HY6410 Datasheet, PDF (2/2 Pages) List of Unclassifed Manufacturers – Laser Diode Driver

HY6410
Laser Diode Driver
Input Specifications
Power Inputs
–5.2V Supply
–12V Supply (–V)
RF IN
BIAS I
MOD I
–4.9V to –5.5V @ 115mA max.
–9V to –12V @ 420mA max.
ECL logic levels, 0–622Mbps
0 to 40mA for input voltage –V to –V + 2V
0 to 400mA for input voltage –V to –V + 1.0V
Output Specifications
RF OUT
RF OUT Transmission Line Length
REF OUT
Current output into 50Ω transmission line
Low Current = BIAS I, High Current = MOD I
10 feet max.
–V +5V
Environmental Conditions
Operating Temperature
Storage Temperature
–55°C to 100°C (case)
–65°C to 150°C
Pin Designations
Description
–5.2V input (–5.2V)
Ground (GND)
–V Input (–V)
Reference Voltage Output (REF OUT)
Bias I Adjust (BIAS I)
Modulation I Adjust (MOD I)
ECL Input Waveform (RF IN)
Laser Diode Current Drive (RF OUT)
HY6410
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
SMA 1
SMA 2
Ordering Information
Model No. HY6410
Description: 400mA High Speed Laser Diode Driver;
metal hermetic package
Application: ECL Digital Modulation of Laser Diode
Pin Descriptions
> –5.2V INPUT: Power supply input for ECL buffer circuitry.
> GROUND: Ground return for –5.2V ECL supply and –V.
> –V:
Power Supply input for Bias and Modulation currents as well as laser diode drive circuitry.
> REF OUT: Precision reference output, +5V with respect to –V (if –V is –12V, REF OUT would be –7V).
> BIAS I:
Input used to set the Bias current for the laser diode. Maximum bias current occurs when the voltage at
the BIAS I input is +2V with respect to the –V input. The voltage at the BIAS I input for a given bias cur-
rent is determined by the equation: V(BIAS I) = –V + (desired bias current) x 40Ω
> MOD I:
Input used to set the Modulation current for the laser diode. This current is added to the Bias I current
which always flows through the laser diode. Maximum modulation current occurs when the voltage at the
MOD I input is +0.5V with respect to the –V input. The current set by the MOD I voltage is controlled by
the ECL RF input. When the RF input is open or set to an ECL “low” input, only BIAS I current flows
through the laser diode. The voltage at the MOD I input for a given modulation current is determined by
the equation: V(MOD I) = –V + (desired modulation current) x 2.5Ω
> RF IN:
SMA connector for single ended ECL input. The input is terminated with an equivalent 50Ω into –2V re-
quired by the ECL logic family. This input accepts data rates up to 622Mbps.
> RF OUT:
SMA connector for 50Ω transmission line connected to laser. The patented “backmatching” technique
does not require a 50Ω termination at the laser diode end of the transmission line.
24 • 400 Hot Springs Road, Carson City NV 89706 • [phone] • Fax [phone] • www.hytek.com