Specifications of Diode Drivers
Parameter  Diode Driver DD 5
Complete system for currents up to 5 A  		Diode Driver DD 50
Complete system for currents up to 50 A  		Diode Driver DD 50-2
Complete system for the operation of Modules including 2 separate arrays for currents up to 50 A 
diode laser driver       
current range 0…5 A 0…50 A 0…50 A
compliance voltage 3 V 3 or 6 V (1)  6 V 
temperature coefficient < 100 ppm/°C < 100 ppm/°C < 100 ppm/°C
short term stability (1 h) < 30 ppm < 30 ppm < 30 ppm
long term stability (24 h) < 75 ppm < 75 ppm < 75 ppm
noise and ripple < 2 µA < 150 mA < 150 mA
current adjustment ac­curacy 10 mA 100 mA 100 mA
repetition rate (3 dB) 0…50 kHz 0…1 kHz 0…1 kHz
pulse width (2) 10 µs…cw 0.5 ms…cw 0.5 ms…cw
rise/fall time (2) 5 µs / 5 µs 100 µs / 10 µs 100 µs / 10 µs
TEC controller      
temperature range 0…50°C 0…50°C 0…50°C
temperature stability < 0.05°C < 0.05°C < 0.05°C
temp.adjustm. accu­racy 0.1°C 0.1°C 0.1°C
control loop PID PID PID
TEC output      
Peltier current 0…2 A 0…10 A 0…10 A
Peltier voltage 0…5 V 0…15 V 0…25 V
max. TEC output power 10 W 150 W 250 W
TEC current limit range 0…2 A 0…10 A 0…10 A
ripple 10 mA 100 mA 100 mA
temperature sensor      
general sensor types PT 100 / PT 1000 / thermistor PT 100 / PT 1000 / thermistor PT 100 / PT 1000 / thermistor
thermistor types NTC 10 kOhm NTC 10 kOhm NTC 10 kOhm
thermistor current 100 µA 100 µA 100 µA
power supply      
input voltage 110 V / 230 V AC 110 V / 230 V AC 110 V / 230 V AC
frequency 50 Hz or 60 Hz 50 Hz or 60 Hz 50 Hz or 60 Hz
power consumption 100 W 450 W 750 W
general characteristics      
ambient temperature 0…30°C 0…30°C 0…30°C
relative humidity 30…70 % 30…70 % 30…70 %
weight 5 kg 8 kg 8 kg
dimension (w x h x d) mm3 240 x 140 x 320 450 x 140 x 500 450 x 140 x 500

 

(1) pending on customer’s request 

(2) Please note, that the rise and fall time and the pulse width may be prolonged by long cables between the power  supply and the diode laser 

 

Additional specifications for the 50 A version only:
Analogue modulation
input (BNC connector) 0…5 V
transfer function 10 A/V
bandwidth (3 dB) 0…1 kHz
Trigger
input (BNC connector) TTL-Level
output (BNC connector) TTL-Level
transfer function for TTL low lout = lset
transfer function for TTL high lout = 0
ALS GmbH reserves the right to change specifications without prior notice.
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Advanced Laser Diode Systems A.L.S. GmbH
Schwarzschildstr. 6, D-12489 Berlin
Phone/Fax + 49 (0) 30 6392 652- 0/1