参数资料
型号: ICS81006AKLFT
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 40 MHz, OTHER CLOCK GENERATOR, QCC20
封装: 4 X 4 MM, 0.95 MM HEIGHT, MO-220, VFQFN-20
文件页数: 15/15页
文件大小: 678K
代理商: ICS81006AKLFT
IDT / ICS VCXO-TO-LVCMOS OUTPUTS
9
ICS81006AK REV A OCTOBER 2, 2006
ICS81006
VCXO-TO-6 LVCMOS OUTPUTS
APPLICATION INFORMATION
Oscillator
FIGURE 1: VCXO OSCILLATOR CIRCUIT
V
C
V
C
S1
C
L1
C
S2
C
L2
C
V
XTAL
VCXO (Internal)
Optional
Control Voltage
TABLE 5. EXAMPLE CRYSTAL PARAMETERS
l
o
b
m
y
Sr
e
t
e
m
a
r
a
Ps
n
o
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t
i
d
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C
t
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e
Tm
u
m
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n
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Ml
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c
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p
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Tm
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m
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a
Ms
t
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l
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4
.
9
1z
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M
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T
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a
r
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T
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r
F
0
2
±m
p
f
S
y
t
il
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b
a
t
S
y
c
n
e
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q
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r
F
0
2
±m
p
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R
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T
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00
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°
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2
1F
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4F
p
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,
0 C1
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20
4
2
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C
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5
2
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F
VCXO CRYSTAL SELECTION
Choosing a crystal with the correct characteristics is one of the
most critical steps in using a Voltage Controlled Crystal Oscillator
(VCXO). The crystal parameters affect the tuning range and
V
C
Control voltage used to tune frequency
C
V
Varactor capacitance, varies due to the change in
control voltage
accuracy of a VCXO. Below are the key variables and an example
of using the crystal parameters to calculate the tuning range of
the VCXO.
C
L1, CL2
Load tuning capacitance used for fine tuning or
centering nominal frequency
C
S1, CS2
Stray Capacitance caused by pads, vias, and other
board parasitics
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ICS81006AKT 制造商:ICS 制造商全称:ICS 功能描述:VCXO-TO-6 LVCMOS OUTPUTS
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ICS810251AGI-08LFT 功能描述:IC VCXO ATTEN SYNC ETH 16TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器,PLL,频率合成器 系列:- 标准包装:1,000 系列:- 类型:时钟/频率合成器,扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP(8x8) 包装:带卷 (TR) 其它名称:844S012AKI-01LFT