MAX3643ETG+ Maxim Integrated Products, MAX3643ETG+ Datasheet - Page 9

• Manufacturer Part Number: MAX3643ETG+
• Description: IC LASR DRVR 2.5GBPS 3.6V 24TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Driver (Fiber Optic)r

Specifications of MAX3643ETG+

• Data Rate: 2.5Gbps
• Number Of Channels: 1
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 32mA
• Current - Modulation: 85mA
• Current - Bias: 70mA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-TQFN Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 1. Functional Diagram
155Mbps to 2.5Gbps Burst-Mode Laser Driver
IN+
IN-
BEN+
BEN-
IMAX
EN
VREF
1.2V
V
CC
LVPECL
LVPECL
VMSET
MAX3643
CMOS
_______________________________________________________________________________________
V
CC
R
MOD
MODSET VBSET
I
1
LIMIT
I
M
= 88 x I
R
1
BIAS
BIASSET
I
2
BCMON
V
CC
I
I
B
BCMON
= 88 x I
LIMIT
= I
2
B
x
0.014
CMOS
BENOUT
MDOUT
BIAS+
MDIN
OUT+
BIAS-
OUT-
15Ω
10Ω
R
D
R
D
V
CC
L
P
R
C
COMP
COMP
V
CC
R
P
9