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MAX3736 Dataheets PDF



Part Number MAX3736
Manufacturers Maxim Integrated Products
Logo Maxim Integrated Products
Description SFP Laser Driver
Datasheet MAX3736 DatasheetMAX3736 Datasheet (PDF)

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 modulation currents for driving a laser. DC-coupling to the laser allows for multirate applications, and reduces the number of external components. The wide 5mA to 60mA (85mA AC-coupled) modulation current range and 1mA to 100mA bias cu.

  MAX3736   MAX3736



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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 modulation currents for driving a laser. DC-coupling to the laser allows for multirate applications, and reduces the number 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 fiberoptic modules. The laser current setting can be controlled 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 solution 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. 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 MAX3736 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 PART MAX3736E/D MAX3736ETE Ordering Information 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 tested and guaranteed only at TA = +25°C. Pin Configuration appears at end of data sheet. Typical Application Circuit HOST BOARD HOST FILTER VCC_RX VCC SUPPLY FILTER 15Ω 56Ω 0.01µF SFP OPTICAL TRANSMITTER +3.3V 0.1µF 50Ω SERDES 50Ω 0.1µF INBC_MON IN+ OUT- 8.2pF 10Ω MAX3736 MODSET BIASSET OUT+ BIAS FERRITE BEAD GND TX_DISABLE MOD-DEF1 MOD-DEF2 DIS 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. www.DataSheet4U.com 3.2Gbps, Low-Power, Compact, SFP Laser Driver MAX3736 ABSOLUTE MAXIMUM RATINGS Power-Supply Voltage VCC ..................................-0.5V to +6.0V Voltage at IN+, IN-, DIS…..…………………-0.5V to (VCC + 0.5V) Voltage at BC_MON, MODSET, BIASSET .............-0.5V to +3.0V Voltage at OUT+, OUT-.……………………+0.5V to (VCC + 1.5V) Voltage at BIAS ............……………………+0.5V to (VCC + 0.5V) Current into BIAS, OUT+, OUT- ......................-20mA to +150mA Current into IN+, IN-......…………………………-20mA to +20mA Continuous Power Dissipation (TA = +85°C) 16-Pin Thin QFN (derate 25mW/°C above +85°C) .............2W Operating Jun.


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