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LMX2531LQ1226E

更新时间： 2024-01-03 09:58:41
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LMX2531 High Performance Frequency Synthesizer System with Integrated VCO

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LMX2531LQ1226E 数据手册

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LMX2531  
www.ti.com  
SNAS252R –OCTOBER 2005–REVISED FEBRUARY 2013  
LMX2531 High Performance Frequency Synthesizer System with Integrated VCO  
Check for Samples: LMX2531  
1
FEATURES  
DESCRIPTION  
2
•
Multiple Frequency Options Available  
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.  
–
–
See Selection Guide Table  
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  
When combined 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.  
–
–
Partially Integrated, Adjustable Loop Filter  
Very Low Phase Noise and Spurs  
•
•
VCO Features  
–
–
Integrated Tank Inductor  
Low Phase Noise  
Other Features  
Device programming is facilitated using a three-wire  
MICROWIRE Interface that can operate down to 1.8  
volts.  
–
–
–
–
2.8 V to 3.2 V Operation  
Low Power-Down Current  
1.8 V MICROWIRE Support  
Package: 36 WQFN  
Supply voltage range is 2.8 to 3.2 Volts. The  
LMX2531 is available in a 36 pin 6x6x0.8 mm WQFN  
Package.  
TARGET APPLICATIONS  
Table 1. Selection Guide  
•
3G Cellular Base Stations (WCDMA, TD-  
SCDMA,CDMA2000)  
Part  
Low Band  
High Band  
LMX2531LQ1146E  
LMX2531LQ1226E  
LMX2531LQ1312E  
LMX2531LQ1415E  
LMX2531LQ1500E  
LMX2531LQ1515E  
LMX2531LQ1570E  
LMX2531LQ1650E  
LMX2531LQ1700E  
LMX2531LQ1742  
LMX2531LQ1778E  
LMX2531LQ1910E  
LMX2531LQ2080E  
LMX2531LQ2265E  
LMX2531LQ2570E  
LMX2531LQ2820E  
LMX2531LQ3010E  
553 - 592 MHz  
592 - 634 MHz  
634 - 680 MHz  
680 - 735 MHz  
749.5 - 755 MHz  
725 - 790 MHz  
765 - 818 MHz  
795 - 850 MHz  
831 - 885 MHz  
880 - 933 MHz  
863 - 920 MHz  
917 - 1014 MHz  
952 - 1137 MHz  
1089 - 1200 MHz  
1168 - 1395 MHz  
1355 - 1462 MHz  
1455 - 1566 MHz  
1106 - 1184 MHz  
1184 - 1268 MHz  
1268 - 1360 MHz  
1360 - 1470 MHz  
1499 - 1510 MHz  
1450 - 1580 MHz  
1530 - 1636 MHz  
1590 - 1700 MHz  
1662 - 1770 MHz  
1760 - 1866 MHz  
1726 - 1840 MHz  
1834 - 2028 MHz  
1904 - 2274 MHz  
2178 - 2400 MHz  
2336 - 2790 MHz  
2710 - 2925 MHz  
2910 - 3132 MHz  
•
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  
Data Converter Clocking  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2005–2013, Texas Instruments Incorporated  
1234567...41

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与LMX2531LQ1226E相关器件

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LMX2531LQ1226E/NOPB TI

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 		具有集成 VCO 的高性能频率合成器系统 | NJH | 36 | -40 to 85
LMX2531LQ1312E TI

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 		LMX2531 High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1312E NSC

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 		High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1312E/NOPB TI

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 		具有集成 VCO 的高性能频率合成器系统 | NJH | 36 | -40 to 85
LMX2531LQ1415E TI

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 		LMX2531 High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1415E NSC

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 		High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1415E/NOPB TI

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 		具有集成 VCO 的高性能频率合成器系统 | NJH | 36 | -40 to 85
LMX2531LQ1500E NSC

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 		High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1500E TI

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 		LMX2531 High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1500E ROCHESTER

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 		PLL FREQUENCY SYNTHESIZER, 80MHz, QCC36, 6 X 6 MM, 0.80 MM HEIGHT, LEAD FREE, LLP-36

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