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CHAPTER 10
10. Specifications
10.1 Laser Diode Driver (LDD) Modules
Specifications 6505 6510 6530 6560A
Laser Output
Output Current Range (mA)
5
0 to 500 mA 0 to 1,000 mA 0 to 3,000 mA 0 to 6,000 mA
Output Current Resolution (mA) (16-bit) 0.0076 0.0153 0.0458 0.0916
Output Current Accuracy
2
0.03 + 15 µA 0.03 + 30 µA 0.03 + 90 µA 0.03 + 180 µA
Compliance Voltage 7 Volts 7 Volts 5 Volts 5 Volts
Temperature Coefficient (Full Scale) < 50 ppm/°C < 50 ppm/°C < 50 ppm/°C < 50 ppm/°C
Short Term Stability (1 hr., Full Scale) < 10 ppm < 10 ppm < 10 ppm < 10 ppm
Long Term Stability (24 hr., Full Scale) < 50 ppm < 50 ppm < 50 ppm < 50 ppm
Noise/Ripple (rms)
6
Hi BW < 8.0 µA < 10 µA < 15 µA < 25 µA
Lo BW < 4.0 µA < 8.0 µA < 10 µA < 20 µA
Lo BW - CW < 2.0 µA < 2.5 µA < 6 µA < 17 µA
Current Limit
Range 0 to 500 mA 0 to 1,000 mA 0 to 3,000 mA 0 to 6,000 mA
Resolution 1 mA 1 mA 1 mA 1 mA
Accuracy ± 2 mA ± 2 mA ± 4 mA ± 6 mA
Analog Modulation
Input range, Input Impedance 0 to 10V, 10k
Ω
0 to 10V, 10k
Ω
0 to 10V, 10k
Ω
0 to 10V, 10k
Ω
Transfer Function 50 mA/V 100 mA/V 300 mA/V 600 mA/V
Bandwidth (3 dB)
Hi BW DC to 350 kHz DC to 250 kHz DC to 100 kHz DC to 100 kHz
Lo BW DC to 10 kHz DC to 10 kHz DC to 10 kHz DC to 10 kHz
Lo BW - CW DC to 30 Hz DC to 30 Hz DC to 30 Hz DC to 30 Hz
Photodiode Input
Monitor Current
Temperature Coefficient (% Full Scale/°C) < 0.02 < 0.02 < 0.02 < 0.02
Range 0 µA - 5 mA 0 µA - 5 mA 0 µA - 20 mA 0 µA - 20 mA
Stability (Full Scale, 24 hours) ± 0.02 % ± 0.02 % ± 0.02 % ± 0.02 %
Accuracy
7
0.004 + 0.5 µA 0.004 + 0.5 µA 0.004 + 1 µA 0.004 + 1 µA
Photodiode Reverse Bias (± 10%) 0 to 5 Volts 0 to 5 Volts 0 to 5 Volts 0 to 5 Volts
Measurement Display
Output Current Range (mA) 0 to 500.00 0 to 1,000.0 0 to 3,000.0 0 to 6,000.0
Output Current Resolution (mA) 0.01 0.1 0.1 0.1
Output Current Accuracy
2
0.02 + 20 µA 0.02 + 200 µA 0.02 + 200 µA 0.02 + 200 µA
Forward Voltage Range (Volts) 0.000 to 7.000 0.000 to 7.000 0.000 to 5.000 0.000 to 5.000
Forward Voltage Resolution (mV) 0.1 0.1 0.1 0.1
Forward Voltage Accuracy
2
0.005 + 0.3 mV 0.005 + 0.3 mV 0.005 + 0.3 mV 0.005 + 0.3 mV
Photodiode Current Range (µA) 5 - 5,000 5 - 5,000 15 - 20,000 15 - 20,000
Photodiode Current Resolution (µA) 0.1 0.1 0.1 0.1
5
Other current ranges are available upon request - please consult with factory.
6
True RMS, 3 Hz to 300 kHz, ½ scale, resistive load
7
± (% reading + fixed error)