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参数资料
| 型号： | LC72148V |
| 元件分类： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 40 MHz, PDSO24 |
| 封装： | SSOP-24 |
| 文件页数： | 9/21页 |
| 文件大小： | 170K |
| 代理商： | LC72148V |
Structure of the Charge Pump
No. 6974-17/21
LC72148V
DLC
Phase
Detector
Unlock
Detector
and
Subcharge
Pump Cont
Unlock
(Main)
PDS
R1S
(SUB)
DO or I/O-5 pins
DZ1
DZ0
PDC1
PDC0
Clock
UL0
UL1
fvco/N
fref
PD1
PD0
AIN
AOUT
Vssa
R1S = 300
(typ)
PD0
PDS
R1S
R1M
Vcc
Vtune
PDC1
PDC0
PDS (Sub-charge pump state)
0
*
High impedance
1
Charge pump operation (normal)
1
0
Charge pump operation (unlocked mode)
DLC
PD1, PD0, PDS
0
Normal operation
1
Forced low.
Note*: When the unlocked state is detected when changing stations, PDS (the sub-charge pump) operates, R1 becomes R1M/R1S, the low-pass filter time
constant is made smaller, and frequency locking is accelerated.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LC72148V-MPB-E | 制造商:ON Semiconductor 功能描述:PLL FREQUENCY SYNTHESIZER - Ammo Pack 制造商:ON Semiconductor 功能描述:Phase Locked Loops - PLL |
| LC72148V-TLM-E | 功能描述:时钟合成器/抖动清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| LC7215 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:MW/LW PLL Frequency Synthesizers |
| LC72151V | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:PLL Frequency Synthesizer for Electronic Tuning in Car Audio Systems |
| LC72151VS-MPB-E | 制造商:ON Semiconductor 功能描述:PLL FREQUENCY SYNTHESIZER - Ammo Pack |
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