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参数资料
| 型号： | LMX1600TM/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO16 |
| 封装： | PLASTIC, TSSOP-16 |
| 文件页数： | 7/17页 |
| 文件大小： | 631K |
| 代理商： | LMX1600TM/NOPB |
2.0 Programming Description (Continued)
2.7
TYPICAL APPLICATION EXAMPLE
10012920
OPERATIONAL NOTES:
*
VCO is assumed AC coupled.
**
R
IN increases impedance so that VCO output power is provided to the load rather than the PLL. Typical values are 10
to
200
depending on the VCO power level. The fin RF impedance ranges from 40 to 100. The fin IF impedances are higher.
*** 50
termination is often used on test boards to allow use of external reference oscillator. For most typical products, a CMOS
clock is used and no terminating resistor is required. OSC
IN may be AC or DC coupled. AC coupling is recommended because
the input circuit provides its own bias. (See Figure below)
10012921
**** Adding RC filter to the V
CC line is recommended to reduce loop-to-loop noise coupling.
— Proper use of grounds and bypass capacitors is essential to achieve a high level of performance. Crosstalk between pins can
be reduced by careful board layout.
— This is a static sensitive device. It should be handled only at static free work stations.
LMX1600/LMX1601/LMX1602
www.national.com
15
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| LMX1600TMX | 功能描述:IC FREQ SYNTHESZR 2.0GHZ 16TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:PLLatinum™ 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
| LMX1600TMX/NOPB | 制造商:Texas Instruments 功能描述:PLL Frequency Synthesizer Dual 16-Pin TSSOP T/R |
| LMX1601 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:PLLatinum⑩ Low Cost Dual Frequency Synthesizer |
| LMX1601SLB | 制造商:NSC 制造商全称:National Semiconductor 功能描述:PLLatinum⑩ Low Cost Dual Frequency Synthesizer |
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