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General Information
Specifications
All performance specifications after 1 hour warm-up at 25
◦
C ambi-
ent.
Laser diode current source
LDC500
LDC501
LDC502
Units
Output current
Range, high
0–100
0–500
0–2000
low
0–50
0–250
0–1000
mA
Setpoint resolution
1
10
100
μ
A
Accuracy
±
10
±
50
±
200
μ
A
DC output impedance
1
M
Ω
min
Thermal drift
±
10
ppm
/
◦
C max
Short-term stability (1 hr)
±
5
ppm FS
Long-term stability (24 hr)
±
15
ppm FS
Noise density [1]
high range
0.7
3.5
12.5
low range
0.4
1.8
6.3
nA
/
√
Hz typ.
Wide band noise [2]
high range, high BW
0.9
4.5
25
high range, low BW
0.6
1.5
5.0
low range, high BW
0.5
2.3
10
low range, low BW
0.3
1
3.5
μ
A rms max
Power fail transient [3]
1
1
5
mA max
Compliance voltage
Range
0.1–10
V
Resolution
10
mV
Accuracy
+
0
.
2
V
Output current limit
Range, high
0–100
0–500
0–2000
low
0–50
0–250
0–1000
mA
Resolution
10
10
100
μ
A
Accuracy
±
100
±
100
±
400
μ
A
LDC500 Series Laser Diode Controllers
