GN1157 GN1157-INTE3Z Laser Driver IC 11.3Gbps 3.3V

Features

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FEATURES

Power Dissipation 185mW typical (IBIAS = 0 mA, IMOD = 0mAppd)

DFB/FP Laser Driver:

Maximum bias current = 120mA

Maximum modulation current into 15? differential TOSA = 92mApp

Tx DJ = 5pspp; Tx RJ = 0.5psrms

Integrated closed-loop Automatic Power Control (APC)

Compatible with microcontroller-based modulation current/temperature look-up table

Programmable Tx eye shaping features and input equalization

Programmable rise/fall times

Laser safety features

Switchable Tx polarity invert

Limiting Amplifier Receiver:

Rx sensitivity at 11.317Gb/s = 5mVppd

Rx DJ = 4pspp, Rx RJ = 0.7psrms

Programmable bandwidth

Rx output pre-emphasis and squelch

Programmable Rx output swing

Programmable rise/fall times

Adjustable loss of signal detect threshold

Switchable Rx polarity invert

Measurement of digital diagnostic and monitoring parameters

2-wire serial interface for host communication

Software-selectable power-down modes

3.3V or 2.5V CMOS inputs and open-drain outputs for control and status lines

Application

This specification defines a multi-rate transceiver IC for use in a wide range of LR Ethernet and Fibre Channel applications from 1.0Gb/s to 11.3Gb/s. This includes 1Gb/s and 10Gb/s Ethernet data rates as defined by IEEE 802.3 and 1,2,4,8 and 10Gb/s Fibre Channel data rates.