參數(shù)資料
型號: SI552
廠商: Silicon Laboratories Inc.
英文描述: DUAL FREQUENCY VCXO (10 MHZ TO 1.4 GHZ)
中文描述: 雙頻石英振蕩器(10 MHz至1.4 GHz)
文件頁數(shù): 3/8頁
文件大?。?/td> 180K
代理商: SI552
Si552
Preliminary Rev. 0.2
3
RMS Jitter for F
OUT
of 125 to
500 MHz
12 kHz to 20 MHz
50 kHz to 80 MHz
0.61
0.52
ps
125 < F
OUT
< 500 MHz
Differential Modes:
LVPECL/LVDS/CML
Period Jitter for F
OUT
< 160 MHz
Peak-to-Peak
RMS
7
2
ps
Any output
N = 1000 cycles
LVPECL Output Option
mid-level
swing (diff)
swing (single-ended)
V
DD
– 1.42
1.1
0.5
V
DD
– 1.25
1.9
0.93
V
V
PP
V
PP
50
to V
DD
– 2.0 V
LVDS Output Option
mid-level
swing (diff)
1.125
0.5
1.2
0.7
1.275
0.9
V
V
PP
R
term
= 100
(differential)
CML Output Option
mid-level
swing
0.35
V
DD
– 0.36
0.425
0.5
V
V
PP
Rterm = 100
(differential)
CMOS Output Option
V
OH
V
OL
0.8xV
DD
V
DD
0.4
V
C
L
= 15 pF
Rise/Fall time
1
350
ps
ns
CML/LVPECL/LVDS at 20% / 80%
CMOS
Inputs
Voltage
3.3 V option
2.5 V option
1.8 V option
2.97
2.25
1.71
3.3
2.5
1.8
3.63
2.75
1.89
V
Optional parameter specified by P/N
Supply Current
90
mA
Control Voltage (V
C
)
0
V
DD
V
Tuning range for control voltage
Frequency Select
V
IL
V
IH
0
0.75 x V
DD
0.5
V
DD
V
“0” selects F1
“1” selects F2
Table 2. Absolute Maximum Ratings
Parameter
Symbol
Rating
Units
Supply Voltage
V
DD
–0.5 to +3.8
V
Storage Temperature
T
S
–55 to +125
°C
Table 1. Si552 Electrical Specifications (Continued)
Parameter
Min
Typ
Max
Units
Notes
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