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參數(shù)資料

型號(hào)：	LMX2354SLB
廠商：	NATIONAL SEMICONDUCTOR CORP
元件分類：	XO, clock
英文描述：	PLLatinum Fractional N RF/ Integer N IF Dual Low Power Frequency Synthesizer
中文描述：	PLL FREQUENCY SYNTHESIZER, 2500 MHz, QCC24
封裝：	PLASTIC, CSP-24
文件頁(yè)數(shù)：	20/23頁(yè)
文件大小：	403K
代理商：	LMX2354SLB

Programming Description

(Continued)

5.5 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

5 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 power down mode,

Lock is forced LOW. A flow chart of the digital filter is shown at right.

20004804

www.national.com

相關(guān)PDF資料	PDF描述
LMX2355SLB	PLLatinum Fractional N RF/ Integer N IF Dual Low Power Frequency Synthesizer
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LMX2433TM	PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2433TMX	PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2434	PLLatinum Dual High Frequency Synthesizer for RF Personal Communications

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
LMX2354SLBX	制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
LMX2354SLBX/NOPB	功能描述:IC FREQ SYNTH DUAL 24-LAMCSP 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/無電源電壓: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:*
LMX2354SLDX	制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
LMX2354SLEX	制造商:Texas Instruments 功能描述:
LMX2354TM	制造商:Texas Instruments 功能描述:PLL Frequency Synthesizer Dual 10MHz to 2500MHz 24-Pin TSSOP Rail 制造商:Texas Instruments 功能描述:2.5GHZ/550MHZ PLL 2354 TSSOP24 制造商:Texas Instruments 功能描述:IC, DUAL FREQ SYNTHESIZER 2.5GHZ 24-TSSOP, PLL Type:Frequency Synthesis, Frequen

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