Datasheet

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MAX3945
1.0625Gbps to 11.3Gbps,
SFP+ Dual-Path Limiting Amplifier
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.
Typical Application Circuit
MAX3945
LOS
ROUT+
ROUT-
V
EE
EP CAZ
0.1µF
C
OUT
0.1µF
0.1µF
C
IN
0.1µF
RIN+
RPMIN
V
CCR
RIN-
SCL
CSEL
SDA
0.1µF
4.7kΩ
R
RPMIN
2kΩ
I
RPMIN
100pF
10G PIN
FLEX ROSA
3-WIRE
INTERFACE
11.3Gbps
POWER-ON RESET
+3.3V
SFP+ OPTICAL RECEIVER
SFP
CONNECTOR
HOST BOARD
VCC_RX
+3.3V
3-WIRE
INTERFACE
ADC
I
2
C
SFP+
CONTROLLER
MODE_DEF2 (SDA)
MODE_DEF1 (SCL)
RATE SELECT
SUPPLY
FILTER
HOST
FILTER
Z
DIFF
= 100Ω
SerDes
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
16 TQFN-EP T1633+5
21-0136