參數(shù)資料
型號(hào): ICS853031AYLFT
元件分類: 圓形連接器
英文描述: Circular Connector; No. of Contacts:1; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:18; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:18-16 RoHS Compliant: No
中文描述: 低偏移,1到9 DIFFERENTIAL-TO-2.5V/3.3V的LVPECL / ECL扇出緩沖器
文件頁(yè)數(shù): 15/19頁(yè)
文件大?。?/td> 241K
代理商: ICS853031AYLFT
853031AY
www.icst.com/products/hiperclocks.html
REV. B SEPTEMBER 16, 2004
15
Integrated
Circuit
Systems, Inc.
ICS853031
L
OW
S
KEW
, 1-
TO
-9
D
IFFERENTIAL
-
TO
-2.5V/3.3V LVPECL/ECL F
ANOUT
B
UFFER
3. Calculations and Equations.
The purpose of this section is to derive the power dissipated into the load.
LVPECL output driver circuit and termination are shown in Figure 8.
T
o calculate worst case power dissipation into the load, use the following equations which assume a 50
load, and a termination
voltage of V
CCO
- 2V.
For logic high, V
OUT
= V
OH_MAX
=
V
CCO_MAX
– 0.935V
(V
CCO_MAX
- V
OH_MAX
) =
0.935V
For logic low, V
OUT
= V
OL_MAX
=
V
CCO_MAX
– 1.67V
(V
CCO_MAX
- V
OL_MAX
) =
1.67V
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_MAX
– (V
CCO_MAX
- 2V))/R
[(2V - 0.935V)/50
] * 0.935V =
19.92mW
L
] * (V
CCO_MAX
- V
OH_MAX
) = [(2V - (V
CCO_MAX
- V
OH_MAX
))/R
L
] * (V
CCO_MAX
- V
OH_MAX
) =
Pd_L = [(V
OL_MAX
– (V
CCO_MAX
- 2V))/R
[(2V - 1.67V)/50
] * 1.67V =
11.2mW
L
] * (V
CCO_MAX
- V
OL_MAX
) = [(2V - (V
CCO_MAX
- V
OL_MAX
))/R
L
] * (V
CCO_MAX
- V
OL_MAX
) =
Total Power Dissipation per output pair = Pd_H + Pd_L =
30.94mW
F
IGURE
8. LVPECL D
RIVER
C
IRCUIT
AND
T
ERMINATION
VCCO - 2V
Q1
VOUT
RL
50
VCCO
相關(guān)PDF資料
PDF描述
ICS85304-01 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER
ICS85304AG-01 LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER
ICS85304AG-01T LOW SKEW, 1-TO-5 DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER
ICS8530DY-01 LOW SKEW, 1-TO-16 DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER
ICS8530DY-01T LOW SKEW, 1-TO-16 DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER
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