General

This document defines the ratings and characteristics of a laser driver circuit dedicated for applications within telecom and datacom modules with respect to various transmission standards and laser safety requirements. A block diagram of this circuit is shown in Figure 1.

Features

• Data rate up to 3.2 Gbit/s

• Supply range from +3.0 V to +5.5 V

• Modulation current adjustable up to 75 mA

• Bias current adjustable up to 80 mA

• Choice between temperature compensation and integrated Two-Loop-Control of bias and modulation current

• Integrated laser supervisor

• Monitor output for optical output power

Applications

• Fiber optics telecom and data communication systems

• SDH / SONET, Fiber Channel, Gigabit Ethernet