VSC7940 Datasheet - Vitesse Semiconductor

VSC7940 SONET/SDH 3.125Gb/s Laser Diode Driver

The VSC7940 is a single 5V supply laser diode driver specially designed for SONET/SDH applications up to 3.125Gb/s. External resistors set a wide range of bias and modulation currents for driving the laser. Data and clock inputs accept differential PECL signals. The Automatic Power Control (APC) loo.

VSC7940 Features

* SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control Applications

* SONET/SDH at 622Mb/s, 1.244Gb/s, 2.488Gb/s, 3.125Gb/s

* Full-Speed Fibre Channel (1.062Gb/s)

* Power Supply: 5V ±5%

* DC-Coupled to Laser Diode

* Programmable Modulation Curr

VSC7940_VitesseSemiconductor.pdf