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參數(shù)資料
| 型號(hào)： | LMX2531LQ1700E |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | PLLatinum High Performance Frequency Synthesizer System with Integrated VCO |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 80 MHz, QCC36 |
| 封裝： | 6 X 6 MM, 0.80 MM HEIGHT, LEAD FREE, LLP-36 |
| 文件頁(yè)數(shù)： | 1/25頁(yè) |
| 文件大?。?/td> | 589K |
| 代理商： | LMX2531LQ1700E |
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LMX2531
PLLatinum
High Performance Frequency Synthesizer
System with Integrated VCO
General Description
The LMX2531 is a low power, high performance frequency
synthesizer system which includes a fully integrated delta-
sigma PLL and VCO with fully integrated tank circuit. The
third and fourth poles are also integrated and also adjust-
able. Also included are integrated ultra-low noise and high
precision LDOs for the PLL and VCO which give higher
supply noise immunity and also more consistent perfor-
mance. When combined with a high quality reference oscil-
lator, the LMX2531 generates very stable, low noise local
oscillator signals for up and down conversion in wireless
communication devices. The LMX2531 is a monolithic inte-
grated circuit, fabricated in an advanced BiCMOS process.
There are actually several different versions of this product,
for which the primary difference is frequency range.
Device programming is facilitated using a three-wire
MICROWIRE Interface that can operate down to 1.8 volts.
Supply voltage range is 2.8 to 3.2 Volts. The LMX2531 is
available in a 36 pin 6x6x0.8 mm Lead-Free Leadless Lead-
frame Package (LLP).
Target Applications
n
3G Cellular Base Stations (WCDMA,
TD-SCDMA,CDMA2000)
n
2G Cellular Base Stations (GSM/GPRS, EDGE,
CDMA1xRTT)
n
Wireless LAN
n
Broadband Wireless Access
n
Satellite Communications
n
Wireless Radio
n
Automotive
n
CATV Equipment
n
Instrumentation and Test Equipment
n
RFID Readers
Features
Multiple Frequency Options Available
— See Selection Guide Below
— Frequencies from: 765 MHz - 2790 MHz
PLL Features
— Fractional-N Delta Sigma Modulator Order
programmable up to 4th order
— FastLock/Cycle Slip Reduction with Timeout Counter
— Partially integrated, adjustable Loop Filter
— Very low phase noise and spurs
VCO Features
— Integrated tank inductor
— Low phase noise
Other Features
— 2.8 V to 3.2 V Operation
— Low Power-Down Current
— 1.8V MICROWIRE Support
— Package: 36 Lead LLP
Part
Low Band
765 - 818 MHz
795 - 850 MHz
831 - 885 MHz
863 - 920 MHz
917 - 1014 MHz
952 - 1137 MHz
High Band
1530 - 1636 MHz
1590 - 1700 MHz
1662 - 1770 MHz
1726 - 1840 MHz
1834 - 2028 MHz
1904 - 2274 MHz
LMX2531LQ1570E
LMX2531LQ1650E
LMX2531LQ1700E
LMX2531LQ1778E
LMX2531LQ1910E
LMX2531LQ2080E
LMX2531LQ2265E 1089 - 1200 MHz 2178 - 2400 MHz
LMX2531LQ2570E 1168 - 1395 MHz 2336 - 2790 MHz
PLLatinum
is a trademark of National Semiconductor Corporation.
October 2005
L
2005 National Semiconductor Corporation
DS201011
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2531LQ1700E/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 |
| LMX2531LQ1742 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:SYNTHESIZER SYSTEM POWERWISE SMD |
| LMX2531LQ1742/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 |
| LMX2531LQ1742FPEB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Evaluation Board Operating Instructions |
| LMX2531LQ1778E | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum High Performance Frequency Synthesizer System with Integrated VCO |
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