Item # | ITC5225 |
Laser Driver (LDC) Specifications | Front
Panel | Remote
Control |
Constant Current Mode (CC) |
LD Current Range | 0 to 2 A |
Compliance Voltage | 18 V |
Maximum Electrical Output Power | 36 W |
Resolution (Setting / Measurement) | 100 μA | 32 μA |
Accuracy (Setting / Measurement) | ±(0.1% + 800 μA) |
Noise and Ripple (Typ)a (10 Hz to 1 MHz, RMS) | <25 μA w/o Noise Reduction Filter
<3 μA with Noise Reduction Filter |
Noise and Ripple (Typ)a (10 Hz to 100 kHz, RMS) | <10 μA w/o Noise Reduction Filter
<3 μA with Noise Reduction Filter |
Drift, 24 Hours, 0 - 10 Hz @ Constant Ambient Temperature (Typ)b | <100 μA |
LD Current Limit |
Setting Range | 10 mA to 2 A |
Constant Power Mode (CP) |
PD Current Control & Measurement Range | 0 to 10 mA |
PD Current Control & Measurement Resolution | 1 μA | 160 nA |
PD Current Control & Measurement Accuracy | ±(0.08% + 3 μA) |
PD Current Limit Range | 20 μA to 10 mA |
PD Input Impedance | ～0 Ω (Virtual Ground) |
LD Voltage Measurement |
Measurement Principle | 4-Wirec |
Measurement Range | 0 V to 20 V |
Measurement Resolution | 1 mV | 320 μV |
Measurement Accuracy | ±(0.1% + 20) mV |
LD Overvoltage Protection |
Setting Range | 1 V to 18.2 V |
LD Current Monitor (via TRIG / ANALOG Output) |
Transmission Coefficient | Anode Grounded (AG): -2.5 V/A ± 5%
Cathode Grounded (CG): +2.5 V/A ± 5% |
Load Resistance | ≥10 kΩ |
External Modulation Input |
Input Impedance | 10 kΩ |
Small Signal Sinusoidal 3 dB Bandwidthd (in CC Modee) | DC to 400 kHz w/o Noise Reduction Filter
DC to 10 kHz with Noise Reduction Filter |
Modulation Coefficient | CC Mode: 400 mA/V ± 5%
CP Mode: 2 mA/V ± 5% |
Internal Modulation |
Frequency Range | 1 Hz to 400 kHz |
Small Signal Sinusoidal 3 dB Bandwidthd (in CC Modee) | 400 kHz w/o Noise Reduction Filter
10 kHz with Noise Reduction Filter |
Modulation Depthf | 0.1% to 100,% |
Modulation Waveforms | Sine, Square, Triangle |
QCW / Burst Mode (Available in CC Mode) |
Pulse Width Range | 5 μs to 1 s |
Pulse Width Resolution | 1 μs |
Frequency Range (Pulse Repetition Rate, PRR) | 1 Hz to 100 kHzg |
Trigger Source for Internal QCW / Burst | Internal / External (User-Selectable) |
Trigger Input for Internal QCW / Burst | Rising Edge Triggered, Starts Pulse with User-Selected QCW Pulse Width or Burst Parameters |
Signal Input for External QCW / Burst | External QCW / Burst Pulses Within The Specified Pulse Width and PRR Ranges Directly Drive Modulation of the Laser Current In Real Time |
Trigger Output | Active High, Tracks Pulse Width |
Trigger Level (Input / Output) | TTL or 5 V CMOS |
Dead Time to Next Pulse | >10 μs |
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