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LMX2331USLB PDF预览

LMX2331USLB

更新时间： 2024-01-12 03:36:34
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER /
页数 文件大小 规格书
18页 285K
描述
PLL Frequency Synthesizer, PQCC24, PLASTIC, CSP-24

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LMX2331USLB 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：QCCN, LCC24,.17X.14,20Reach Compliance Code：unknown
HTS代码：8542.39.00.01风险等级：5.85
其他特性：DUAL MODULUS PRESCALER (RF): 64/65 OR 128/129 AND DUAL MODULUS PRESCALER (IF): 8/9 OR 16/17模拟集成电路 - 其他类型：PLL FREQUENCY SYNTHESIZER
JESD-30 代码：R-PQCC-N24JESD-609代码：e0
长度：4.5 mm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：QCCN封装等效代码：LCC24,.17X.14,20
封装形状：RECTANGULAR封装形式：CHIP CARRIER
峰值回流温度（摄氏度）：NOT SPECIFIED电源：3 V
认证状态：Not Qualified座面最大高度：1.1 mm
子类别：PLL or Frequency Synthesis Circuits最大供电电流 (Isup)：3.8 mA
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：Tin/Lead (Sn/Pb)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.5 mm

LMX2331USLB 数据手册

 浏览型号LMX2331USLB的Datasheet PDF文件第2页浏览型号LMX2331USLB的Datasheet PDF文件第3页浏览型号LMX2331USLB的Datasheet PDF文件第4页浏览型号LMX2331USLB的Datasheet PDF文件第5页浏览型号LMX2331USLB的Datasheet PDF文件第6页浏览型号LMX2331USLB的Datasheet PDF文件第7页 
PRELIMINARY  
May 2001  
LMX2330U/LMX2331U/LMX2332U  
™
PLLatinum Ultra Low Power Dual Frequency  
Synthesizer for RF Personal Communications  
LMX2330U 2.5 GHz/600 MHz  
Features  
n Ultra low current consumption  
LMX2331U 2.0 GHz/600 MHz  
LMX2332U 1.2 GHz/600 MHz  
n 2.7V to 5.5V operation  
n Selectable synchronous or asynchronous powerdown  
mode:  
ICC = 1 µA typical at 3V  
General Description  
The LMX233xU family of monolithic, integrated dual fre-  
quency synthesizers, including prescalers, is to be used as a  
local oscillator for RF and first IF of a dual conversion  
transceiver.  
n Dual modulus prescaler:  
LMX2330U  
(RF) 32/33 or 64/65  
LMX2331U/32U  
(RF) 64/65 or 128/129  
LMX2330U/31U/32U (IF) 8/9 or 16/17  
n Selectable charge pump TRI-STATE® mode  
n Selectable charge pump current levels  
The LMX233xU contains dual modulus prescalers. A 64/65  
or a 128/129 prescaler (32/33 or 64/65 in the 2.5 GHz  
LMX2330U) can be selected for the RF synthesizer and a  
8/9 or a 16/17 prescaler can be selected for the IF synthe-  
sizer. LMX233xU, which employs a digital phase locked loop  
technique, combined with a high quality reference oscillator,  
provides the tuning voltages for voltage controlled oscillators  
to generate very stable, low noise signals for RF and IF local  
oscillators. Serial data is transferred into the LMX233xU via  
a three wire interface (Data, Enable, Clock). Supply voltage  
can range from 2.7V to 5.5V. The LMX233xU family features  
very low current consumption;  
™
n Selectable Fastlock mode  
n Upgrade and compatible to LMX233xL family  
n Available in 20 - Lead TSSOP and 24 - Pin CSP  
Applications  
n Portable Wireless Communications  
(PCS/PCN, cordless)  
n Cordless and cellular telephone systems  
n Wireless Local Area Networks (WLANs)  
n Cable TV tuners (CATV)  
LMX2330U—3.3 mA at 3V, LMX2331U—2.9 mA at 3V,  
LMX2332U—2.5 mA at 3V.  
n Other wireless communication systems  
The LMX233xU are available in TSSOP 20-pin and CSP  
24-pin surface mount plastic packages.  
Functional Block Diagram  
DS101366-1  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
™
™
™
Fastlock , MICROWIRE and PLLatinum are trademarks of National Semiconductor Corporation.  
© 2001 National Semiconductor Corporation  
DS101366  
www.national.com  
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LMX2331USLBX NSC

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 		PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2331USLBX TI

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 		PLL FREQUENCY SYNTHESIZER, 2000MHz, PQCC24, PLASTIC, CSP-24
LMX2331USLBX ROCHESTER

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 		PLL Frequency Synthesizer, PQCC24, PLASTIC, CSP-24
LMX2331USLEX ROCHESTER

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 		PLL Frequency Synthesizer, PQCC24, PLASTIC, UTCSP-24
LMX2331UTM NSC

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 		PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2331UTM ROCHESTER

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 		PLL Frequency Synthesizer, PDSO20, 0.173 INCH, PLASTIC, TSSOP-20
LMX2331UTM/NOPB TI

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 		PLL FREQUENCY SYNTHESIZER, 2000MHz, PDSO20, 0.173 INCH, PLASTIC, TSSOP-20
LMX2331UTMX NSC

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 		PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2331UTMX/NOPB TI

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 		PLL FREQUENCY SYNTHESIZER, 2000MHz, PDSO20, 0.173 INCH, PLASTIC, TSSOP-20
LMX2332A NSC

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 		PLLatinum⑩ Dual Frequency Synthesizer for RF

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