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PDF MAX3736 Data sheet ( Hoja de datos )
| Número de pieza | MAX3736 | |
| Descripción | SFP Laser Driver | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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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 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
50Ω
50Ω
SUPPLY FILTER
SFP OPTICAL TRANSMITTER
+3.3V
15Ω 56Ω
0.1µF
IN+
0.1µF
IN-
OUT- 8.2pF
MAX3736
OUT+
10Ω
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.
1 page  
www.DataSheet4U.com
3.2Gbps, Low-Power, Compact,
SFP Laser Driver
Typical Operating Characteristics (continued)
(Typical values are at VCC = 3.3V, IBIAS = 20mA, IMOD = 30mA, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE
80
EXCLUDES IBIAS AND IMOD
70
60
50
40
30
20
10
-40
-15 10 35 60
TEMPERATURE (°C)
85
BIAS CURRENT MONITOR GAIN
vs. TEMPERATURE
20
18
16
14
12
10
-40
-15 10 35 60
TEMPERATURE (°C)
85
MODULATION CURRENT
vs. MODSET RESISTANCE (ZL = 15Ω)
80
70
60
50
40
30
20
10
0
1 10 100
RMODSET (kΩ)
BIAS CURRENT vs. BIAS RESISTANCE
100
90
80
70
60
50
40
30
20
10
0
1 10 100
RBIASSET (kΩ)
EDGE TRANSITION TIME
vs. MODULATION AMPLITUDE
80
70
FALL TIME
60
50
40
30 RISE TIME
20
10
10 20 30 40 50 60
IMOD (mA)
_______________________________________________________________________________________ 5
5 Page 
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3.2Gbps, Low-Power, Compact,
SFP Laser Driver
Bonding Coordinates
Table 1. MAX3736 Bondpad Locations
PAD
NUMBER
BP1
BP2
BP3
BP4
BP5
BP6
BP7
BP8
BP9
BP10
BP11
BP12
BP13
BP14
BP15
BP16
BP17
BP18
BP19
BP20
PAD NAME
VCC
IN+
IN-
VCC
BIASSET
MODSET
BC_MON
BIAS
VCC
OUT+
OUT+
OUT-
OUT-
VCC
GND
GND
GND
VCC
DIS
GND
COORDINATES (µm)
XY
0 520.8
0 351.4
0 169.4
00
298.3
-222.1
526.5
-222.1
737.7
-223.5
1104.8
-224.9
1258.9
-107.9
1258.9
32.1
1258.9
179.1
1258.9
342.9
1258.9
490
1258.9
629.9
1060
630.9
896.1
632.3
712.7
630.9
550.3
630.9
378.1
631
191.8
630.9
Package Information
For the latest package outline information, go to
www.maxim-ic.com/packages.
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11
© 2003 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet MAX3736.PDF ] | |
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