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MFG:MAX
Part Number: MAX3296
MFG: MAX
Description: The MAX3286/MAX3296 series of products are highspeed laser drivers for fiber optic LAN transmitters optimized for Gigab...
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MAX3296
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DataSheet
General Description
MAX3296 General Description
The MAX3286/MAX3296 series of products are highspeed laser drivers for fiber optic LAN transmitters optimized for Gigabit Ethernet applications. Each device contains a bias generator, laser modulator, and comprehensive safety features. Automatic power control (APC) adjusts the laser bias current to maintain average optical power at a constant level, regardless of changes in temperature or laser properties. For lasers without a monitor photodiode, these products offer a constant-current mode. The circuit can be configured for use with conventional shortwave (780nm to 850nm) or longwave (1300nm) laser diodes, as well as verticalcavity surface-emitting lasers (VCSELs).
The MAX3286 series (MAX3286MAX3289) is optimized for operation at 1.25Gbps, and the MAX3296 series (MAX3296MAX3299) is optimized for 2.5Gbps operation. Each device can switch 30mA of laser modulation current at the specified data rate. Adjustable temperature compensation is provided to keep the optical extinction ratio within specifications over the operating temperature range. This series of devices is optimized to drive lasers packaged in low-cost TO-46 headers. Deterministic jitter (DJ) for the MAX3286 is typically 22ps, allowing a 72% margin to Gigabit Ethernet DJ specifications.
These laser drivers provide extensive safety features to guarantee single-point fault tolerance. Safety features include dual enable inputs, dual shutdown circuits, and a laser-power monitor. The safety circuit detects faults that could cause dangerous light output levels. A programmable power-on reset pulse initializes the laser driver at startup.
The MAX3286/MAX3296 are available in a compact, 5mm * 5mm, 28-pin QFN or thin QFN package; a 5mm ✕ 5mm, 32-pin TQFP package; or in die form. The MAX3287/MAX3288/MAX3289 and MAX3297/MAX3298/MAX3299 are available in a 16-pin TSSOP-EP package.
MAX3296 Maximum Ratings
Supply Voltage at VCC ..........................................-0.5V to +7.0V
Voltage at EN, EN, PORDLY, FLTDLY, LV, IN+, IN-,
REF, POL, POL, MD, MON, BIASDRV,
MODSET, TC..................................................-0.5V to (VCC + 0.5V)
Voltage at OUT+, OUT-............................(VCC - 2V) to (VCC + 2V)
Current into FAULT, FAULT, POR, SHDNDRV............-1mA to +25mA
Current into OUT+, OUT- ......................................................60mA
Continuous Power Dissipation (TA = +70)
32-Pin TQFP (derate 14.3mW/°C above +70)................1100mW
28-Pin QFN and 28-Pin Thin QFN
(derate 28.7mW/ above +70).....................................2300mW
16-Pin TSSOP (derate 27mW/ above +70) .................2162mW
Operating Temperature Range....................................0°C to +70
Operating Junction Temperature Range ....................0 to +150
Processing Temperature (die) ..............................................+400
Storage Temperature Range ..................................-55 to +150
Lead Temperature (soldering, 10s) ......................................+300
Voltage at EN, EN, PORDLY, FLTDLY, LV, IN+, IN-,
REF, POL, POL, MD, MON, BIASDRV,
MODSET, TC..................................................-0.5V to (VCC + 0.5V)
Voltage at OUT+, OUT-............................(VCC - 2V) to (VCC + 2V)
Current into FAULT, FAULT, POR, SHDNDRV............-1mA to +25mA
Current into OUT+, OUT- ......................................................60mA
Continuous Power Dissipation (TA = +70)
32-Pin TQFP (derate 14.3mW/°C above +70)................1100mW
28-Pin QFN and 28-Pin Thin QFN
(derate 28.7mW/ above +70).....................................2300mW
16-Pin TSSOP (derate 27mW/ above +70) .................2162mW
Operating Temperature Range....................................0°C to +70
Operating Junction Temperature Range ....................0 to +150
Processing Temperature (die) ..............................................+400
Storage Temperature Range ..................................-55 to +150
Lead Temperature (soldering, 10s) ......................................+300
MAX3296 Features
7ps Deterministic Jitter (MAX3296) 22ps Deterministic Jitter (MAX3286)
+3.0V to +5.5V Supply Voltage
Selectable Laser Pinning (Common Cathode or Common Anode) (MAX3286/MAX3296)
30mA Laser Modulation Current
Temperature Compensation of Modulation Current
Automatic Laser Power Control or Constant Bias Current
Integrated Safety Circuits
Power-On Reset Signal
QFN and Thin QFN Packages Available
+3.0V to +5.5V Supply Voltage
Selectable Laser Pinning (Common Cathode or Common Anode) (MAX3286/MAX3296)
30mA Laser Modulation Current
Temperature Compensation of Modulation Current
Automatic Laser Power Control or Constant Bias Current
Integrated Safety Circuits
Power-On Reset Signal
QFN and Thin QFN Packages Available
MAX3296 Typical Application
Gigabit Ethernet Optical Transmitter
Fibre Channel Optical Transmitter
ATM LAN Optical Transmitter
Fibre Channel Optical Transmitter
ATM LAN Optical Transmitter
MAX3296 Connection Diagram
MAX3296
PDF/DataSheet Download
- Datasheet: MAX3296
- File Size: 751079 KB
- Manufacturer: Maixm
- Click here to Download
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MAX3296 Relative Products
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The MAX3295AUT low-power, high-speed transmitter for RS-485/RS-422 communications operates from a single +3.3V power supply. This device contains one differential transmitter. The MAX3295 transmitter operates at data rates up to 20Mbps, with an output skew o...
MAX3295
The MAX3293/MAX3294/MAX3295 low-power, highspeed transmitters for RS-485/RS-422 communication operate from a single +3.3V power supply. These devices contain one differential transmitter. The MAX3295 transmitter operates at data rates up to 20Mbps, with an o...
MAX3294AUT+T
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MAX3294
The MAX3293/MAX3294/MAX3295 low-power, highspeed transmitters for RS-485/RS-422 communication operate from a single +3.3V power supply. These devices contain one differential transmitter. The MAX3295 transmitter operates at data rates up to 20Mbps, with an o...
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MAX3293AUT+T
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