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LMX2502LQ1635/NOPB PDF预览

LMX2502LQ1635/NOPB

更新时间： 2023-09-03 20:33:54
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23页 424K
描述
具有集成 VCO 的频率合成器系统 | NJB | 28 | -30 to 85

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LMX2502LQ1635/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：HVQCCN, LCC28,.2SQ,20针数：28
Reach Compliance Code：compliantECCN代码：5A991.G
HTS代码：8542.39.00.01风险等级：1.25
模拟集成电路 - 其他类型：PLL FREQUENCY SYNTHESIZERJESD-30 代码：S-PQCC-N28
JESD-609代码：e3长度：5 mm
湿度敏感等级：3功能数量：1
端子数量：28最高工作温度：85 °C
最低工作温度：-30 °C最大输出频率：1649.62 GHz
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC28,.2SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：2.8 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：PLL or Frequency Synthesis Circuits
最大供电电流 (Isup)：21 mA最大供电电压 (Vsup)：3.3 V
最小供电电压 (Vsup)：2.7 V标称供电电压 (Vsup)：2.8 V
表面贴装：YES温度等级：OTHER
端子面层：Matte Tin (Sn)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：5 mm
Base Number Matches：1

LMX2502LQ1635/NOPB 数据手册

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LMX2502, LMX2512  
www.ti.com  
SNWS010C –MARCH 2003–REVISED APRIL 2013  
LMX2502/LMX2512 PLLatinum™ Frequency Synthesizer System with Integrated VCO  
Check for Samples: LMX2502, LMX2512  
1
FEATURES  
DESCRIPTION  
LMX2502 and LMX2512 are highly integrated, high  
performance, low power frequency synthesizer  
systems optimized for Korean PCS and Korean  
Cellular CDMA (1xRTT, IS-95) mobile handsets.  
2
•
Small Size  
5.0 mm X 5.0 mm X 0.75 mm 28-Pin WQFN  
Package  
RF Synthesizer System  
–
•
Using  
a proprietary digital phase locked loop  
technique, LMX2502 and LMX2512 generate very  
stable, low noise local oscillator signals for up and  
down conversion in wireless communications  
devices.  
–
–
–
Integrated RF VCO  
Integrated Loop Filter  
Low Spurious, Low Phase Noise Fractional-  
N RF PLL Based on 11-Bit Delta Sigma  
Modulator  
LMX2502 and LMX2512 include a voltage controlled  
oscillator (VCO), a loop filter, and a fractional-N RF  
PLL based on a delta sigma modulator. In concert  
these blocks form a closed loop RF synthesizer  
system. LMX2502 supports the Korean PCS band  
and LMX2512 supports the Korean Cellular band.  
–
10 kHz Frequency Resolution  
•
•
IF Synthesizer System  
–
–
Integer-N IF PLL  
Programmable Charge Pump Current  
Levels  
LMX2502 and LMX2512 include an Integer-N IF PLL  
also. For more flexible loop filter designs, the IF PLL  
–
Programmable Frequency  
includes  
a 4-level programmable charge pump.  
Supports Various Reference Frequencies  
19.20/19.68 MHz  
Together with an external VCO and loop filter,  
LMX2502 and LMX2512 make a complete closed  
loop IF synthesizer system.  
–
•
•
Fast Lock Time: 500 µs  
Serial data is transferred to the device via a three-  
wire MICROWIRE interface (DATA, LE, CLK).  
Low Current Consumption  
–
17 mA at 2.8 V  
Operating supply voltage ranges from 2.7 V to 3.3 V.  
LMX2502 and LMX2512 feature low current  
consumption: 17 mA at 2.8 V.  
•
•
•
2.7 V to 3.3 V Operation  
Digital Filtered Lock Detect Output  
Hardware and Software Power Down Control  
LMX2502 and LMX2512 are available in a 28-pin  
WQFN package.  
APPLICATIONS  
•
•
Korean PCS CDMA Systems  
Korean Cellular CDMA Systems  
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 © 2003–2013, Texas Instruments Incorporated  
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LMX2502LQ1635/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LMX2502LQX1635 TI

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