參數(shù)資料
型號(hào): EL2150CS
廠商: INTERSIL CORP
元件分類: 音頻/視頻放大
英文描述: 125MHz Single Supply, Clamping Op Amps
中文描述: 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
封裝: SO-8
文件頁數(shù): 17/19頁
文件大小: 620K
代理商: EL2150CS
17
package type need to be modified for the EL2150 and
EL2157 to remain in the safe operating area.
The maximum power dissipation allowed in a package is
determined according to [1]:
where:
T
JMAX
= Maximum junction temperature
T
AMAX
= Maximum ambient temperature
θ
JA
= Thermal resistance of the package
PD
MAX
= Maximum power dissipation in the package
The maximum power dissipation actually produced by an IC
is the total quiescent supply current times the total power
supply voltage, plus the power in the IC due to the load, or
[2]
where:
V
S
= Total supply voltage
I
SMAX
= Maximum supply current
V
OUT
= Maximum output voltage of the application
R
L
= Load resistance tied to ground
If we set the two PD
MAX
equations, [1] & [2], equal to each
other, and solve for V
S
, we can get a family of curves for
various loads and output voltages according to [3]:
Figures 11 and 12 show total single supply voltage V
S
vs R
L
for various output voltage swings for the SO package. The
curves assume WORST CASE conditions of T
A
= +85°C
and I
S
= 6.5mA.
PD
MAX
T
- T
JA
--------------------------------------------
=
PD
MAX
V
S
I
SMAX
×
V
s
- V
OUT
(
)
V
L
---------------
×
+
=
V
S
R
----------------------------------------------------------------
------------------------------------------------+
T
- T
s
(
)
×
V
OUT
(
)
2
+
L
OUT
=
FIGURE 11.
Single Supply Voltage
vs R
LOAD
for Various
V
OUT
FIGURE 12.
Single Supply Voltage
vs R
LOAD
for Various
V
OUT
EL2150, EL2157
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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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