DESCRIPTION

The SY88922V is a high-speed current switch for driving a semiconductor laser diode in optical transmission applications. The modulation current (IOUT) is controlled by the current (IRSET) through the external resistor RSET.

FEATURES

■ Up to 2.5Gbps operation

■ 30mA modulation current

■ Separate modulation control

■ Separate output enable for laser safety

■ Differential inputs for data

■ 75KΩ input pull-down resistor

■ 3.3V and 5V power supply options

■ Available in a tiny 10-pin (3mm × 3mm) MSOP

APPLICATIONS

■ 1.25Gbps and 2.5Gpbs Gigabit Ethernet

■ 531Mbps, 1062Mbps and 2.12Gbps Fibre Channel

■ 622Mbps SONET

■ Gigabit Interface Converter

■ 2.5Gbps SDH/SONET

■ 2.5Gbps Proprietary Links