Functional Description
The F0539951Q is a high performance GaAs laser diode driver IC applicable in an optical transmitter circuit up to 10.0 Gb/s NRZ data rate (especially suitable for STM-64 / OC-192).
The F0539951Q specifies the rise time and the fall time of 35 ps (20 % - 80 %, 25Ω load) typically. It features the single 3.3V supply operation, the modulation current between 10 mAp-p and 65 mAp-p, and the bias current between 3 mA and 100 mA.

FEATUREs
- Up to 10.0 Gb/s high speed operation
- 3.3V single Voltage Supply operation
- Differential CML compatible interface
- Disable function of modulation current
- Modulation current monitoring
- Up to 65 mAp-p RF modulation current at an external 25Ω load
   or Up to 75 mAp-p RF modulation current at an external 15Ω load
- Up to 100 mA DC bias current
- On-chip 50Ω input terminations
- Internal voltage reference for AC coupling

APPLICATIONs
- Laser diode driver of an optical transmitter circuit up to 10.0 Gb/s