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LMX2330A PDF预览

LMX2330A

更新时间: 2024-01-28 00:26:07
品牌 Logo 应用领域
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页数 文件大小 规格书
17页 395K
描述
PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications

LMX2330A 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:TSSOP,Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.84
其他特性:DUAL MODULUS PRESCALER (RF): 32/33 OR 64/65 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-PDSO-G20JESD-609代码:e3
长度:6.5 mm湿度敏感等级:1
功能数量:1端子数量:20
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:1.1 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温度等级:INDUSTRIAL
端子面层:TIN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:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

LMX2330A 数据手册

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May 1999  
LMX2330A/LMX2331A/LMX2332A  
PLLatinum Dual Frequency Synthesizer for RF  
Personal Communications  
The LMX233xA are available in a TSSOP 20-pin surface  
mount plastic package.  
LMX2330A 2.5 GHz/510 MHz  
LMX2331A 2.0 GHz/510 MHz  
LMX2332A 1.2 GHz/510 MHz  
Features  
n 2.7V to 5.5V operation  
n Low current consumption  
General Description  
=
n Selectable powerdown mode: ICC 1 µA typical at 3V  
The LMX233xA 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 trans-  
ceiver. It is fabricated using National’s ABiC IV silicon  
BiCMOS process.  
n Dual modulus prescaler:  
LMX2330A (RF) 32/33 or 64/65  
LMX2331A/32A (RF) 64/65 or 128/129  
LMX2330A/31A/32A (IF) 8/9 or 16/17  
n Selectable charge pump TRI-STATE® mode  
The LMX233xA contains dual modulus prescalers. A 64/65  
or a 128/129 prescaler (32/33 or 64/65 in the 2.5 GHz  
LMX2330A) can be selected for the RF synthesizer and a  
8/9 or a 16/17 prescaler can be selected for the IF synthe-  
sizer. LMX233XA, which employs a digital phase locked loop  
technique, combined with a high quality reference oscillator  
and loop filters, provides the tuning voltages for voltage con-  
trolled oscillators to generate very stable low noise RF and  
IF local oscillator signals. Serial data is transferred into the  
LMX233xA via a three wire interface (Data, Enable, Clock).  
Supply voltage can range from 2.7V to 5.5V. The LMX233xA  
n Selectable FastLock mode  
n Small outline, plastic, surface mount TSSOP 0.173"  
wide package  
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)  
n Other wireless communication systems  
family  
features  
very  
low  
current  
consumption;  
LMX2330A — 13 mA at 3V, LMX2331A — 12 mA at 3V,  
LMX2332A — 8 mA at 3V.  
Functional Block Diagram  
DS012331-1  
TRI-STATE® is a registered trademark of National Semiconductor Corporation.  
Fastlock , MICROWIRE and PLLatinum are trademarks of National Semiconductor Corporation.  
© 1999 National Semiconductor Corporation  
DS012331  
www.national.com  

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