GN1157数据手册集成电路（IC）的激光驱动器规格书PDF

特性 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

简介

GN1157属于集成电路（IC）的激光驱动器。由制造生产的GN1157激光驱动器激光驱动器电源管理集成电路 (PMIC) 可用于提供一个或多个受控电流源，以从标称恒定电压电源为半导体激光器件供电。产品通常支持通过监控受驱动的激光器件发出的光功率而得到反馈，可广泛应用于光通信系统中；并因具有对提供给用电设备的电流进行高频调制的能力，而与执行类似功能的器件区分开来。