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參數(shù)資料
| 型號(hào)： | EL1505C |
| 英文描述： | Differential Line Driver(差分線驅(qū)動(dòng)器) |
| 中文描述： | 差分線路驅(qū)動(dòng)器（差分線驅(qū)動(dòng)器） |
| 文件頁數(shù)： | 2/13頁 |
| 文件大?。?/td> | 209K |
| 代理商： | EL1505C |
10
EL1504C, EL1505C
Differential Line Driver
EL1504C,
E
L
1505C
region of output operation as opposed to the 100
load
line which intersects the maximum current line.
The preceeding three graphs show the internal dissipa-
tion of the device for various supply voltages and loads.
Note that these curves are calculated for a continuous
sine wave at worst case supply current (IS=35mA) using
the equation mentioned before and since ADSL trans-
missions signals have a large peak to average power
ratio, AC dissipation is more likely to be 25% of contin-
uous maximum output level. By consulting the curves, a
choice can be made between the EL1504C or EL1505C
for different values of VOUT and RLD. Note that 50
and 100
loads are not practical loads for a 15V supply
as even small output swings exceed the maximum dissi-
pation of the device. Maximum dissipation also depends
on the ambient temperature TA - the graphs shown were
calculated at TA= 85°C, but the dissipation can be calcu-
lated for any TA from the following equation.
For a given
θ
JA, the maximum PD is
where TMAX = 150°C, the maximum die temperature in
a plastic package, TA is the ambient air temperature and
θ
JA is the thermal resistance of the package in question.
When the package is mounted on a heatsink,
θ
JA is ref-
ered to as
θ
JM.
The 20 lead EL1504C package will exhibit a
θ
JA of
80
°C/W with no assistance from circuit board heatsinks.
This will suffice for the lowest supply voltages and out-
put levels. The best
θ
JM that can be obtained is about
30
°C/W, and a practical layout would produce 43°C/W.
More detail is available from the Elantec application
note Measuring the Thermal Resistance of Power Sur-
face-Mount Packages.
DIFFERENTIAL VOUT (V)
P
DI
S
(W
)
0
1.0
048
Power Dissipation for Various Loads (VS = ±6V)
0.6
610
2
0.8
0.4
0.2
RLD = 50
RLD = 100
RLD= 150
RLD = 200
DIFFERENTIAL VOUT (V)
P
DI
SS
(W
)
1.0
1.4
2.4
0
8
16
28
Power Dissipation for Various Loads (VS = ±15V)
2.0
1.8
12
20
424
2.2
1.6
1.2
RLD = 50
RLD = 100
RLD = 150
RLD = 200
DIFFERENTIAL VOUT (V)
P
DI
SS
(W
)
0.8
048
Power Dissipation for Various Loads (VS = ±5V)
610
2
0.7
0.5
0.3
0.6
0.4
RLD = 100
RLD = 150
RLD = 200
RLD = 50
P
D
T
MAX
T
–
A
()
θ
JA
-------------------------------------
=
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EL1505CM | 制造商:ELANTEC 制造商全稱:ELANTEC 功能描述:Differential Line Driver |
| EL1506 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Medium Power Differential Line Driver |
| EL1506_05 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Medium Power Differential Line Driver |
| EL1506CM | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Medium Power Differential Line Driver |
| EL1506CM-T13 | 功能描述:IC LINE DRVR DUAL ADSL 28-HTSSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
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