參數(shù)資料
型號(hào): MAX9471
廠商: Maxim Integrated Products, Inc.
英文描述: Multiple-Output Clock Generators with Dual PLLs and OTP
中文描述: 多輸出時(shí)鐘發(fā)生器,提供雙PLL和OTP
文件頁(yè)數(shù): 3/13頁(yè)
文件大小: 3400K
代理商: MAX9471
M
Multiple-Output Clock Generators with
Dual PLLs and OTP
_______________________________________________________________________________________
3
AC ELECTRICAL CHARACTERISTICS
(V
DD
= V
DDA
= +3.0V to +3.6V, T
A
= -40°C to +25°C. Typical values are at V
DD
= V
DDA
= 3.3V, T
A
= +25°C with f
XTL
= 27MHz, unless
otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT CLOCKS (CLK1, CLK2)
Minimum Frequency Range
Maximum Frequency Range
f
OUT
f
OUT
f
IN
= 5MHz to 50MHz
f
IN
= 5MHz to 50MHz, C
L
< 5pF
20% to 80% of V
DD
, C
L
= 10p F,
f
OUT
= 74.1758MHz (Figure 5)
4
MHz
MHz
133
200
Clock Rise Time
t
R
1.4
ns
Clock Fall Time
t
F
80% to 20% of V
DD
, C
L
= 10p F,
f
OUT
= 74.1758MHz (Figure 5)
f
OU T
= 74.1758M H z, C
L
= 10p F
125MHz, C
L
= 5p F, f
I N
= 27M H z
74.1758MHz, C
L
= 10p F,
f
I N
= 27M H z
1.2
ns
Duty Cycle
42
50
26.3
58
%
Output Period Jitter
J
P
33.6
RMSps
Soft Power-On Time
t
FST
S D A fr om l ow to hi g h,
f
OU T
= 71.1758M H z, f
I N
= 13M H z
( Fi g ur e 6)
1
ms
Hard Power-On Time
VCXO CLOCKS (CLK3, CLK4)
Crystal Frequency
Crystal Accuracy
Tuning Voltage Range
VCXO Tuning Range
TUNE Input Impedance
Output CLK Accuracy
Output Duty Cycle
Output Period Jitter
t
PO1
(Figure 6)
15
ms
f
XTL
27
±30
MHz
ppm
V
ppm
k
ppm
%
RMSps
V
TUNE
0.0
±150
3.0
V
TUNE
= 0 to 3V, C
1
= C
2
= 4.0p F
±200
95
±50
50
36
Z
TUNE
V
TUNE
= 1.5V, C
1
= C
2
= 4.0p F
C
L
= 10pF load, CLK3
C
L
= 10pF
20% to 80% of V
DD
(Figure 5),
C
L
= 10p F
40
60
Output Rise Time
t
R
1.4
ns
Output Fall Time
t
F
80% to 20% of V
DD
(Figure 5),
C
L
= 10p F
1.4
ns
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