參數(shù)資料
型號: MAX9450EHJ
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 時鐘及定時
英文描述: High-Precision Clock Generators with Integrated VCXO
中文描述: 9450 SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
封裝: 5 X 5 MM, 1 MM HEIGHT, MS-026-AAA-HD, TQFP-32
文件頁數(shù): 3/18頁
文件大小: 323K
代理商: MAX9450EHJ
M
High-Precision Clock Generators
with Integrated VCXO
_______________________________________________________________________________________
3
DC ELECTRICAL CHARACTERISTICS (continued)
(V
DDA
= V
DD
= V
DDQ
= 2.4V to 3.6V, and V
DDQ
= 1.4V to 1.6V for MAX9451, T
A
= -40°C to +85°C. Typical values at V
DDA
= V
DD
=
V
DDQ
= 3.3V, and V
DDQ
= 1.5V for MAX9451, T
A
= +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
V
OS
CONDITIONS
MIN
1.05
TYP
1.2
MAX
1.35
UNITS
V
Output Offset Voltage
Change in V
OS
Between
Complementary Output States
Output Short-Circuit Current
SERIAL INTERFACE INPUT, OUTPUT (SCL, SDA,
CS
)
Δ
V
OS
10
35
mV
I
OS
Two output pins connected to GND
- 7.5
- 15
mA
Input High Level
V
IH
0.7
x V
DD
V
Input Low Level
V
IL
0.3
x V
DD
+1
0.4
V
Input Leakage Current
Output Low Level
Input Capacitance
POWER CONSUMPTION
I
IL
V
OL
C
I
-1
μA
V
pF
3mA sink current
10
MAX9450
MAX9451
MAX9452
MAX9450
MAX9451
MAX9452
55
70
65
55
65
14
85
94
88
80
80
25
V
DD
and V
DDA
Supply Current
I
CC1
Output clock
frequency =
155MHz
mA
V
DDQ
Supply Current
I
CC2
Output clock
frequency =
155MHz (MAX9450)
mA
AC ELECTRICAL CHARACTERISTICS
(V
DDA
= V
DD
= V
DDQ
= 2.4V to 3.6V, and V
DDQ
= 1.4V to 1.6V for MAX9451, T
A
= -40°C to +85°C. |V
ID
| = 200mV, V
COM
= |V
ID
/ 2| to
2.4 - |V
ID
/ 2|. Typical values at V
DDA
= V
DD
= V
DDQ
= 3.3V and V
DDQ
= 1.5V for MAX9451, T
A
= +25°C. C
L
= 10pF, clock output =
155.5MHz and clock input = 19.44MHz, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CLK OUTPUTS (CLK0, CLK1)
Reference Input Frequency
Output Frequency
VCXO Pulling Range
f
IN
f
OUT
Measured at IN0 or IN1
Measured at CLK0 or CLK1
C
L
= 8pF (Note 2)
Skew between CLK0 and CLK1
(MAX9450 and MAX9452)
Skew between C LK0 and C LK1 (M AX9451)
20% to 80% of output swing
80% to 20% of output swing
0.008
15
500
160
±60
MHz
MHz
ppm
50
90
Output-to-Output Skew
t
SKO
55
0.4
0.4
106
0.590
0.590
56
ps
Rise Time
Fall Time
Duty Cycle
Period Jitter (RMS)
t
R
t
F
ns
ns
%
ps
43
T
J
Measured at the band 12kHz to 20MHz
1kHz offset
10kHz offset
100kHz offset
1MHz offset
0.8
-70
-110
-130
-140
Phase Noise
dBc
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