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參數資料
| 型號： | LMX2531LQ2265EJ7002041 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 80 MHz, QCC36 |
| 封裝： | 6 X 6 MM, 0.80 MM HEIGHT, GREEN, LLP-36 |
| 文件頁數： | 1/36頁 |
| 文件大小： | 731K |
| 代理商： | LMX2531LQ2265EJ7002041 |
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LMX2531
June 23, 2009
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 adjustable. 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 performance. When com-
bined with a high quality reference oscillator, the LMX2531
generates very stable, low noise local oscillator signals for up
and down conversion in wireless communication devices.
The LMX2531 is a monolithic integrated circuit, fabricated in
an advanced BiCMOS process. There are several different
versions of this product in order to accommodate different
frequency bands.
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
■ 3G Cellular Base Stations (WCDMA, TD-
SCDMA,CDMA2000)
■ 2G Cellular Base Stations (GSM/GPRS, EDGE,
CDMA1xRTT)
■ Wireless LAN
■ Broadband Wireless Access
■ Satellite Communications
■ Wireless Radio
■ Automotive
■ CATV Equipment
■ Instrumentation and Test Equipment
■ RFID Readers
Features
■ Multiple Frequency Options Available
— See Selection Guide Below
— Frequencies from: 553 MHz - 3132 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
— 1.8 V MICROWIRE Support
— Package: 36 Lead LLP
Part
Low Band
High Band
LMX2531LQ1146E
553 - 592 MHz
1106 - 1184 MHz
LMX2531LQ1226E
592 - 634 MHz
1184 - 1268 MHz
LMX2531LQ1312E
634 - 680 MHz
1268 - 1360 MHz
LMX2531LQ1415E
680 - 735 MHz
1360 - 1470 MHz
LMX2531LQ1515E
725 - 790 MHz
1450 - 1580 MHz
LMX2531LQ1570E
765 - 818 MHz
1530 - 1636 MHz
LMX2531LQ1650E
795 - 850 MHz
1590 - 1700 MHz
LMX2531LQ1700E
831 - 885 MHz
1662 - 1770 MHz
LMX2531LQ1742
880 - 933 MHz
1760 - 1866 MHz
LMX2531LQ1778E
863 - 920 MHz
1726 - 1840 MHz
LMX2531LQ1910E
917 - 1014 MHz
1834 - 2028 MHz
LMX2531LQ2080E
952 - 1137 MHz
1904 - 2274 MHz
LMX2531LQ2265E 1089 - 1200 MHz 2178 - 2400 MHz
LMX2531LQ2570E 1168 - 1395 MHz 2336 - 2790 MHz
LMX2531LQ2820E 1355 - 1462 MHz 2710 - 2925 MHz
LMX2531LQ3010E 1455 - 1566 MHz 2910 - 3132 MHz
2009 National Semiconductor Corporation
201011
www.national.com
LMX2531
High
Performance
Frequency
Synthesizer
System
with
Integrated
VCO
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LMX2531LQ2294/NOPB | 功能描述:IC PLL FREQ SYNTH W/VCO 36-LLP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發生器，PLL，頻率合成器 系列:PowerWise® 標準包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 電路數: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:* |
| LMX2531LQ2570E | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Performance Frequency Synthesizer System with Integrated VCO |
| LMX2531LQ2570E/NOPB | 功能描述:鎖相環 - PLL RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數量: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 |
| LMX2531LQ2820E | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Performance Frequency Synthesizer System with Integrated VCO |
| LMX2531LQ2820E/NOPB | 功能描述:鎖相環 - PLL High Perf Freq Synth System RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數量: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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