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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： | 4/17页 |
| 文件大小： | 631K |
| 代理商： | LMX1600TM/NOPB |
2.0 Programming Description (Continued)
FoLD
Fo/LD OUTPUT STATE
0
1
0
x
Aux Lock Detect
0
1
X
Main “and” Aux Lock Detect
1
0
X
Main Reference Counter Output
1
0
1
X
Aux Reference Counter Output
1
0
X
Main Programmable Counter Output
1
X
Aux Programmable Counter Output
Note 16: See section 2.5.3 for AUX_R[14] description.
2.5.1
Lock Detect Digital Filter
The Lock Detect Digital Filter compares the difference between the phase of the inputs of the phase detector to a RC generated
delay of approximately 15 ns. To enter the locked state (Lock = HIGH) the phase error must be less than the 15 ns RC delay for
4 consecutive reference cycles. Once in lock (Lock = HIGH), the RC delay is changed to approximately 30 ns. To exit the locked
state (Lock = LOW), the phase error must become greater than the 30 ns RC delay. When the PLL is in the powerdown mode,
Lock is forced LOW. A flow chart of the digital filter is shown below.
10012916
LMX1600/LMX1601/LMX1602
www.national.com
12
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相关代理商/技术参数 |
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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 |
| LMX1601SLBX/NOPB | 功能描述:IC PLLANTINUM SYNTHESZR LAM CSP 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:* |
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