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參數(shù)資料
| 型號(hào)： | ADF4113HVBRUZ-RL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | XO, clock |
| 英文描述： | High Voltage Charge Pump, PLL Synthesizer |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 3700 MHz, PDSO16 |
| 封裝： | LEAD FREE, MO-153AB, TSSOP-16 |
| 文件頁(yè)數(shù)： | 10/20頁(yè) |
| 文件大小： | 385K |
| 代理商： | ADF4113HVBRUZ-RL |
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ADF4113HV
PHASE FREQUENCY DETECTOR (PFD) AND
CHARGE PUMP
The PFD takes inputs from the R counter and N counter and
produces an output proportional to the phase and frequency
difference between them. Figure 17 is a simplified schematic.
The PFD includes a programmable delay element that controls
the width of the antibacklash pulse. This pulse ensures that
there is no dead zone in the PFD transfer function and mini-
mizes phase noise and reference spurs. Two bits in the reference
counter latch, ABP2 and ABP1, control the width of the pulse.
See Figure 20. The only recommended setting for the antiback-
lash pulse width is 7.2 ns.
Rev. 0 | Page 10 of 20
PRODELAY
U3
CLR2
Q2
D2
U2
CLR1
Q1
D1
CPUMP
DOWN
UP
HIGH
HIGH
U1
ABP1
ABP2
R DIVIDER
N DIVIDER
CP OUTPUT
R DIVIDER
N DIVIDER
CP
CPGND
V
P
0
Figure 17. PFD Simplified Schematic and Timing (in Lock)
MUXOUT AND LOCK DETECT
The output multiplexer on the ADF4113HV allows the user to
access various internal points on the chip. The state of MUXOUT
is controlled by M3, M2, and M1 in the function latch. Figure 22
shows the full truth table (function latch map). Figure 18 shows
the MUXOUT section in block diagram form.
CONTROL
MUX
DV
DD
MUXOUT
DGND
ANALOG LOCK DETECT
DIGITAL LOCK DETECT
R COUNTER OUTPUT
N COUNTER OUTPUT
SDOUT
0
Figure 18. MUXOUT Circuit
Lock Detect
MUXOUT can be programmed for two types of lock detect:
digital lock detect and analog lock detect.
Digital lock detect is active high. When LDP in the AB counter
latch is set to 0, digital lock detect is set high when the phase
error on five consecutive phase detector (PD) cycles is less than
10 ns. With LDP set to 1, five consecutive cycles of less than
3 ns are required to set the lock detect. It stays high until a phase
error greater than 25 ns is detected on any subsequent PD cycle.
Operate the N-channel, open-drain, analog lock detect with a
10 kΩ nominal external pull-up resistor. When lock has been
detected, this output is high with narrow low-going pulses.
INPUT SHIFT REGISTER
The ADF4113HV digital section includes a 24-bit input shift
register, a 14-bit R counter, and a 19-bit N counter comprising
a 6-bit A counter and a 13-bit B counter. Data is clocked into
the 24-bit shift register on each rising edge of CLK, MSB first.
Data is transferred from the shift register to one of three latches
on the rising edge of LE. The destination latch is determined by
the state of the two control bits (C2, C1) in the shift register.
These are the two LSBs, DB1 and DB0, as shown in Figure 2.
The truth table for these bits is shown in Table 6. Figure 19
shows a summary of how the latches are programmed.
Table 6. C2, C1 Truth Table
Control Bits
C2
C1
Data Latch
0
0
R counter
0
1
N counter (A and B)
1
0
Function latch (including prescaler)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| ADF4113HVBRUZ-RL7 | 功能描述:IC CHARGE PUMP HV SYNTH 16-TSSOP RoHS:是 類別: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:- 標(biāo)準(zhǔn)包裝:1,000 系列:Precision Edge® 類型:時(shí)鐘/頻率合成器 PLL:無 輸入:CML，PECL 輸出:CML 電路數(shù):1 比率 - 輸入:輸出:2:1 差分 - 輸入:輸出:是/是 頻率 - 最大:10.7GHz 除法器/乘法器:無/無 電源電壓:2.375 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VFQFN 裸露焊盤，16-MLF? 供應(yīng)商設(shè)備封裝:16-MLF?（3x3） 包裝:帶卷 (TR) 其它名稱:SY58052UMGTRSY58052UMGTR-ND |
| ADF4113HVSD1Z | 制造商:Analog Devices 功能描述:- Rail/Tube |
| ADF4116 | 制造商:AD 制造商全稱:Analog Devices 功能描述:RF PLL Frequency Synthesizers |
| ADF4116_07 | 制造商:AD 制造商全稱:Analog Devices 功能描述:RF PLL Frequency Synthesizers |
| ADF4116BCP | 制造商:AD 制造商全稱:Analog Devices 功能描述:RF PLL Frequency Synthesizers |
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