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參數(shù)資料
| 型號： | ICS8427DK-02 |
| 英文描述： | 500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| 中文描述： | 500MHz的低抖動的LVCMOS /水晶到LVHSTL頻率合成器 |
| 文件頁數(shù)： | 16/21頁 |
| 文件大小： | 258K |
| 代理商： | ICS8427DK-02 |
8427DY-02
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 17, 2006
16
Integrated
Circuit
Systems, Inc.
ICS8427-02
500MH
Z
, L
OW
J
ITTER
LVCMOS/C
RYSTAL
-
TO
-LVHSTL F
REQUENCY
S
YNTHESIZER
3. Calculations and Equations.
The purpose of this section is to derive the power dissipated into the load.
LVHSTL output driver circuit and termination are shown in
Figure 7.
T
o calculate worst case power dissipation into the load, use the following equations which assume a 50
Ω
load.
Pd_H is power dissipation when the output drives high.
Pd_L is the power dissipation when the output drives low.
Pd_H = (V
OH_MIN
/R
L
) * (V
DD_MAX
- V
OH_MIN
)
Pd_L = (V
OL_MAX
/R
L
) * (V
DD_MAX
- V
OL_MAX
)
Pd_H = (0.9V/50
Ω
) * (2V - 0.9V) =
19.8mW
Pd_L = (0.4V/50
Ω
) * (2V - 0.4V) =
12.8mW
Total Power Dissipation per output pair = Pd_H + Pd_L =
32.6mW
F
IGURE
7. LVHSTL D
RIVER
C
IRCUIT
AND
T
ERMINATION
V
DDO
V
OUT
RL
50
Ω
Q1
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| ICS8427DK-02LF | 500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| ICS8427DK-02LFT | 500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| ICS8427DK-02T | 500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| ICS8427DY-02 | 500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| ICS8427DY02L | 500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ICS8427DK-02LF | 制造商:ICS 制造商全稱:ICS 功能描述:500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| ICS8427DK-02LFT | 制造商:ICS 制造商全稱:ICS 功能描述:500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| ICS8427DK-02T | 制造商:ICS 制造商全稱:ICS 功能描述:500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| ICS8427DY-02 | 制造商:ICS 制造商全稱:ICS 功能描述:500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
| ICS8427DY02L | 制造商:ICS 制造商全稱:ICS 功能描述:500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER |
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