Datasheet

MAX3740A
3.2Gbps SFP VCSEL Driver with Diagnostic
Monitors
14 ______________________________________________________________________________________
24 23 22 21 20 19
PWRMON REF
MD COMP V
CC
BIASMON
7 8 9
10 11 12
V
CC
TC1 TC2
GND
MODSET
PEAKSET
13
14
15
16
17
18
*EXPOSED PAD IS CONNECTED TO GND
*EP
GND
OUT-
OUT+
V
CC
BIASSET
BIAS
6
5
4
3
2
1
SQUELCH
FAULT
IN-
IN+
TX_DISABLE
GND
MAX3740A
THIN QFN (4mm x 4mm)
TOP VIEW
Pin Configuration
Chip Information
TRANSISTOR COUNT: 3806
PROCESS: SiGe BIPOLAR
Package Information
For the latest package outline information and land patterns,
go to www.maxim-ic.com/packages
. Note that a “+”, “#”, or
“-” in the package code indicates RoHS status only. Package
drawings may show a different suffix character, but the drawing
pertains to the package regardless of RoHS status.
SAFETY
CIRCUITRY
TX_DISABLE
FAULT
V
CC
IN+
IN-
OUT-
OUT+
MODULATION CURRENT
GENERATOR
BIAS
GENERATOR
WITH APC
ENABLE
ENABLE
100Ω
LASER
MODULATOR
PEAKING
CONTROL
COMP MD REF PWRMON
BIAS
BIASSET
BIASMON
PEAKSET
TC1 TC2 MODSET
SQUELCH
SIGNAL
DETECT
MAX3740A
Functional Diagram
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
24 TQFN-EP
(4mm x 4mm x
0.75mm)
T2444-4
21-0139