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參數(shù)資料
| 型號(hào)： | LMX2515LQX1321 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | PLLatinum⑩ Frequency Synthesizer System with Integrated VCO |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 26 MHz, QCC28 |
| 封裝： | 5 X 5 MM, 0.75 MM HEIGHT, LLP-28 |
| 文件頁(yè)數(shù)： | 1/17頁(yè) |
| 文件大小： | 251K |
| 代理商： | LMX2515LQX1321 |
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LMX2515
PLLatinum
Frequency Synthesizer System
with Integrated VCO
General Description
LMX2515 is a highly integrated, high performance, low
power frequency synthesizer system optimized for Japan
PDC mobile handsets. Using a proprietary digital phase
locked loop technique, LMX2515 generates very stable, low
noise local oscillator signals for up and down conversion in
wireless communications devices.
LMX2515 includes a voltage controlled oscillator (VCO), a
loop filter, and a fractional-N RF PLL based on a delta sigma
modulator. In concert these blocks form a closed loop RF
synthesizer system. The LMX2515LQ0701 supports the Ja-
pan PDC800 band and the LMX2515LQ1321 supports Ja-
pan PDC1500 band.
Serial data is transferred to the device via a three-wire
MICROWIRE interface (DATA, LE, CLK).
Operating supply voltage ranges from 2.5 V to 3.3 V.
LMX2515 features low current consumption.
LMX2515 is available in a 28-pin leadless leadframe pack-
age (LLP).
Features
n
Small size
5.0 mm X 5.0 mm X 0.75 mm 28-Pin LLP Package
n
RF Synthesizer System
Integrated RF VCO
Integrated Loop Filter
Low Spurious, Low Phase Noise Fractional-N RF PLL
Based on 10-Bit Delta Sigma Modulator
Frequency Resolution Down to 20 kHz
n
Supports Various Reference Frequencies
12.6/14.4/25.2/26.0 MHz
n
Fast Lock Time: 300 μs
n
Low Current Consumption
n
2.5 V to 3.3 V operation
n
Digital Filtered Lock Detect Output
n
Hardware and Software Power Down Control
Applications
n
Japan PDC systems at 800 MHz frequency band.
n
Japan PDC systems at 1500 MHz frequency band.
Functional Block Diagram
20068807
FastLock
is a trademark of National Semiconductor Corporation.
TRI-STATE
is a registered trademark of National Semiconductor Corporation.
PLLatinum
is a trademark of National Semiconductor Corporation.
April 2004
L
2004 National Semiconductor Corporation
DS200688
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LMX2531LQ1500E | High Performance Frequency Synthesizer System with Integrated VCO |
| LMX2531LQ1742 | Evaluation Board Operating Instructions |
| LMX2531LQ1742FPEB | Evaluation Board Operating Instructions |
| LMX3305SLBX | Triple Phase Locked Loop for RF Personal Communications |
| LMX3305 | Triple Phase Locked Loop for RF Personal Communications |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2522 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum Frequency Synthesizer System with Integrated VCOs |
| LMX25221635EVAL | 制造商:OC White Company 功能描述:Evaluation Board For LMX2522 PLLatinum Frequency Synthesizer System |
| LMX25221635EVAL/NOPB | 功能描述:EVALUATION BOARD FOR LMX2522XXXX RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
| LMX2522LQ1635 | 功能描述:鎖相環(huán) - PLL 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 |
| LMX2522LQ1635/NOPB | 功能描述:鎖相環(huán) - PLL 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 |
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