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M02095/6

2.5 Gbps, 3.3/5 V Laser Driver/Limiting Amplifier

Overview

Description

The M02095 and M02096 are integrated laser drivers and limiting amplifiers for applications to 1.25 Gbps and 2.5 Gbps, respectively. The laser driver modulation output can be AC or DC coupled to an FP/DFB laser. The devices can operate from a 3.3 V or 5 V supply.

The M02095/6 includes monitors for bias and laser power. Integrated safety circuitry provides latched bias and modulation current shutdown if a fault condition is detected and provides an internal V_CC switch.

The limiting amplifier also includes a programmable signal-level detector, allowing the user to set thresholds at which the logic outputs are enabled. PECL or CML outputs are available on the limiting amplifier.

Configuration logic provides flexibility in setting data path polarity, safety logic configuration, and LOS behavior.

Features

High-speed operation suitable for applications to 2.5 Gbps
55 ps typical rise/fall time into 25Ω
Independently programmable bias and modulation currents
Modulation current to 85 mA and bias current to 100 mA
Integrated power supply switch for redundant shutdown under a fault condition
Temperature compensation for modulation current
Automatic power control
SFP compliant safety circuitry (configurable)
3.3 mV typical input limiting amp sensitivity at 2.5 Gbps
CML or PECL limiting amplifier outputs
Limiting amplifier includes integrated DC offset cancellation circuit
Polarity control for both the driver and limiting amplifier data paths
Operates with 3.3 V or 5 V supply with an internal auto-sensing regulator that enables with 5 V supplies and is bypassed with 3.3 V supplies
Powers 3.3 V ROSAs from its receiver regulator output enabling true 3.3/5 V designs using all 3.3 V Mindspeed TIAs

Documentation

Hardware Design Docs
- Data Sheets
  - M02095/M02096 Data Sheet (977.51 KB)
    April 6, 2009
- PCNs
  - QFN Package Material Change PCN (29.03 KB)
    April 1, 2011
  - Alternate Raw Materials PCN (51.14 KB)
    May 6, 2011
- RoHS/IPC Report
  - M02096G-12 5MLF 32 ASEM IPC Report (788.35 KB)
    September 29, 2011

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Applications

STM-4/8, 12/24 SDH/SONET (M02095), STM-4/8/16, 12/24/48 SDH/SONET (M02096)
1x Fibre Channel (M02095), 1/2/4x Fibre Channel (M02096)
1.25 Gbps Ethernet (M02095/6)
2.67 Gbps SDH/SONET with FEC (M02096)
FTTx and media converters
CPRI (614.4/1228.8/2457.6/3072.0 Mbps) (M02096)
Multirate transceivers
SFP/SFP+ module