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MFG:MAX D/C:O1/O2
Part Number: MAX3869
MFG: MAX
D/C: O1/O2
Description: The MAX3869 is a complete, single +3.3V laser driver for SDH/SONET applications up to 2.5Gbps. The dev...
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MAX3869
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DataSheet
General Description
MAX3869 General Description
The MAX3869 is a complete, single +3.3V laser driver for SDH/SONET applications up to 2.5Gbps. The device accepts differential PECL data and clock inputs and provides bias and modulation currents for driving a laser. A synchronizing input latch can be used (if a clock signal is available) to reduce jitter.
An automatic power control (APC) feedback loop is incorporated to maintain a constant average optical power over temperature and lifetime. The wide modulation current range of 5mA to 60mA and bias current of 1mA to 100mA are easy to program, making this product ideal for use in various SDH/SONET applications.
The MAX3869 also provides enable control, two current monitors that are directly proportional to the laser bias and modulation currents, and a failure-monitor output to indicate when the APC loop is unable to maintain the average optical power. The MAX3869 is available in a small 32-pin TQFP package as well as dice.
MAX3869 Maximum Ratings
Supply Voltage, VCC.............................................. -0.5V to +7.0V
Current into BIAS .............................................-20mA to +150mA
Current into OUT+, OUT- ..................................-20mA to +100mA
Current into MD.......................................................-5mA to +5mA
Voltage at DATA+, DATA-, CLK+, CLK-, ENABLE,
LATCH, FAIL, BIASMON, MODMON ................-0.5V to (VCC + 0.5V)
Voltage at APCFILT, CAPC, MODSET,
BIASMAX, APCSET .................................................-0.5V to +3.0V
Voltage at OUT+, OUT-................................+1.5V to (VCC + 1.5V)
Voltage at BIAS .........................................+1.0V to (VCC + 0.5V)
Continuous Power Dissipation (TA = +85°C)
32-Pin TQFP-EP (derate 22.2mW/°C above +85°C) .....1444mW
Storage Temperature Range ...........................-65°C to +165°C
Operating Junction Temperature Range...........-55°C to +150°C
Processing Temperature (die) ........................................+400°C
Lead Temperature (soldering, 10s) ................................+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
MAX3869 Features
· Single +3.3V or +5V Power Supply
· 64mA Supply Current at +3.3V
· Programmable Bias Current from 1mA to 100mA
· Programmable Modulation Current from 5mA to 60mA
· Bias Current and Modulation Current Monitors
· 87ps Rise/Fall Time
· Automatic Average Power Control with Failure Monitor
· Complies with ANSI, ITU, and Bellcore
SDH/SONET Specifications
· Enable Control
· 64mA Supply Current at +3.3V
· Programmable Bias Current from 1mA to 100mA
· Programmable Modulation Current from 5mA to 60mA
· Bias Current and Modulation Current Monitors
· 87ps Rise/Fall Time
· Automatic Average Power Control with Failure Monitor
· Complies with ANSI, ITU, and Bellcore
SDH/SONET Specifications
· Enable Control
MAX3869 Typical Application
· SONET/SDH Transmission Systems
· Add/Drop Multiplexers
· Digital Cross-Connects
· Section Regenerators
· 2.5Gbps Optical Transmitters
· Add/Drop Multiplexers
· Digital Cross-Connects
· Section Regenerators
· 2.5Gbps Optical Transmitters
MAX3869 Connection Diagram
MAX3869
PDF/DataSheet Download
- Datasheet: MAX3869
- File Size: 479622 KB
- Manufacturer: Maixm
- Click here to Download
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The MAX3867 is a complete, single +3.3V laser driver for SDH/SONET applications up to 2.5Gbps. The device accepts differential PECL data and clock inputs and provides bias and modulation currents for driving a laser. The synchronizing input latch can be bypa...
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MAX3865†
The MAX3865† is designed for direct modulation of laser diodes at data rates up to 2.5Gbps. It incorporates two feedback loops, the automatic power-control (APC) loop and the automatic modulation-control (AMC) loop, to maintain constant average optical...
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