參數(shù)資料
型號： LMK04033BEVAL
廠商： National Semiconductor
文件頁數(shù)： 38/65頁
文件大小： 0K
描述： BOARD EVAL FOR LMK04033BISQ
標準包裝： 1
系列： PowerWise®
主要目的： 計時，時鐘調(diào)節(jié)器
嵌入式： 否
已用 IC / 零件： LMK04033
主要屬性： 122.88 MHz VCXO
次要屬性： 集成式 PLL 和 VCO
已供物品： 板，線纜，文檔
C
Po
u
t1
LEuWire
CLKuWire
DATAuWire
GOE
LD
(optional)
To Host
C
L
Ko
u
t0
C
L
Ko
u
t0
*
C
L
Ko
u
t1
*
C
L
Ko
u
t1
C
L
Ko
u
t2
B
C
L
Ko
u
t2
A
C
L
Ko
u
t3
*
C
L
Ko
u
t3
C
L
Ko
u
t4
*
C
L
Ko
u
t4
To
System
SYNC*
C
L
Ki
n
0
C
L
Ki
n
0
*
Bias
Vcc
LDObyp1
LDObyp2
10 PF
0.1 PF
1 PF
0.1 PF
LMK040xx
100
VCXO
OSCin
OSCin*
100
0.1 uF
CLKin1*
CLKin1
0.1 PF
To
System
To Host
CPout2
100 pF
To
System
Fout
Reference Clock #1
(Primary)
Reference Clock #2
(Secondary)
PLL1 Loop Filter
PLL2 Loop Filter
Rterm
0.1 PF
120
120
To
System
To
System
51
0.1 PF
120
120
To
System
0.47 PF
D
L
D
_
BYP
3
p
F
3
p
F
3
p
F
0.1 PF
SNOSAZ8J – SEPTEMBER 2008 – REVISED SEPTEMBER 2011
APPLICATION INFORMATION
System Level Diagram
The following diagram illustrates the typical interconnection of the LMK040xx in a clocking application.
Figure 13. Typical Application
Figure 13 shows an LMK04000 family device with external circuitry. The primary reference clock input is at
CLKin0/0*. A secondary reference clock is driving CLKin1/1*. Both clocks are depicted as AC coupled differential
drivers. The VCXO attached to the OSCin/OSCin* port is configured as an AC coupled single-ended driver. Any
of the input ports (CLKin0/0*, CLKin1/1*, or OSCin/OSCin*) may be configured as either differential or single-
ended. These options are discussed later in the data sheet.
The diagram shows an optional connection between the LD pin and GOE. With this arrangement, the LD pin can
be programmed to output a lock detect signal that is active HIGH (see Table 29 for optional LD pin outputs). If
lock is lost, the LD pin will transition to a LOW, pulling GOE low and causing all clock outputs to be disabled.
This scheme should be used only if disabling the clock outputs is desirable when lock is lost.
Copyright 2008–2011, Texas Instruments Incorporated
43
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMK04033BEVAL/NOPB 功能描述:時鐘和定時器開發(fā)工具 LMK04033BISQ EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V
LMK04033BISQ 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low-Noise Clock Jitter Cleaner with Cascaded PLLs
LMK04033BISQ/NOPB 功能描述:時鐘合成器/抖動清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
LMK04033BISQE 制造商:Texas Instruments 功能描述:Clock Conditioner 48-Pin LLP EP T/R 制造商:Texas Instruments 功能描述:PRECISION CLOCK CONDITIONER, 48LLP
LMK04033BISQE/NOPB 功能描述:時鐘合成器/抖動清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
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