 3.5” x 13.6”) |
| Weight |
4.1 kg |
| Operating temperature |
0 °C to 70 °C |
| Storage temperature |
-20 °C to 85 °C |
| Relative humidity |
<90 % humidity, non-condensing |
| Indoor/outdoor use |
Indoor use only |
| Altitude |
<2000 m |
