參數(shù)資料
型號(hào)： ISPPAC-CLK5620V-01T100C
廠商： LATTICE SEMICONDUCTOR CORP
元件分類： 時(shí)鐘及定時(shí)
英文描述： LED Area Light; LED Color:Blue; Leaded Process Compatible:No; Light Emitting Area:80x80mm; Peak Reflow Compatible (260 C):No; Supply Current:250mA; Supply Voltage:24VDC; Wavelength:470nm
中文描述： 5600 SERIES, PLL BASED CLOCK DRIVER, 20 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP100
封裝： TQFP-100
文件頁(yè)數(shù)： 16/47頁(yè)
文件大?。?/td> 871K
代理商： ISPPAC-CLK5620V-01T100C
Lattice Semiconductor
ispClock5600 Family Data Sheet
16
Table 2. PAC-Designer Recommended Loop Filter Settings
Note that the choice of loop
fi
lter parameters can have signi
fi
cant effects on settling time, output jitter, and whether
the PLL will be fundamentally stable and be able to lock to an incoming signal. The values recommended in Table 2
were chosen to provide maximum loop stability while still providing exceptional jitter performance. Please note that
when the skew mode is set to ‘coarse’, the effective value of NxV must be considered to have doubled. Refer to the
section titled ‘Coarse Skew Mode’ on page 28 for further details.
The PLLs loop bandwidth is a function of both the divider con
fi
guration and the loop
fi
lter settings. Figure 12 shows
the loop bandwidth as a function of the total feedback division ratio (N x V
FBK
). For each NxV feedback divider point
in this plot, the PLL loop
fi
lter was set to the corresponding value recommended in Table 2. The use of non-recom-
mended loop
fi
lter settings may result in signi
fi
cantly different bandwidths for a given NxV divider setting.
Figure 12. PLL Loop Bandwidth vs. Feedback Divider Setting (nominal)
VCO
The ispClock5600 provides an internal VCO which provides an output frequency ranging from 320MHz to 640MHz.
The VCO is implemented using differential circuit design techniques which minimize the in
fl
uence of power supply
noise on measured output jitter. The VCO is also used to generate skews as a function of the total VCO period.
Using the VCO as the basis for controlling output skew allows for highly precise and consistent skew generation,
both from device-to-device, as well as channel-to-channel within the same device.
N x V
FBK
2 to 8
I (μA)
R (k
)
2.3
5
10
7
2.3
12 to 14
9
2.3
16
11
2.3
18 to 20
13
2.3
22
15
2.3
24 to 26
17
2.3
28
19
2.3
30
21
2.3
32 to 64
22
2.3
PLL Loop Bandwidth vs.
Feedback Divider Setting* (Typical)
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
0
16
32
48
64
N x V Feedback Division Product
*loop filter configured to recommended setting
L
相關(guān)PDF資料
PDF描述
ISPPAC-CLK5620V-01T100I In-System Programmable, Zero-Delay Clock Generator with Universal Fan-Out Buffer
ISPPAC-CLK5610V-01T48C Spot Light; LED Color:Blue; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Supply Current:160mA; Supply Voltage:30VDC; Wavelength:470nm
ISPPAC-CLK5620V-01T48C LED Area Light; LED Color:Green; Leaded Process Compatible:No; Light Emitting Area:62x62mm; Peak Reflow Compatible (260 C):No; Supply Current:200mA; Supply Voltage:24VDC; Wavelength:525nm
ISPPAC-CLK5610V-01T48I LED Area Light; LED Color:Green; Leaded Process Compatible:No; Light Emitting Area:80x80mm; Peak Reflow Compatible (260 C):No; Supply Current:250mA; Supply Voltage:24VDC; Wavelength:525nm
ISPPAC-CLK5620V-01T48I Linear Array Light; LED Color:Green; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Supply Current:800mA; Supply Voltage:24VDC; Wavelength:530nm
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISPPAC-CLK5620V-01T100I 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 PROGRAMMABLE ZERO DELAY CL GEN RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel
ISPPAC-CLK5620V-01T48C 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:In-System Programmable, Zero-Delay Clock Generator with Universal Fan-Out Buffer
ISPPAC-CLK5620V-01T48I 制造商:LATTICE 制造商全稱:Lattice Semiconductor 功能描述:In-System Programmable, Zero-Delay Clock Generator with Universal Fan-Out Buffer
ISPPAC-CLK5620V-01TN100C 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 PROGRAMMABLE ZERO DELAY CL GEN RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel
ISPPAC-CLK5620V-01TN100I 功能描述:時(shí)鐘驅(qū)動(dòng)器及分配 PROGRAMMABLE ZERO DELAY CL GEN RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel
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