Laser modulator driver

GN25L95

 

Overview

 

The GN25L95 is a combined burst mode laser driver and limiting post amplifier designed for fiber optic transceiver

 

modules.

 

The GN25L95 features on-chip digital diagnostic monitoring and digital set-up. This enables a complete solution for

 

SFP/SFF optical transceiver modules.

 

A fully compliant SFF-8472 digital diagnostic monitoring solution can be realised by connecting an external 8k EEPROM.

 

The GN25L95 features automatic mean power and automatic extinction ratio control functions for robust and reliable

 

control of laser operating conditions over temperature.

 

Auto-ranging A/D converters with digitized monitoring, an internal temperature sensor

 

and an on-chip DAC for controlling an external APD bias circuit are also included.

 

Key Applications

 

· EPON & GPON FTTh ONU/ONT

 

· BOSA-on-Board ONU

 

· SFF/SFP & CSFP modules

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