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參數(shù)資料
| 型號(hào)： | MK2059-01SILFTR |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 7/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VCXO CLK JITTER ATTEN 20-SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 時(shí)鐘頻率變換器 |
| PLL： | 是 |
| 輸入： | LVCMOS |
| 輸出： | LVCMOS |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:1 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 25.92MHz |
| 除法器/乘法器： | 是/無 |
| 電源電壓： | 3.15 V ~ 3.45 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC |
| 包裝： | 帶卷 (TR) |
MK2059-01
VCXO-BASED FRAME CLOCK FREQUENCY TRANSLATOR
VCXO AND SYNTHESIZER
IDT VCXO-BASED FRAME CLOCK FREQUENCY TRANSLATOR
5
MK2059-01
REV H 051310
A “normalized” PLL loop bandwidth may be calculated as
follows:
The “normalized” bandwidth equation above does not take
into account the effects of damping factor or the second
pole. However, it does provide a useful approximation of
filter performance.
The loop damping factor is calculated as follows:
Where:
RZ = Value of resistor in loop filter (Ohms)
ICP = Charge pump current (amps)
(refer to Charge Pump Current Table, below)
N = Crystal multiplier shown in the above table
C1 = Value of capacitor C1 in loop filter (Farads)
As a general rule, the following relationship should be
maintained between components C1 and C2 in the loop
filter:
Charge Pump Current Table
found on the IDT web site.
Series Termination Resistor
Clock output traces over one inch should use series
termination. To series terminate a 50
trace (a commonly
used trace impedance), place a 33
resistor in series with
the clock line, as close to the clock output pin as possible.
The nominal impedance of the clock output is 20
. (The
optional series termination resistor is not shown in the
External Component Schematic.)
Decoupling Capacitors
As with any high performance mixed-signal IC, the
MK2059-01 must be isolated from system power supply
noise to perform optimally.
Decoupling capacitors of 0.01F must be connected
between each VDD and the PCB ground plane. To further
guard against interfering system supply noise, the
MK2059-01 should use one common connection to the PCB
power plane as shown in the diagram on the next page. The
ferrite bead and bulk capacitor help reduce lower frequency
noise in the supply that can lead to output clock phase
modulation.
Recommended Power Supply Connection for
Optimal Device Performance
RSET
Charge Pump Current
(ICP)
1.4 M
10
A
680 k
20
A
540 k
25
A
120 k
100
A
NBW
RS ICP
×
575
×
N
-----------------------------------------
=
Damping Factor
RS
625
I
CP
×
CS
×
N
-------------------------------------------
×
=
CP
CS
20
------
=
C onnec tion to 3.3V
Pow er Plane
Ferrite
B ead
B ulk D ec oupling C apac itor
(suc h as 1
F Tantalum )
VD D Pin
0.01
F D ecoupling C apacitors
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MK2059-01SITR | 功能描述:IC VCXO CLK JITTER ATTEN 20-SOIC 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/無 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:* |
| MK2069-01 | 制造商:ICS 制造商全稱:ICS 功能描述:VCXO-Based Line Card Clock Synchronizer |
| MK2069-01GI | 功能描述:IC VCXO CLK SYNCHRONIZER 56TSSOP 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/無 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:* |
| MK2069-01GILF | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 VCXO-BASED LINE CARD CLOCK SYNCHRONIZER 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 |
| MK2069-01GILFTR | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 VCXO-BASED LINE CARD CLOCK SYNCHRONIZER 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 |
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