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參數(shù)資料
| 型號： | MAX3672 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Jitter 155MHz/622MHz Clock Generator |
| 中文描述： | 低抖動、155MHz/622MHz時鐘發(fā)生器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 493K |
| 代理商： | MAX3672 |
Note 1:
Specifications at -40
°
C are guaranteed by design and characterization.
Note 2:
Measured with PECL outputs unterminated.
Note 3:
OPAMP specifications met with 10k
load to ground or 5k
load to V
CC
(POLAR = 0 and POLAR = V
CC
).
Note 4:
PFD/CP currents are measured from pins OPAMP+ to OPAMP-. See Table 4 for gain settings.
Note 5:
AC characteristics are guaranteed by design and characterization.
Note 6:
Measured with 50% VCO input duty cycle.
Note 7:
Random noise voltage at op amp output with 800k
resistor connected between VC and OPAMP-, PFD/CP gain (K
PD
) =
5μA/UI, and POLAR = 0. Measured with the PLL open loop and no REFCLK or VCO input.
Note 8:
Spurious noise voltage due to PFD/CP output pulses measured at op amp output with R
1
= 800k
, K
PD
= 5μA/UI, and com-
pare frequency 400 times greater than the higher-order pole frequency (see the
Design Procedure
section).
Note 9:
PSR measured with a 100mV
P-P
sine wave on V
CC
in a frequency range from 100Hz to 2MHz. External resistors R
1
matched
to within 1%, external capacitors C
1
matched to within 10%. Measured closed loop with PLL bandwidth set to 200Hz.
Note 10:
The PLL 3dB bandwidth is adjusted from 30Hz to 10kHz by changing external components R
1
and C
1
, by selecting the
internal programmable divider ratio and phase-detector gain. Measured with VCO gain of 150ppm/V and C
1
limited to 2.2μF.
Note 11:
When input jitter frequency is above PLL transfer bandwidth (BW), the jitter transfer function rolls off at -20dB/decade.
M
Low-Jitter 155MHz/622MHz Clock Generator
4
_______________________________________________________________________________________
AC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3.3V ±10% or V
CC
= +5.0V ±10%, T
A
= -40
°
C to +85
°
C. Typical values are at V
CC
= +3.3V and T
A
= +25
°
C, unless other-
wise noted.) (Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PLL SPECIFICATIONS
PLL Jitter Transfer Bandwidth
Jitter Transfer Peaking
OPAMP SPECIFICATION
Unity-Gain Bandwidth
VCO INPUT SPECIFICATIONS
VCO Input Frequency
VCO Input Slew Rate
BW
(Note 10)
F
JITTER
≤
BW (Note 11)
30
10,000
0.1
Hz
dB
7
MHz
f
VCO
622/155
700
MHz
V/ns
0.5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3672E/D | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX3672E/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX3673DBETN+ | 功能描述:時鐘合成器/抖動清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX3673ETN | 功能描述:時鐘合成器/抖動清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX3673ETN+ | 功能描述:時鐘合成器/抖動清除器 Low-Jitter Frequency Synthesizer RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
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