參數(shù)資料
型號: LMX2470
廠商: National Semiconductor Corporation
英文描述: 2.6 GHz Delta-Sigma Fractional-N PLL with 800 MHz Integer-N PLL
中文描述: 2.6 GHz的Δ-Σ分?jǐn)?shù)N與800兆赫整數(shù)N分頻PLL鎖相環(huán)
文件頁數(shù): 29/36頁
文件大?。?/td> 453K
代理商: LMX2470
Programming Description
(Continued)
2.4 R3 REGISTER
REGISTER
23
22
21
20
DATA[19:0] ( Except for the RF_N Register, which is [22:0] )
RF_CPG[3:0]
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
C3
0
C2
1
C1
0
C0
1
R3
0
IF_R[14:0]
2.4.1 IF_R[14:0] -- IF R Divider Value
For the IF R divider, the R value is determined by the IF_R[14:0] bits in the R3 register. The minimum value for IF_R is 3.
R Value
3
...
32767
IF_R[14:0]
0
.
1
0
.
1
0
.
1
0
.
1
0
.
1
0
.
1
0
.
1
0
.
1
0
.
1
0
.
1
0
.
1
0
.
1
0
.
1
1
.
1
1
.
1
2.4.2 RF_CPG -- RF PLL Charge Pump Gain
This is used to control the magnitude of the RF PLL charge pump in steady state operation
RF_CPG[3:0]
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
RF Charge Pump Current (μA)
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
L
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相關(guān)PDF資料
PDF描述
LMX2470SLEX 2.6 GHz Delta-Sigma Fractional-N PLL with 800 MHz Integer-N PLL
LMX2485 50 MHz - 3.0 GHz High Performance Delta-Sigma Low Power Dual PLLatinum⑩ Frequency Synthesizers with 800 MHz Integer PLL
LMX2485E 50 MHz - 3.0 GHz High Performance Delta-Sigma Low Power Dual PLLatinum⑩ Frequency Synthesizers with 800 MHz Integer PLL
LMX2485ESQ 50 MHz - 3.0 GHz High Performance Delta-Sigma Low Power Dual PLLatinum⑩ Frequency Synthesizers with 800 MHz Integer PLL
LMX2485ESQX 50 MHz - 3.0 GHz High Performance Delta-Sigma Low Power Dual PLLatinum⑩ Frequency Synthesizers with 800 MHz Integer PLL
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX2470EVAL 功能描述:時(shí)鐘和定時(shí)器開發(fā)工具 LMX2470 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類型:Clock Conditioners 工具用于評估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V
LMX2470SLEX 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
LMX2470SLEX/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
LMX2471 制造商:NSC 制造商全稱:National Semiconductor 功能描述:3.6 GHz Delta-Sigma Fractional-N PLL with 1.7 GHz Integer-N PLL
LMX2471 WAF 制造商:Texas Instruments 功能描述: