參數(shù)資料
型號(hào): LMX2531LQ1570E
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: XO, clock
英文描述: PLLatinum High Performance Frequency Synthesizer System with Integrated VCO
中文描述: PLL FREQUENCY SYNTHESIZER, 80 MHz, QCC36
封裝: 6 X 6 MM, 0.80 MM HEIGHT, LEAD FREE, LLP-36
文件頁數(shù): 21/25頁
文件大?。?/td> 589K
代理商: LMX2531LQ1570E
2.0 General Programming Information
(Continued)
2.7 REGISTER R6
2.7.1 C3_C4_ADJ[2:0] -- Value for C3 and C4 in the internal Loop Filter
C3_C4_ADJ
0
1
2
3
4
5
6
7
C3 (pF)
50
50
50
100
150
100
50
50
C4 (pF)
50
100
150
50
50
100
150
150
2.7.2 R3_ADJ_FL[1:0] -- Value for Internal Loop Filter Resistor R3 During Fastlock
R3_ADJ_FL Value
0
1
2
3
R3 Resistor During Fastlock (k
)
10
20
30
40
2.7.3 R3_ADJ[1:0] -- Value for Internal Loop Filter Resistor R3
R3_ADJ
0
1
2
3
R3 Value (k
)
10
20
30
40
2.7.4 R4_ADJ_FL[1:0] -- Value for Internal Loop Filter Resistor R4 During Fastlock
R4_ADJ_FL
0
1
2
3
R4 Value during Fast Lock (k
)
10
20
30
40
2.7.5 R4_ADJ[1:0] -- Value for Internal Loop Filter Resistor R4
R4_ADJ
0
1
2
3
R4 Value (k
)
10
20
30
40
2.7.6 EN_LPFLTR-- Enable for Partially Integrated Internal Loop Filter
The Enable Loop Filter bit is used to enable/disable the 3rd and 4th pole on-chip loop filters.
EN_LPFLTR
3rd and 4th Poles of Loop Filter
disabled
(R3 = R4 = 0 ohms and C3 = C4 = 100 pF)
enabled
0
1
L
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LMX2531LQ1650E/NOPB 功能描述:鎖相環(huán) - PLL HIGH PERF FREQUENCY SYNTHESIZER SYSTEM RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
LMX2531LQ1700E 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Performance Frequency Synthesizer System with Integrated VCO
LMX2531LQ1700E/NOPB 功能描述:鎖相環(huán) - PLL RoHS:否 制造商:Silicon Labs 類型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray