MAX3941
Interface Schematics
Figures 7 and 8 show simplified input and output cir-
cuits of the MAX3941 EAM driver.
Exposed-Pad Package
The exposed pad on the 24-pin QFN provides a very low
thermal-resistance path for heat removal from the IC. The
pad is also electrically ground on the MAX3941 and must
be soldered to the circuit board for proper thermal and
electrical performance. Refer to Maxim Application Note
HFAN-08.1: Thermal Considerations for QFN and Other
Exposed-Pad Packages for additional Information.
Laser Safety and IEC 825
Using the MAX3941 EAM driver alone does not ensure
that a transmitter design is compliant with IEC 825. The
entire transmitter circuit and component selections must
be considered. Each customer must determine the level
of fault tolerance required by their application, recogniz-
ing that Maxim products are not designed or authorized
for use as components in systems intended for surgical
implant into the body, for applications intended to sup-
port or sustain life, or for any other application where the
failure of a Maxim product could create a situation where
personal injury or death may occur.
10Gbps EAM Driver with Integrated
Bias Network
10 ______________________________________________________________________________________
Figure 6. Functional Diagram
POLARITY
MAX3941
50 50
V
EE
V
EE
V
EE
50
50
50
R
OUT
50
50 50
D0
1
Q
MUX
RTEN MODEN PLRT
GND GND1 GND2
PWC
I
MOD
MODSET
+
V
MODSET
-
V
EE
V
EE
V
EE
I
BIAS
BIASSET
+
V
BIASSET
-
OUT
PWC+ PWC-
2k
CLK+
CLK-
DATA+
DATA-
Z
L
MAX3941
10Gbps EAM Driver with Integrated
Bias Network
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.
Package Information
For the latest package outline information, go to www.maxim-
ic.com/packages.
Pin Configuration
Chip Information
PART PACKAGE TYPE PACKAGE CODE
MAX3941ETG
24-Thin QFN
4mm x 4mm x 0.8mm
T2444-1
24
23
22
21
20
19
7
8
9
10
11
12
13
14
15
16
17
18
6
5
4
3
2
1
MAX3941
THIN QFN (4mm x 4mm)
TOP VIEW
DATA+
DATA-
GND
GND
CLK+
CLK-
EXPOSED PAD CONNECTED TO GROUND
V
EE
RTEN
MODEN
BIASSET
PLRT
V
EE
V
EE
GND2
OUT
GND1
GND
V
EE
V
EE
V
EE
MODSET
PWC-
PWC+
V
EE.
Figure 7. Simplified Input Circuit
MAX3941
DATA+/CLK+
50 50
GND
V
EE
DATA-/CLK-
Figure 8. Simplified Output Circuit
MAX3941
50
50
50
GND OUT
GND
V
EE
GND1 GND2
TRANSISTOR COUNT: 1918
PROCESS: SiGe Bipolar

MAX3941ETG+

Mfr. #:
Manufacturer:
Maxim Integrated
Description:
Buffers & Line Drivers 10Gbps EAM Driver w/Int Bias Network
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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