270Mbps SFP LED Driver
Typical Operating Circuits
SFP TRANSMITTER
+3.3V
FERRITE BEAD
DIFFERENTIAL
DATA
10kΩ
VCC
VCCOUT
DISABLE
TX_DISABLE
OUT-
+3.3V
+3.3V
82Ω
82Ω
CIN
CIN
120Ω
120Ω
OUT+
MAX3967
IN+
VEEOUT
IN-
VEE
PB1 PB2 PB3 TCMIN TCNOM TC MODSET
RMODSET
SFP TRANSMITTER WITH DIGITAL MONITOR
+3.3V
FERRITE BEAD
DIFFERENTIAL
DATA
10kΩ
DISABLE
+3.3V
+3.3V
82Ω
82Ω
CIN
CIN
120Ω
120Ω
VCC
TX_DISABLE
VCCOUT
OUT-
OUT+
MAX3967
IN+
VEEOUT
IN-
VEE
MON
PB1 PB2 PB3 TCMIN TCNOM TC MODSET
DIAGNOSTIC
IC
RMON
RMODSET
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