Digital butterfly anode-grounded laser diode controller
![CTL20 Digital butterfly anode-grounded laser diode controller CTL20 Digital butterfly anode-grounded laser diode controller](https://assets.koheron.com/images/products/ctl20/CTL20.jpg?01072024141256)
![CTL20 Digital butterfly anode-grounded laser diode controller CTL20 Digital butterfly anode-grounded laser diode controller](https://assets.koheron.com/images/products/ctl20/CTL20.jpg?01072024141256)
![CTL20 Digital butterfly anode-grounded laser diode controller user interface CTL20 Digital butterfly anode-grounded laser diode controller user interface](https://assets.koheron.com/images/products/ctl20/CTL20-B7_user-interface.png?01072024141256)
![CTL20 Digital butterfly anode-grounded laser diode controller current noise density CTL20 Digital butterfly anode-grounded laser diode controller current noise density](https://assets.koheron.com/images/products/ctl20/CTL20_current-noise-density.png?01072024141256)
![CTL20 Digital butterfly anode-grounded laser diode controller one hour current stability CTL20 Digital butterfly anode-grounded laser diode controller one hour current stability](https://assets.koheron.com/images/products/ctl20/CTL20_one-hour-current-stability.png?01072024141256)
Koheron CTL20 is a digital laser diode controller with the following features:
- Anode-grounded current driver
- -3 V to 3 V / 1.2 A TEC controller
- 7-pin butterfly laser diode packages
- -40 °C to 85 °C operating temperature range
Quantity | Price |
---|
Resources
Specifications
100 | 200 | |
---|---|---|
Current driver | ||
Laser current | 2.5 mA to 110 mA | 5 mA to 220 mA |
Laser current resolution | 2.5 µA | 5 µA |
Compliance voltage | 2.5 V | 2.5 V |
RMS noise(10 Hz to 1 MHz) | 45 nArms | 60 nArms |
Current noise density(1 kHz) | 80 pA/√Hz | 160 pA/√Hz |
Temperature coefficient | 50 ppm/°C | 50 ppm/°C |
TEC controller | ||
Compliance voltage | -3 V to 3 V | -3 V to 3 V |
Maximum current | 1.2 A | 1.2 A |
Temperature stability | 0.002 °C/°C | 0.002 °C/°C |
Laser power monitor | ||
Photodiode current | 0 mA to 2.5 mA | 0 mA to 2.5 mA |
Power supplies | ||
Positive supply voltage | 3.5 V to 5.5 V | 3.5 V to 5.5 V |
Positive supply quiescent current | 20 mA | 20 mA |
Positive supply maximum current | 1.5 A | 1.5 A |
Negative supply voltage | -5.5 V to -5.0 V | -5.5 V to -5.0 V |
Negative supply quiescent current | 5 mA | 5 mA |
Negative supply maximum current | 140 mA | 250 mA |
Other | ||
Outside dimensions | 96 mm x 42 mm x 28 mm | 96 mm x 42 mm x 28 mm |
Weight | 65 g | 65 g |
Operating temperature | -40 °C to 85 °C | -40 °C to 85 °C |
Compatible lasers | Floating and anode-grounded diodes | Floating and anode-grounded diodes |
More Laser drivers
Current driver
Current stability
The figure below shows the current stability over 1 hour of a CTL20-2-200 controller operated at 200 mA.
![CTL20 Digital butterfly anode-grounded laser diode controller one hour current stability CTL20 Digital butterfly anode-grounded laser diode controller one hour current stability](https://assets.koheron.com/images/products/ctl20/CTL20_one-hour-current-stability.png?01072024141256)
The figure below shows the Allan deviation of CTL20 controllers operated at their rated current.
![CTL20 Digital butterfly anode-grounded laser diode controller allan deviation CTL20 Digital butterfly anode-grounded laser diode controller allan deviation](https://assets.koheron.com/images/products/ctl20/CTL20_allan-deviation.png?01072024141256)
Current noise
The figure below shows the current noise of CTL20-2 controllers. The CTL20-2-200 current is measured at 200 mA across a 10 Ω load, and the CTL20-2-100 at 100 mA across a 20 Ω load.
![CTL20 Digital butterfly anode-grounded laser diode controller current noise density CTL20 Digital butterfly anode-grounded laser diode controller current noise density](https://assets.koheron.com/images/products/ctl20/CTL20_current-noise-density.png?01072024141256)
Temperature stability
The figure below shows the relative variation of the output current against the ambient temperature for CTL20 controllers operating at their rated current.
![CTL20 Digital butterfly anode-grounded laser diode controller temperature coefficient CTL20 Digital butterfly anode-grounded laser diode controller temperature coefficient](https://assets.koheron.com/images/products/ctl20/CTL20_temperature-coefficient.png?01072024141256)