MAX3946ETG+ Maxim Integrated Products, MAX3946ETG+ Datasheet - Page 27

• Manufacturer Part Number: MAX3946ETG+
• Description: IC LASER DVR SFP 11.3GBPS 24TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Driverr

Specifications of MAX3946ETG+

• Data Rate: 11.3Gbps
• Number Of Channels: 1
• Voltage - Supply: 2.85 V ~ 3.63 V
• Current - Supply: 68mA
• Current - Modulation: 80mA
• Current - Bias: 80mA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 12-WFQFN, Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1.0625Gbps to 11.3Gbps, SFP+ Laser Driver
with Laser Impedance Mismatch Tolerance
4.7kI TO 10kI
4.7kI TO 10kI
______________________________________________________________________________________
HOST BOARD
TX_FAULT
FR4 MICROSTRIP UP
FR4 MICROSTRIP UP
HOST FILTER
HOST FILTER
Z
Z
LOS
DIFF
DIFF
V
V
TO 5.5in
TO 12in
CC
MODE_DEF1 (SCL)
MODE_DEF2 (SDA)
CC
= 100I
= 100I
V
RATE SELECT
V
TX_DISABLE
CC
CC
SFP CONNECTOR
Typical Application Circuit for 10GBASE-LR
0.1µF
0.1µF
0.1µF
0.1µF
V
CC
V
CC
(3.3V)
(3.3V)
TIN+
TIN-
FAULT
DISABLE
CAZ
LOS
ROUT+
ROUT-
I
SFP CONTROLLER
2
V
C
CCD
DS1878
SUPPLY FILTER
SUPPLY FILTER
11.3G FP/DFB
11.3G LAM
MAX3946
MAX3945
V
LDD
V
V
CCR
EET
EE
INTERFACE
3-WIRE
SFP+ OPTICAL TRANSCEIVER
INTERFACE
3-WIRE
V
SOFTWARE
INTERFACE
CCT
ADC
3-WIRE
TOUT+
RPMIN
TOUT-
BMON
BMAX
CSEL
CSEL
BIAS
RIN+
RIN-
SCL
SDA
SCL
SDA
0.1µF
0.1µF
10G PIN ROSA
R
2
10G DFB-
R
TOSA
1
R
R
PD
MON
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