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參數(shù)資料
| 型號(hào)： | LMX2335USLB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 1200 MHz, PQCC16 |
| 封裝： | PLASTIC, CSP-16 |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 379K |
| 代理商： | LMX2335USLB |
Typical Application Example
DS101367-11
Operational Notes:
*
VCO is assumed AC coupled.
**
R
IN increases impedance so that VCO output power is provided to the load rather than the PLL. Typical values are 10
to 200
depending on the VCO power level. f
IN RF1 impedance ranges from 40 to 100.fIN RF2 impedances are
higher.
***
50
termination is often used on test boards to allow use of external reference oscillator. For most typical products a
CMOS clock is used and no terminating resistor is required. OSC
inmay be AC or DC coupled. AC coupling is
recommended because the input circuit provides its own bias. (See
Figure below).
****
R2 configured F
oLD for use in FastLock mode.
***** Adding RC filters to the V
CC lines is recommended to reduce loop-to-loop noise coupling.
DS101367-12
Application Hints:
Proper use of grounds and bypass capacitors is essential to achieve a high level of performance. Crosstalk between pins can be reduced by careful board
layout.
This is an electrostatic sensitive device. It should be handled only at static free work stations.
LMX2335U/LMX2336U
www.national.com
13
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2335USLBX | 功能描述:IC FREQ SYNTH DUAL 16LAMINATECSP 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:PLLatinum™ 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:* |
| LMX2335UTM | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications |
| LMX2335UTM/NOPB | 功能描述:IC FREQ SYNTHESIZER DUAL 16TSSOP RoHS:是 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:PLLatinum™ 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:* |
| LMX2335UTMX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications |
| LMX2336 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications |
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