7
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
LD2TC5
LD5TC10
UNIT
NOTE
TEMPERATURE CONTROLLER
Maximum Output Current
5
10
A
Maximum Compliance Voltage [1]
15
V
LASER DIODE DRIVER
Maximum Output Current
2
5
A
Maximum Compliance Voltage [1]
10
V
LASER DRIVER SPECIFICATIONS
LD2TC5
LD5TC10
UNIT
NOTE
Cumulative Noise (RMS)
7
16
μA
RMS
Measured from 1 Hz to 100 kHz
Noise Current Density
30
50
nA / √Hz
Output Current Stability
125
ppm
Free-air, ambient conditions
Output Current Temperature Coefficient
75
ppm / ºC
Full scale
Modulation Bandwidth, CC Mode
450
kHz
Modulation Bandwidth, CP Mode
10
Hz
Rise/Fall Time, CC Mode
800
ns
To full scale
Rise/Fall Time, CP Mode
25
ms
To full scale
Slew Rate
6
V / μs
Depth of Modulation
90
%
At 150 kHz
Input Impedance
2.5
kΩ
External Modulation Input Range
-5 to +5
V
Sums with onboard setpoint
External Modulation Input Damage Threshold
±6
V
Current Limit Range
0 to 101
%
Leakage Current
<1
μA
Measured with unit on and setpoint at zero
Current Monitor Offset: Zero Output Current
<1
mV
Constant Power Photodiode Range Options
500 μA, 5 mA, 10 mA
Constant Power Photodiode Bias Voltage
On / Off
Laser Turn-On Delay
0 to 3
s
Adjustable via remote commands
Laser Slow Start Ramp
10-25
ms
Feedback
Constant Current or
Constant Power
Setpoint Resolution
18
bits
Display Accuracy Measurement Resolution
16
bits
External Setpoint Accuracy
0.25
%
External setpoint to real output current
Current Monitor Accuracy (front panel display)
0.25
%
IMON to real output current
Accuracy, ISET vs. Actual Current
0.25
%
Accuracy, Analog Setpoint Monitor
0.25
%
between 10 & 90% of full scale
[1] With current sources, the voltage developed across the load (laser or thermoelectric) is not driven by the controller, but by Ohm's Law
and the resistance of the load.