6.3 Technical data
LDC2xx / page 39
6.3.7 Individual data LDC220
Constant current mode:
Control range (continuously variable)
0 ...
±
2 A
Setting / measurement Resolution
0.1 mA
Accuracy
±
2 mA
Compliance voltage
> 4 V
Noise without ripple (10 Hz ... 10 MHz)
< 15
µ
A
Ripple (50/60 Hz, rms), typ.
< 5
µ
A
Transients
< 100
µ
A
Short-time fluctuations (15 s, 0 ... 10 Hz), typ.
< 2 mA
Temperature coefficient
≤
50 ppm/
°
C
Drift at constant ambient temperature (24 hours, 0 ... 10 Hz), typ.
≤
100
µ
A
Constant power mode:
Control range photodiode current
5
µ
A ... 2 mA
Setting accuracy
±
2
µ
A
Resolution photodiode current
0.1
µ
A
Resolution optical power
0.1 mW
Laser current limit:
Setting range
0 ... > 2 A
Setting accuracy
±
5 mA
Resolution
0.1 mA
Analog modulation/voltage control:
Input resistance
10 k
Ω
Small signal 3dB bandwidth (current control)
DC ... 50 kHz
Modulation coefficient (CC)
200 mA/V
Modulation coefficient (CP)
0.2 mA/V ± 5%
Control output:
Load resistance
≥
10 k
Ω
Transfer coefficient
5 V/A
±
5%
