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LMX2354TM/NOPB PDF预览

LMX2354TM/NOPB

更新时间： 2024-09-21 18:42:55
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理光电二极管
页数 文件大小 规格书
23页 719K
描述
PLL FREQUENCY SYNTHESIZER, 2500MHz, PDSO24, TSSOP-24

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中文翻译

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LMX2354TM/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：TSSOP
包装说明：TSSOP,针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.64
其他特性：SELECTABLE PRESCALER OF 16/17 OR 20/21 AND 8/9 OR 12/13模拟集成电路 - 其他类型：PLL FREQUENCY SYNTHESIZER
JESD-30 代码：R-PDSO-G24JESD-609代码：e3
长度：7.8 mm湿度敏感等级：1
功能数量：1端子数量：24
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.2 mm最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：2.7 V标称供电电压 (Vsup)：3 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：4.4 mmBase Number Matches：1

LMX2354TM/NOPB 数据手册

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OBSOLETE  
LMX2354  
www.ti.com  
SNAS118C –AUGUST 2000–REVISED MARCH 2013  
PLLatinum™ Fractional N RF/ Integer N IF Dual Low Power Frequency Synthesizer  
LMX2354 2.5 GHz/550 MHz  
Check for Samples: LMX2354  
1
FEATURES  
DESCRIPTION  
The LMX2354 is part of a family of monolithic  
23  
•
Pin Compatible/Functional Equivalent to the  
LMX2350  
integrated  
fractional  
N/Integer  
N
frequency  
synthesizers designed to be used in a local oscillator  
subsystem for a radio transceiver. It is fabricated  
using TI's 0.5 µ ABiC V silicon BiCMOS process. The  
LMX2354 contains quadruple modulus prescalers  
along with modulo 15 or 16 fractional compensation  
circuitry in the RF divider. The LMX2354 provides a  
continuous divide ratio of 80 to 32767 in 16/17/20/21  
(1.2 GHz–2.5 GHz) fractional mode and 40 to 16383  
in 8/9/12/13 (550 MHz–1.2 GHz) fractional mode. The  
IF circuitry for the LMX2354 contains an 8/9  
•
•
•
Enhanced Low Noise Fractional Engine  
2.7V to 5.5V Operation  
Low Current Consumption  
–
LMX2354: ICC = 7 mA Typical at 3V  
Programmable or Logical Power Down Mode:  
ICC = 5 µA Typical at 3V  
•
–
•
•
Modulo 15 or 16 Fractional RF N Divider  
Supports Ratios of 1, 2, 3, 4, 5, 8, 15, or 16  
prescaler, and is fully programmable. Using  
a
Programmable Charge Pump Current Levels  
fractional phase locked loop technique, the  
N
LMX2354 can generate very stable low noise control  
signals for UHF and VHF voltage controlled  
oscillators (VCOs).  
–
–
RF 100 µA to 1.6 mA in 100 µA Steps  
IF 100 µA or 800 µA  
•
•
Digital Filtered Lock Detect  
For the RF PLL,  
a
highly flexible 16 level  
Available in 24-Pin TSSOP and 24-Pin LGA  
programmable charge pump supplies output current  
magnitudes from 100 µA to 1.6 mA. Two  
uncommitted CMOS outputs can be used to provide  
external control signals, or configured to FastLock  
mode. Serial data is transferred into the LMX2354 via  
a three wire interface (Data, LE, Clock). Supply  
voltage can range from 2.7V to 5.5V. The LMX2354  
family features very low current consumption;  
APPLICATIONS  
•
Portable Wireless Communications (PCS/PCN,  
Cordless)  
•
•
•
Dual Mode Cellular Telephone Systems  
Zero Blind Slot TDMA Systems  
typically LMX2354 (2.5 GHz)  
— 7.0 mA. The  
Spread Spectrum Communication Systems  
(CDMA)  
LMX2354 are available in a 24-pin TSSOP surface  
mount plastic package and 24-pin LGA.  
•
Cable TV Tuners (CATV)  
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
3
PLLatinum is a trademark of Texas Instruments.  
All other 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 © 2000–2013, Texas Instruments Incorporated  
1234567...23

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LMX2354TM/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LMX2354TMX/NOPB TI

完全替代

 PLL FREQUENCY SYNTHESIZER, 2500MHz, PDSO24, TSSOP-24

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 		PLL FREQUENCY SYNTHESIZER, 2500MHz, PDSO24, PLASTIC, TSSOP-24
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 		PLL Frequency Synthesizer, BICMOS, PDSO24, PLASTIC, TSSOP-24
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LMX2362TM TI

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