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参数资料
| 型号： | LMX1602MDA |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 1100 MHz, UUC |
| 封装： | DIE |
| 文件页数： | 5/19页 |
| 文件大小： | 238K |
| 代理商： | LMX1602MDA |
2.0
Programming Description (Continued)
2.5.3
OSC Mode Programming
The OSC
out pin can be optimized for operating with an external crystal resonator or an external reference frequency source (i.e.
TCXO). If the application uses an external reference frequency source, the current dissipation of the LMX1600/01/02 can be re-
duced with the Logic Mode (0.5 mA typ.). Crystal Mode should be used when an external crystal resonator is used. Logic Mode
is used when an external reference frequency source is used. In Logic Mode, OSC
OUT should be connected to a 30 pF capacitor
to ground for optimum performance.
When the FoLD output state is selected to CMOS high/low levels, the OSC Mode is forced to Crystal Mode.
FoLD
OSC
OUT
3210
AUX_R[17]
AUX_R[16]
AUX_R[15]
AUX_R[14]
0000
Crystal Mode
0001
Crystal Mode
All Other States
0
Logic Mode
1
Crystal Mode
2.5.4
Typical Crystal Oscillator Circuit
A typical implementation of a 10 MHz crystal oscillator with the OSC
OUT pin in Crystal Mode is shown below.
2.6
SERIAL DATA INPUT TIMING
Note 17: Data shifted into register on clock rising edge.
Data is shifted in MSB first.
TEST CONDITIONS: The Serial Data Input Timing is tested using a symmetrical waveform around V
CC/2. The test waveform has
an edge rate of 0.6 V/ns with amplitudes of 2.2V @ V
CC = 2.7V.
DS100129-18
DS100129-19
LMX1600/LMX1601/LMX1602
www.national.com
13
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相关代理商/技术参数 |
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| LMX1602SLB | 制造商:NSC 制造商全称:National Semiconductor 功能描述:PLLatinum⑩ Low Cost Dual Frequency Synthesizer |
| LMX1602SLBX | 功能描述:IC FREQ SYNTH DL 1.1GHZ 16-LAMIN 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:* |
| LMX1602TM | 制造商:NSC 制造商全称:National Semiconductor 功能描述:PLLatinum⑩ Low Cost Dual Frequency Synthesizer |
| LMX1602TM/NOPB | 功能描述:IC PLL DUAL 1.1GHZ 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:* |
| LMX1602TMX/NOPB | 功能描述:IC FREQ SYNTH DL 1.1GHZ 16-TSSOP 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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