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參數(shù)資料
| 型號： | LMX2312U |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | PLLatinum⑩ Ultra Low Power Frequency Synthesizer for RF Personal Communications |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 1200 MHz, QCC20 |
| 封裝： | THIN, CSP-20 |
| 文件頁數(shù)： | 1/29頁 |
| 文件大?。?/td> | 662K |
| 代理商： | LMX2312U |
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LMX2310U/LMX2311U/LMX2312U/LMX2313U
PLLatinum
Ultra Low Power Frequency Synthesizer for
RF Personal Communications
LMX2310U
2.5 GHz
LMX2312U
1.2 GHz
General Description
The LMX2310/1/2/3U are high performance frequency syn-
thesizers. The LMX2310/1/2U use a selectable, dual modu-
lus 32/33 and 16/17 prescaler. The LMX2313U uses a se-
lectable, dual modulus 16/17 and 8/9 prescaler. The device,
when combined with a high quality reference oscillator and a
voltage controlled oscillator, generates very stable, low noise
local oscillator signals for up and down conversion in wire-
less communication devices.
Serial data is transferred into LMX2310/1/2/3U via a three-
wire interface (Data, Enable, Clock) that can be directly
interfaced with low voltage baseband processors. Supply
voltage can range from 2.7V to 5.5V. LMX2310U features
very low current consumption, typically 2.3 mA at 3.0V.
The LMX2310/1/2/3U are manufactured using National’s
0.5μ ABiC V silicon BiCMOS process and is available in
20-pin CSP packages.
LMX2311U
LMX2313U
Features
n
RF operation up to 2.5 GHz
n
2.7V to 5.5V operation
n
Ultra Low Current Consumption
n
Low prescaler values
LMX2310/1/2U 32/33 or 16/17
LMX2313U 16/17 or 8/9
n
Excellent Phase Noise
n
Internal balanced, low leakage charge pump
n
Selectable Charge Pump Current Levels
n
Selectable Fastlock mode with Time-Out Counter
n
Low Voltage MICROWIRE interface (1.72V to V
CC
)
n
Digital and Analog Lock Detect
n
Small 20-pad Thin Chip Scale Package
2.0 GHz
600 MHz
Applications
n
Cellular DCS, PCS, WCDMA telephone systems
n
Wireless Local Area Networks (WLAN)
n
Global Positioning Systems (GPS)
n
Other wireless communications systems
Functional Block Diagram
20043822
PLLatinum
is a trademark of National Semiconductor Corporation.
December 2003
L
f
2003 National Semiconductor Corporation
DS200438
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LMX2314 | 1.2 GHz Frequency Synthesizer for RF Personal Communications |
| LMX2314M | 1.2 GHz Frequency Synthesizer for RF Personal Communications |
| LMX2314MX | 1.2 GHz Frequency Synthesizer for RF Personal Communications |
| LMX2315 | Frequency Synthesizer for RF Personal Communications |
| LMX2315TM | Frequency Synthesizer for RF Personal Communications |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2312USLDX | 制造商:MAJOR 功能描述: |
| LMX2312USLDX/NOPB | 功能描述:IC FREQ SYNTH 1.2GHZ 20LAMTCSP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標準包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 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:* 供應商設備封裝:* 包裝:* |
| LMX2313U | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ Ultra Low Power Frequency Synthesizer for RF Personal Communications |
| LMX2313USLDX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ Ultra Low Power Frequency Synthesizer for RF Personal Communications |
| LMX2313USLDX/NOPB | 功能描述:IC FREQ SYNTH 600MHZ 20LAMTCSP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:PLLatinum™ 標準包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 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:* 供應商設備封裝:* 包裝:* |
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