User Manual

MAX3673
Low-Jitter Frequency Synthesizer
with Selectable Input Reference
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REFCLK0
REFCLK0
OUTA3
CPLL
0.1μF
+3.3V
0.1μF
CREG
V
CC
VCC_VCO
0.22μF
+3.3V
Z = 50Ω
DM
FB_IN
FB_IN
SEL_CLK
PLL_BYPASS
DA
DB
Z = 50Ω
0.1μF
0.1μF
61.44MHz
TIMING
CARD
150Ω
Z = 50Ω
Z = 50Ω
150Ω
OUTA3
50Ω
0.1μF
0.1μF
ASIC
153.6MHz
FB_SEL
MR
OUTA_EN
OUTB_EN
REFCLK1
REFCLK1
GND EP LOCK IN0FAIL IN1FAIL
MAX3673
50Ω
50Ω
0.1μF
50Ω
0.1μF
OUTA0
150Ω
Z = 50Ω
Z = 50Ω
150Ω
OUTA0
50Ω
0.1μF
0.1μF
ASIC
153.6MHz
50Ω
0.1μF
OUTB4
150Ω
Z = 50Ω
Z = 50Ω
150Ω
OUTB4
50Ω
0.1μF
0.1μF
CPRI
SerDes
122.88MHz
50Ω
0.1μF
OUTB0
150Ω
Z = 50Ω
Z = 50Ω
150Ω
OUTB0
50Ω
0.1μF
0.1μF
CPRI
SerDes
122.88MHz
50Ω
0.1μF
Typical Application Circuits