參數(shù)資料
型號(hào)： LMX2330USLBX
廠(chǎng)商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： XO, clock
英文描述： PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
中文描述： PLL FREQUENCY SYNTHESIZER, 2500 MHz, PQCC24
封裝： PLASTIC, CSP-24
文件頁(yè)數(shù)： 10/42頁(yè)
文件大?。?/td> 3318K
代理商： LMX2330USLBX
Electrical Characteristics
(Continued)
V
CC
= V
P
RF = V
P
IF = 3.0V, 40C
≤
T
A
≤
+85C, unless otherwise specified
Symbol
Parameter
Conditions
Value
Typ
Units
Min
Max
PHASE NOISE CHARACTERISTICS
L
N
(f) IF
IF Synthesizer Normalized Phase
Noise Contribution
(Note 10)
L(f) IF
IF Synthesizer Single
Side Band Phase
Noise Measured
TCXO Reference Source
ID
o
IF Bit = 1
-212.0
dBc/
Hz
LMX233xU
f
IN
IF = 200 MHz
f = 1 kHz Offset
F
φ
IF
= 200 kHz
Loop Bandwidth = 18 kHz
N = 1000
F
OSC
= 10 MHz
V
OSC
= 0.632 V
PP
ID
o
IF Bit = 1
PWDN RF Bit = 1
T
A
= +25C
(Note 11)
-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 f
IN
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 OSC
in
Sensitivity Test Setup section
Note 9:
Refer to the LMX233xU Serial Data Input Timing section
Note 10:
Normalized Phase Noise Contribution is defined as : L
N
(f) = L(f) 20 log (N) 10 log (F
φ
), where L(f) is defined as the single side band phase noise
measured at an offset frequency, f, in a 1 Hz 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 F
φ
is the RF/IF phase detector
comparison frequency.
Note 11:
The synthesizer phase noise is measured with the LMX2330TMEB/LMX2330SLBEB Evaluation boards and the HP8566B Spectrum Analyzer.
L
www.national.com
10
相關(guān)PDF資料
PDF描述
LMX2330UTM PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2330UTMX PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2331USLBX PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2331UTM PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2331UTMX PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX2330USLEX/NOPB 功能描述:IC FREQ SYNTH DUAL 20LAMUTCSP RoHS:是 類(lèi)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(lèi)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(lèi)型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LMX2330UTM 功能描述:IC FREQ SYNTHESIZER DUAL 20TSSOP RoHS:否 類(lèi)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(lèi)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(lèi)型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LMX2330UTMX 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:PLLatinum Ultra Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2331 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:PLLatinum⑩ Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2331 WAF 制造商:Texas Instruments 功能描述:
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