Modular laser diode controller, Combination modules, Specifi cations – Atec ILX-Lightwave-ldc-3900 User Manual

Page 5: Output connectors, Drive current output, Drive current limit settings, Photodiode feedback, External analog modulation, Drive current measurement (display), Temperature control output

Combination Modules

39420 39425 39427 39437 39440

ISOLATION:

Each module is isolated from other modules and earth ground. TEC and current source independently isolated

OUTPUT CONNECTORS

Laser Drive Current I/O:

9-pin, D-sub

Temperature Controller I/O:

15-pin, D-sub

DRIVE CURRENT OUTPUT

Output Current Range:

0–200mA 0–500mA 0–500mA 0–1000mA 0–2000mA

Setpoint
Resolution:

10µA

100µA

Accuracy:

±0.05% of FS

Compliance

Voltage:

6V 6V 6V 6V 5V

Temperature

Coeffi

cient: 100ppm/°C 100ppm/°C 100ppm/°C 100ppm/°C 100ppm/°C

Short-Term Stability (one-hour):

25ppm 25ppm 25ppm 25ppm 25ppm

Long-Term Stability (24 hours):

50ppm 50ppm 50ppm 50ppm 50ppm

Noise and Ripple (µA/rms)

Unfi ltered:

<2.5µA

<4µA

<10µA

With model 320 Filter:

<1µA <1.5µA

<1.5µA <1.5µA <2µA

Transients:
Operational:

<1mA <1mA <1mA <1mA <1mA

1kV EFT:

<4mA

<10mA

Surge:

<7mA <7mA <7mA <7mA <8mA

DRIVE CURRENT LIMIT SETTINGS

Range:

0–200mA 0–500mA 0–500mA 0–1000mA 0–2000mA

Accuracy:

±2mA ±5mA ±5mA ±10mA ±20mA

PHOTODIODE FEEDBACK

Type:

Current input differential, zero bias, all modules

Range:

20–2000µA 20–2000µA 20–4000µA 20–4000µA 20–5000µA

Output Stability

: ±2µA ±2µA N/A

N/A

±2µA

Setpoint

Accuracy: ±2µA ±2µA N/A

N/A

±5µA

EXTERNAL ANALOG MODULATION

Input:

N/A N/A 0–10V,

10k

Ω 0–10V,

10k

Ω

N/A

Transfer Function:

N/A

50mA/V

100mA/V

N/A

Bandwidth (3dB):

N/A

DC to 250kHz

DC to 200kHz

N/A

DRIVE CURRENT MEASUREMENT (DISPLAY)

Output Current Range:

0–200.00mA

0–500.00mA

0–1000.00mA

0– 2000.0mA

Output Current Resolution:

0.01mA

0.1mA

Output Current Accuracy:

±0.1mA

±0.5mA

±1mA

Photodiode Current Range:

0–2000µA

0–4000µA

0–5000µA

PD Current Resolution:

1µA

PD Responsivity Range:

0.00–1000.00µA/mW 0.00–1000.00µA/mW 0.00–1000.00µA/mW 0.00–1000.00µA/mW 0.00–1000.00µA/mW

PD Responsivity Resolution:

0.01µA/mW

Optical Power Range:

0.00–200.00mW

0.00–1000.00mW

0.00–2000.0mW

Optical Power Resolution:

10µW

100µW

TEMPERATURE CONTROL OUTPUT

Temperature Control Range:

–99.9°C to 99.9°C –99.9°C to 99.9°C –99.9°C to 99.9°C

–99.9°C to 99.9°C

Thermistor Setpoint
Resolution and Accuracy

Res. Acc.

Res.

Acc.

–20°C to +20°C:

0.1°C ±0.2°C

0.1°C

±0.2°C

0.1°C

±0.2°C

0.1°C ±0.2°C

0.1°C

±0.2°C

+20°C to +50°C:

0.2°C ±0.2° C

0.2°C ±0.2°C

0.2°C

±0.2°C

0.2°C ±0.2°C

0.2°C

±0.2°C

Short Term Stability (1 hr.):

<±0.05°C

<± 0.05°C

<±0.05°C

Long Term Stability (24 hrs.):

<±0.1° C

<±0.1°C

Output Type:

Bipolar, constant current source, all modules

Compliance Voltage:

>4V DC

>6V DC

>4V DC

Short Circuit Output Current:

Maximum Output Power:

12W

Current Noise and Ripple:

<1mA rms

Current Limit Range:

0–2A

Current Limit Set Accuracy:

0.05A

Control Algorithm:

Smart Integrator, Hybrid PI, all modules

Specifi cations

Modular Laser

Diode Controller

LDC

3900