7

ELECTRICAL SPECIFICATIONS

ABSOLUTE MAXIMUM RATINGS

LD250mTC5

LD2TC5

LD5TC10

UNIT

NOTE

TEMPERATURE CONTROLLER

Maximum Output Current

5

5

10

A

Maximum Compliance Voltage [1]

15

V

LASER DIODE DRIVER

Maximum Output Current

0.25

2

5

A

Maximum Compliance Voltage [1]

10

V

LASER DRIVER SPECIFICATIONS

LD250mTC5

LD2TC5

LD5TC10

UNIT

NOTE

Cumulative Noise (RMS) [2]

3

7

16

μA

RMS

Measured from 1 Hz to 100 kHz

Output Current Stability

125

ppm

Free-air, ambient conditions

Output Current Temperature Coefficient

75

ppm / ºC

Full scale

Modulation Bandwidth, CC Mode

450

kHz

Modulation Bandwidth, CP Mode

10

Hz

Rise/Fall Time, CC Mode

800

ns

To full scale

Rise/Fall Time, CP Mode

25

ms

To full scale

Slew Rate

6

V / μs

Depth of Modulation

90

%

At 150 kHz

Input Impedance

2.5

kΩ

External Modulation Input Range

-5 to +5

V

Sums with onboard setpoint

External Modulation Input Damage Threshold

±6

V

Current Limit Range

0 to 101

%

Leakage Current

<1

μA

Measured with unit on and setpoint

at zero

Current Monitor Offset: Zero Output Current

<1

mV

Constant Power Photodiode Range Options

500 μA, 5 mA, 10 mA

Constant Power Photodiode Bias Voltage

On / Off

Laser Turn-On Delay

0 to 3

s

Adjustable via remote commands

Laser Slow Start Ramp

10-25

ms

Feedback

Constant Current or

Constant Power

Setpoint Resolution

18

bits

Display Accuracy Measurement Resolution

16

bits

External Setpoint Accuracy

0.35

0.25

%

External setpoint to real output

current

Current Monitor Accuracy (front panel display)

0.25

%

IMON to real output current

Accuracy, ISET vs. Actual Current

0.25

%

Accuracy, Analog Setpoint Monitor

0.25

%

between 10 & 90% of full scale

[1] With current sources, the voltage developed across the load (laser or thermoelectric) is not driven by the controller, but by Ohm's Law

and the resistance of the load.

[2] Noise performance for the LD250mTC5 is for Type-A lasers only.