Product Description

SiGe Semiconductor offers a portfolio of optical networking ICs for use in high-performance optical transmitter and receiver functions, from 155 Mb/s up to 12.5 Gb/s.

Features

◾ Single +3.3 V power supply

◾ Power dissipation = 110 mW (typ)

◾ Input noise current = 180 nA rms when used with a 0.7 pF detector

◾ Transimpedance gain = 4.0 kΩ into a 50 Ω load (differential)

◾ On-chip automatic gain control gives input current overload of 2.6 mA pk and max output voltage swing of 300 mV pk-pk

◾ Differential 50 Ω outputs

◾ Bandwidth (-3 dB) = 1.2 GHz

◾ Wide data rate range = 50 Mb/s to 1.25 Gb/s

◾ Constant photodiode reverse bias voltage = 1.5 V (anode to input, cathode to VCC)

◾ Minimal external components, supply decoupling only

◾ Operating junction temperature range = -40°C to +125°C

Applications

◾ Gigabit-Ethernet systems, test equipment and modules

◾ OC-24 fibre optic modules and line termination

◾ Fibre Channel optical systems