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Part Number: MAX3668†
Description: The MAX3668 is a complete, +3.3V laser driver with automatic power control (APC) circuitry for SDH/SON...
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MAX3668†
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DataSheet
General Description
MAX3668† General Description
The MAX3668 is a complete, +3.3V laser driver with automatic power control (APC) circuitry for SDH/SONET applications up to 622Mbps. It accepts differential PECL inputs, provides bias and modulation currents, and operates over a temperature range of -40 to +85.
An APC feedback loop is incorporated to maintain a constant average optical power over temperature and lifetime. The wide modulation current range of 5mA to 75mA and bias current of 1mA to 80mA are easy to program, making this product ideal for use in various SDH/SONET applications.
The MAX3668 also provides enable control and a failuremonitor output to indicate when the APC loop is unable to maintain the average optical power. The MAX3668 is available in a 5mm 32-pin TQFP package as well as in dice.
MAX3668† 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-, ENABLE,
FAIL .......................................................-0.5V to (VCC + 0.5V)
Voltage at OUT+, OUT-.............................+1.5V to (VCC + 1.5V)
Voltage at MODSET, APCSET, BIASMAX,
CAPC................................................................ -0.5V to +3.0V
Voltage at BIAS .......................................+1.0V to (VCC + 0.5V)
Continuous Power Dissipation (TA = +85)
32-Pin TQFP (derate 14.3mW/ above +85).......... 929mW
Operating Junction Temperature Range............-55 to +150
Processing Temperature (Die).........................................+400
Storage Temperature Range ........................... -65 to +165
Lead Temperature (soldering, 10s) ...............................+300
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.
Current into BIAS ............................................-20mA to +150mA
Current into OUT+, OUT- ................................ -20mA to +100mA
Current into MD.....................................................-5mA to +5mA
Voltage at DATA+, DATA-, ENABLE,
FAIL .......................................................-0.5V to (VCC + 0.5V)
Voltage at OUT+, OUT-.............................+1.5V to (VCC + 1.5V)
Voltage at MODSET, APCSET, BIASMAX,
CAPC................................................................ -0.5V to +3.0V
Voltage at BIAS .......................................+1.0V to (VCC + 0.5V)
Continuous Power Dissipation (TA = +85)
32-Pin TQFP (derate 14.3mW/ above +85).......... 929mW
Operating Junction Temperature Range............-55 to +150
Processing Temperature (Die).........................................+400
Storage Temperature Range ........................... -65 to +165
Lead Temperature (soldering, 10s) ...............................+300
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.
MAX3668† Features
· Single +3.3V or +5.0V Operation
· 38mA Supply Current at +3.3V
· Programmable Modulation Current from 5mA to 75mA
· Programmable Bias Current from 1mA to 80mA
· Rise/Fall Time <200ps
· Automatic Average Power Control with Failure Monitor
· Complies with ANSI, ITU, and Bellcore SONET/SDH Specifications
· Enable Control
· 38mA Supply Current at +3.3V
· Programmable Modulation Current from 5mA to 75mA
· Programmable Bias Current from 1mA to 80mA
· Rise/Fall Time <200ps
· Automatic Average Power Control with Failure Monitor
· Complies with ANSI, ITU, and Bellcore SONET/SDH Specifications
· Enable Control
MAX3668† Typical Application
622Mbps SDH/SONET Access Nodes
Laser Driver Transmitters
Section Regenerators
Laser Driver Transmitters
Section Regenerators
MAX3668† Connection Diagram
MAX002
PDF/DataSheet Download
- Datasheet: MAX002
- File Size: 42133 KB
- Manufacturer: FILTRONIC [Filtronic Compound Semiconductors]
- Click here to Download
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MAX3668† Relative Products
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The MAX3668 evaluation kit (EV kit) is an assembled, surface-mount demonstration board that provides easy optical or electrical evaluation of the MAX3668. Although the MAX3668 evaluation kit is shipped in the electrical configuration, this data sheet also pr...
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The MAX3667 is a complete, +3.3V laser driver with automatic power control (APC), designed for SDH/ SONET applications up to 622Mbps. It accepts differential PECL inputs, provides single-ended bias and modulation currents, and operates over a -40°C to +85°C ...
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