Rainbow Electronics MAX3673 - Manual (Page 14)

MAX3673
Low-Jitter Frequency Synthesizer
with Selectable Input Reference
14 ______________________________________________________________________________________
150 Ω
Z = 50 Ω
Z = 50 Ω
150 Ω
LVPECL LVPECL
50 Ω
50 Ω
0.1 μF
0.1 μF
+3.3V +3.3V
0.1 μF
Figure 8. AC-Coupled LVPECL Termination
TOP VIEW
THIN QFN
(8mm × 8mm × 0.8mm)
42 GND IN0FAIL 1
41 V CC RSVD1 2
40 OUTA2 RSVD2 3
39 OUTA2 REFCLK0 4
38 OUTA3 REFCLK0 5
37 OUTA3 DM 6
36 OUTA_EN V CC 7
35 OUTB_EN GND 8
34 OUTB4 MR 9
33 OUTB4 REFCLK1 10
32 OUTB3 REFCLK1 11
31 OUTB3 SEL_CLK 12
30 V CC VCC_VCO 13
29 GND GND 14
15
56
CPLL
IN1FAIL
16
55
CREG
LOCK
17
54
FB_SEL
RSVD4
18
53
FB_IN
GND
19
52
FB_IN
V
CC
20
51
OUTB0
RSVD3
21
50
OUTB0
PLL_BYPASS
22
49
V
CC
V
CC
23
48
GND
GND
24
47
OUTB1
OUTA0
25
46
OUTB1
OUTA0
26
45
OUTB2
OUTA1
27
44
OUTB2
OUTA1
28
43
DB
DA
EP*
*THE EXPOSED PAD OF THE TQFN PACKAGE MUST BE SOLDERED TO GROUND FOR PROPER THERMAL AND
ELECTRICAL OPERATION.
MAX3673
Pin Configuration