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參數(shù)資料
| 型號： | NB2779ASNR2 |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 0K |
| 描述： | IC CLOCK SYNTHESIZR 4MA TSOT-6 |
| 產(chǎn)品變化通告： | Product Discontinuation 20/Aug/2008 |
| 標(biāo)準包裝： | 2,500 |
| 類型： | 時鐘/頻率合成器 |
| PLL： | 是 |
| 輸入： | CMOS，晶體 |
| 輸出： | CMOS |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 30MHz |
| 除法器/乘法器： | 是/無 |
| 電源電壓： | 2.375 V ~ 3.6 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SC-74，SOT-457 |
| 供應(yīng)商設(shè)備封裝： | 6-TSOP |
| 包裝： | 帶卷 (TR) |
Semiconductor Components Industries, LLC, 2010
November, 2010 -- Rev. 4
1
Publication Order Number:
NB2779A/D
NB2779A
Low Power, Reduced EMI
Clock Synthesizer
The NB2779A is a versatile spread spectrum frequency modulator
designed specifically for a wide range of clock frequencies. The
NB2779A reduces ElectroMagnetic Interference (EMI) at the clock
source, allowing system wide reduction of EMI of all clock dependent
signals. The NB2779A allows significant system cost savings by
reducing the number of circuit board layers, ferrite beads and
shielding that are traditionally required to pass EMI regulations.
The NB2779A uses the most efficient and optimized modulation
profile approved by the FCC and is implemented by using a
proprietary all digital method.
The NB2779A modulates the output of a single PLL in order to
“spread” the bandwidth of a synthesized clock, and more importantly,
decreases the peak amplitudes of its harmonics. This results in
significantly lower system EMI compared to the typical narrow band
signal produced by oscillators and most frequency generators.
Lowering EMI by increasing a signal’s bandwidth is called ‘spread
spectrum clock generation’.
The NB2779A is targeted towards all portable devices with very
low power requirements like MP3 players and digital still cameras.
Features
Generates an EMI Optimized Clocking Signal at the Output
Integrated Loop Filter Components
Operates with a 3.3 V / 2.5 V Supply
Operating Current less than 4.0 mA
Low Power CMOS Design
Input Frequency Range: 13 MHz to 30 MHz for Both Voltages
Generates a 1X Low EMI Spread Spectrum clock of the Input
Frequency
Frequency Deviation 1% @ 16 MHz
Available in TSOP--6 Package (TSOT--23--6)
Pb--Free Package is Available
MARKING
DIAGRAM*
*For additional marking information, refer to
Application Note AND8002/D.
TSOP--6
(TSOT--23--6)
SN SUFFIX
CASE 318G
Seedetailedorderingandshippinginformationinthepackage
dimensions section on page 7 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
1
6
E06 = Specific Device Code
A
= Assembly Location
Y
= Year
W
= Work Week
G
= Pb--Free Package
E06AYWG
G
1
(Note: Microdot may be in either location)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NB2779ASNR2G | 功能描述:時鐘合成器/抖動清除器 HF - EMI REDUCER 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 |
| NB2780A | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Low Power, Reduced EMI Clock Synthesizer |
| NB2780ASNR2 | 功能描述:鎖相環(huán) - PLL 2.5V/3.3V Low Power RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| NB2780ASNR2G | 功能描述:鎖相環(huán) - PLL HF - EMI REDUCER RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray |
| NB2869A | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Low Power, Reduced EMI Clock Synthesizer |
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