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Low noise laser driver with external setpoint

PRODUCTS > PHOTONICS > LASER DRIVERS > LOW NOISE LASER DRIVER WITH EXTERNAL SETPOINT
DRV200S Low noise laser driver with external setpoint
DRV200S Low noise laser driver with external setpoint DRV200S Low noise laser driver with external setpoint current noise DRV200S Low noise laser driver with external setpoint modulation response

Koheron DRV200S is an ultra-low noise current driver on which the current setpoint is controlled by an externally applied voltage. The DRV200S has variable current limit and compliance voltage. It also features a DC to 6 MHz modulation input with adjustable modulation gain.

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Specifications

DRV200S-A-40 DRV200S-A-200 DRV200S-A-400
Current driver
Laser current 0 mA to 40 mA 0 mA to 200 mA 0 mA to 400 mA
Compliance voltage(VSL = 19 V) 15.5 V 15.5 V 15.5 V
Current noise density(1 kHz, Modulation gain M) 55 pA/√Hz 270 pA/√Hz 480 pA/√Hz
RMS noise(10 Hz to 1 MHz) 65 nArms 265 nArms 530 nArms
Temperature coefficient 30 ppm/°C 30 ppm/°C 30 ppm/°C
Current monitor gain 50 V/A 10 V/A 5 V/A
Current limit 13 mA to 60 mA 65 mA to 300 mA 130 mA to 600 mA
Modulation
3 dB modulation bandwidth 8 MHz 6 MHz 6 MHz
Modulation gain(L setting) 200 µA/V 1 mA/V 2 mA/V
Modulation gain(M setting) 2 mA/V 10 mA/V 20 mA/V
Modulation gain(H setting) 20 mA/V 100 mA/V 200 mA/V
Power supplies
Internal supply voltage(VSI) 4.8 V to 6 V 4.8 V to 6 V 4.8 V to 6 V
Laser supply voltage(VSL) 3 V to 19 V 3 V to 19 V 3 V to 19 V
Other
Outside dimensions 58 mm x 50 mm x 14 mm 58 mm x 50 mm x 14 mm 58 mm x 50 mm x 14 mm
Weight 19 g 19 g 19 g
Operating temperature 0 °C to 50 °C 0 °C to 50 °C 0 °C to 50 °C
Compatible lasers Floating diodes Floating diodes Floating diodes

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Characterization

Current noise

The figure below shows the current noise of the DRV200S laser driver. The setpoint is produced by a VREF100 voltage source.

DRV200S Low noise laser driver with external setpoint current noise
DRV200S current noise

Setpoint frequency reponse

DRV200S Low noise laser driver with external setpoint setpoint frequency response
DRV200S setpoint frequency response

DC current modulation input

DRV200S-A-200 Low noise laser driver with external setpoint modulation response
DRV200S-A-200 (200 mA) modulation response
DRV200S-A-400 Low noise laser driver with external setpoint modulation response
DRV200S-A-400 (400 mA) modulation response

Modulation performance are characterized using a DFB laser operated at 80 mA. The gain high modulation (H) is measured at 200 mVpp and the gains medium (M) and low (L) are measured at 2 Vpp. Gains are normalized to the medium modulation gain at DC.

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Ordering codes

REFERENCE ATTRIBUTE
DRV200S-A-40 Laser current 40 mA
DRV200S-A-200 Laser current 200 mA
DRV200S-A-400 Laser current 400 mA

Export information

REFERENCE COUNTRY OF ORIGIN HS CODE HTSUS ECCN
DRV200S-A-40 France 90303370 9030333800 EAR99
DRV200S-A-200 France 90303370 9030333800 EAR99
DRV200S-A-400 France 90303370 9030333800 EAR99

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