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Maxim Integrated Products - SFP Laser Driver

Numéro de référence MAX3736
Description SFP Laser Driver
Fabricant Maxim Integrated Products 
Logo Maxim Integrated Products 





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MAX3736 fiche technique
19-3116; Rev 0; 12/03
www.DataSheet4U.com
3.2Gbps, Low-Power, Compact,
SFP Laser Driver
General Description
The MAX3736 is a compact, +3.3V multirate laser driver
for SFP/SFF applications up to 3.2Gbps. The device
accepts differential data and provides bias and modula-
tion currents for driving a laser. DC-coupling to the laser
allows for multirate applications, and reduces the num-
ber of external components.
The wide 5mA to 60mA (85mA AC-coupled) modulation
current range and 1mA to 100mA bias current make the
MAX3736 ideal for driving FP/DFB laser diodes in fiber-
optic modules. The laser current setting can be con-
trolled by a current DAC, a voltage DAC, or a resistor.
Very low power dissipation, small package size, and
reduced component count, make this part an ideal solu-
tion for SFP-module applications.
The MAX3736 is available in dice or in a small 3mm x
3mm, 16-pin thin QFN package. It operates over a -40°C
to +85°C temperature range.
Applications
Gigabit Ethernet SFP/SFF Transceiver Modules
1G/2G Fibre-Channel SFP/SFF Transceiver
Modules
Multirate OC-3 to OC-48 FEC SFP/SFF
Transceiver Modules
10G Ethernet LX-4 Modules
Features
Fully Compatible with SFP and SFF-8472
Specifications
Programmable Modulation Current from 5mA to
60mA (DC-Coupled)
Programmable Modulation Current from 5mA to
85mA (AC-Coupled)
Programmable Bias Current from 1mA to 100mA
56ps Edge Transition Times
22mA (typ) Power-Supply Current
Multirate Operation Up to 3.2Gbps
On-Chip Pullup Resistor for DIS
16-Pin, 3mm × 3mm Thin QFN Package
Ordering Information
PART
MAX3736E/D
MAX3736ETE
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
Dice*
16 Thin QFN
*Dice are designed to operate from -40°C to +85°C, but are test-
ed and guaranteed only at TA = +25°C.
Pin Configuration appears at end of data sheet.
Typical Application Circuit
HOST BOARD
HOST FILTER
VCC_RX
SERDES
50
50
SUPPLY FILTER
SFP OPTICAL TRANSMITTER
+3.3V
1556
0.1µF
IN+
0.1µF
IN-
OUT- 8.2pF
MAX3736
OUT+
10
BIAS
FERRITE
BEAD
0.01µF
TX_DISABLE
MOD-DEF1
MOD-DEF2
LASER CONTROLLER
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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