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參數(shù)資料
| 型號： | MAX9450_07 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Precision Clock Generators with Integrated VCXO |
| 中文描述： | 高精度時鐘發(fā)生器集成壓控 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大?。?/td> | 323K |
| 代理商： | MAX9450_07 |
M
High-Precision Clock Generators
with Integrated VCXO
_______________________________________________________________________________________
7
GNDA
V
DDA
V
DD
GND
VCXO
CRYSTAL
15MHz TO 160MHz
FUNDAMENTAL MODE
AND AT CUT
LOCK DET
1/M
LUT FOR P
LOOP FILTER
RJ
LP2
60nF
6nF
10k
Ω
LP1
X1
X2
I
2
C PORT
SCL
SDA
LUT FOR N1, N2
LUT FOR M
AD0
AD1
IN0+
IN0-
IN1+
IN1-
SEL0
SEL1
0
1
CLK
MONITOR
CMON
INT
1/N1
CLK1+
CLK1-
OE
CLK0+
CLK0-
1/N0
1/P
PFD/CP
MR
SPI PORT
CONTROL
REGISTERS
GND/CS
MUX
LOCK
12k
Ω
TO 200k
Ω
DIV0
DIV1
MAX9450
MAX9451
MAX9452
Functional Diagram
Detailed Description
The MAX9450/MAX9451/MAX9452 clock generators
provide high-precision clocks for timing in SONET/SDH
systems or Gigabit Ethernet systems. The MAX9450/
MAX9451/MAX9452 can also provide clocks for the
high-speed and high-resolution ADCs and DACs in 3G
base stations. Additionally, the MAX9450/MAX9451/
MAX9452 can be used as a jitter attenuator for generat-
ing high-precision clock signals.
The MAX9450/MAX9451/MAX9452 feature two differen-
tial inputs and two differential clock outputs. The inputs
accept LVPECL, LVDS, and LVCMOS signals. The
input reference clock ranges from 8kHz to 500MHz and
the output clock ranges from 15MHz to 160MHz. The
internal clock monitor observes the condition of the
input reference clocks and provides a hitless switch
when an input failure is detected. The MAX9450/
MAX9451/MAX9452 also provide holdover in case no
input clock is supplied.
Control and Status Registers
The MAX9450/MAX9451/MAX9452 contain eight 8-bit
control registers named CR0 to CR7. The registers are
accessible through the I
2
C/SPI interface. CR0 is for the
frequency-dividing factor, P. CR1 and CR2 hold the
values of the divider, M. CR3 and CR4 are for dividers
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX9451EHJ | High-Precision Clock Generators with Integrated VCXO |
| MAX9452EHJ | High-Precision Clock Generators with Integrated VCXO |
| MAX9471 | Multiple-Output Clock Generators with Dual PLLs and OTP |
| MAX9471ETP | Multiple-Output Clock Generators with Dual PLLs and OTP |
| MAX9472 | Multiple-Output Clock Generators with Dual PLLs and OTP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9450EHJ | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Not Available From Mouser RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX9450EHJ+ | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 High-Precision Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX9450EHJ+T | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 High-Precision Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX9450EHJ-T | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 High-Precision Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX9450EVKIT | 制造商:Microsemi Corporation 功能描述:MAX9450 Evaluation Kit 制造商:Microsemi Corporation 功能描述:MAX9450 EVALUATION KIT - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:KIT EVALUATION MAX MAX9450 制造商:Microsemi Corporation 功能描述:KIT EVALUATION MAX MAX9450 |
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