參數(shù)資料
型號(hào): LMX1601TM/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 1100 MHz, PDSO16
封裝: LEAD FREE, PLASTIC, TSSOP-16
文件頁(yè)數(shù): 5/17頁(yè)
文件大?。?/td> 631K
代理商: LMX1601TM/NOPB
2.0 Programming Description (Continued)
2.5.2
Typical Lock Detect Timing (AUX_PD_POL/MAIN_PD_POL = 1)
10012917
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
reduced 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
3
210
AUX_R[17]
AUX_R[16]
AUX_R[15]
AUX_R[14]
0
Crystal Mode
0
1
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.
10012918
LMX1600/LMX1601/LMX1602
www.national.com
13
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX1601TMX 制造商:TI 制造商全稱:Texas Instruments 功能描述:LMX1600 2.0 GHz/500 MHz, LMX1601 1.1 GHz/500 MHz, LMX1602 1.1 GHz/1.1 GHz PLLatinuma?¢ Low Cost Dual Frequency Synthesizer
LMX1601TMX/NOPB 功能描述:IC FREQ SYNTHESIZER DUAL 16TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器,PLL,頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無(wú)/無(wú) 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LMX1602 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ Low Cost Dual Frequency Synthesizer
LMX1602SLB 制造商:NSC 制造商全稱: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 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器,PLL,頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無(wú)/無(wú) 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*