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參數(shù)資料
| 型號： | LMX2331UTM/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO20 |
| 封裝： | 0.173 INCH, PLASTIC, TSSOP-20 |
| 文件頁數(shù)： | 3/49頁 |
| 文件大?。?/td> | 4568K |
| 代理商： | LMX2331UTM/NOPB |
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Electrical Characteristics (Continued)
V
CC =VP RF=VP IF = 3.0V, 40C
≤ T
A
≤ +85C, unless otherwise specified
Symbol
Parameter
Conditions
Value
Units
Min
Typ
Max
PHASE NOISE CHARACTERISTICS
L
N(f) IF
IF Synthesizer Normalized Phase
Noise Contribution
TCXO Reference Source
ID
o IF Bit = 1
-212.0
dBc/
Hz
L(f) IF
IF Synthesizer Single
Side Band Phase
Noise Measured
LMX233xU
f
IN IF = 200 MHz
f = 1 kHz Offset
FφIF = 200 kHz
Loop Bandwidth = 18 kHz
N = 1000
F
OSC =10MHz
V
OSC = 0.632 VPP
ID
o IF Bit = 1
PWDN RF Bit = 1
T
A = +25C
-99.00
dBc/
Hz
Note 4: Some of the values in this range are illegal divide ratios (B < A). To obtain continuous legal division, the Minimum Divide Ratio must be calculated. Use N
≥ P * (P1), where P is the value of the prescaler selected.
Note 5: Refer to the LMX233xU fIN Sensitivity Test Setup section
Note 6: Refer to the LMX233xU Charge Pump Test Setup section
Note 7: Refer to the Charge Pump Current Specification Definitions for details on how these measurements are made.
Note 8: Refer to the LMX233xU OSCin Sensitivity Test Setup section
Note 9: Refer to the LMX233xU Serial Data Input Timing section
Note 10: Normalized Phase Noise Contribution is defined as : LN(f) = L(f) 20 log (N) 10 log (Fφ), where L(f) is defined as the single side band phase noise
measured at an offset frequency, f, ina1Hz bandwidth. The offset frequency, f, must be chosen sufficiently smaller than the PLL’s loop bandwidth, yet large enough
to avoid substantial phase noise contribution from the reference source. N is the value selected for the feedback divider and Fφ is the RF/IF phase detector
comparison frequency.
Note 11: The synthesizer phase noise is measured with the LMX2330TMEB/LMX2330SLBEB/LMX2330SLEEB Evaluation boards and the HP8566B Spectrum
Analyzer.
LMX2330U/LMX2331U/LMX2332U
www.national.com
11
相關(guān)PDF資料 |
PDF描述 |
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| LMX2331USLEX | PLL FREQUENCY SYNTHESIZER, 2000 MHz, PQCC24 |
| LMX2330UTMX/NOPB | PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO20 |
| LMX2335LTMX/NOPB | PLL FREQUENCY SYNTHESIZER, 1100 MHz, PDSO16 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LMX2331UTMX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications |
| LMX2332 WAF | 制造商:Texas Instruments 功能描述: |
| LMX2332A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications |
| LMX2332ATM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LMX2332ATMX | 功能描述:IC FREQ SYNTH DUAL 20-TSSOP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(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:時鐘 輸出:時鐘 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:* |
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