參數(shù)資料
型號(hào)： MK2069-03GITR
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 時(shí)鐘產(chǎn)生/分配
英文描述： 160 MHz, OTHER CLOCK GENERATOR, PDSO56
封裝： 6.10 MM, 0.50 MM PITCH, TSSOP-56
文件頁(yè)數(shù)： 18/20頁(yè)
文件大小： 204K
代理商： MK2069-03GITR
MK2069-03
VCXO-BASED CLOCK TRANSLATOR WITH HIGH MULTIPLICATION
VCXO AND SYNTHESIZER
IDT / ICS VCXO-BASED CLOCK TRANSLATOR WITH HIGH MULTIPLICATION 7
MK2069-03
REV J 030906
CP establishes a second pole in the VCXO PLL loop filter.
For higher damping factors (> 1), calculate the value of CP
based on a CS value that would be used for a damping factor
of 1. This will minimize baseband peaking and loop
instability that can lead to output jitter.
CP also dampens VCXO input voltage modulation by the
charge pump correction pulses. A CP value that is too low
will result in increased output phase noise at the phase
detector frequency due to this. In extreme cases where
input jitter is high, charge pump current is high, and CP is too
small, the VCXO input voltage can hit the supply or ground
rail resulting in non-linear loop response.
The best way to set the value of CP is to use the filter
response software available from ICS (please refer to the
following section). CP should be increased in value until it
just starts affecting the passband peak.
Loop Filter Response Software
Online tools to calculate loop filter response can be found at
www.idt.com/?app=calculators&source=support_menu.
Graph of Charge Pump Current vs. Value of RSET (external resistor)
Charge Pump Current, Example Settings from
Above Graph
Notes on Setting Charge Pump Current
The recommended range for the charge pump current is 25
μA to 300 μA. Below 25 μA, loop filter charge leakage, due
to PCB or capacitor leakage, can become a problem. This
loop filter leakage can cause locking problems, output clock
cycle slips, or low frequency phase noise.
As can be seen in the loop bandwidth and damping factor
equations or by using the filter response software available
from ICS, increasing charge pump current (ICP) increases
both bandwidth and damping factor.
C
P
C
S
20
------
=
10E-6
100E-6
1E-3
100E+3
1E+6
10E+6
RSET, ohms
I CP
,A
m
ps
Recommended Range
of Operation
RSET
Charge Pump Current
(ICP)
5 M
Ω
25
μA
3 M
Ω
42
μA
2 M
Ω
65
μA
1 M
Ω
125
μA
480 k
Ω
255
μA
400 k
Ω
300
μA
相關(guān)PDF資料
PDF描述
MK2069-03GITR 160 MHz, OTHER CLOCK GENERATOR, PDSO56
MK2069-04GITR 160 MHz, OTHER CLOCK GENERATOR, PDSO56
MK2069-04GI 160 MHz, OTHER CLOCK GENERATOR, PDSO56
MK20DN512ZVLL10 RISC MICROCONTROLLER, PQFP100
MK20DN512ZVLQ10 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PQFP144
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MK2069-04 制造商:ICS 制造商全稱:ICS 功能描述:VCXO-Based Universal Clock Translator
MK2069-04GI 功能描述:IC VCXO CLK TRANSLATOR 56-TSSOP RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:- 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無(wú)/無(wú) 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
MK2069-04GILF 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 VCXO-BASED UNIVERSAL CLOCK TRANSLATOR 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
MK2069-04GILFTR 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 VCXO-BASED UNIVERSAL CLOCK TRANSLATOR 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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
MK2069-04GITR 功能描述:IC VCXO CLK TRANSLATOR 56-TSSOP RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器，PLL，頻率合成器 系列:- 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無(wú)/無(wú) 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*