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參數(shù)資料
| 型號(hào)： | EL2211C |
| 英文描述： | Low Cost, Dual,Video Op Amps(低價(jià)雙路視頻運(yùn)算放大器) |
| 中文描述： | 低成本，雙路，視頻運(yùn)算放大器（低價(jià)雙路視頻運(yùn)算放大器） |
| 文件頁(yè)數(shù)： | 11/12頁(yè) |
| 文件大?。?/td> | 198K |
| 代理商： | EL2211C |
January
1996
Rev
D
EL2210C11CEL2310C11CEL2410C11C
Low Cost Dual Triple and Quad Video Op Amps
Application Information
Contd
In the above example if the supplies were split
g
6V and the 150
X loads were connected to
ground
the load induced power dissipation
would drop to 106 mW (133 mA
(6 b 2)
2)
and the die temperature would be below the rated
maximum
Video Performance
Following
industry
standard
practices
(see
EL2044 applications section) these six devices ex-
hibit good differential gain (dG) and good differ-
ential phase (dP) with g5V supplies and an ex-
ternal 820
X resistor to the negative supply in a
gain of 2 configuration Driving 75
X back termi-
nated cables to standard video levels (1428V at
the amplifier) the EL2210 EL2310 and EL2410
have dG of 01% and dP of 02
The EL2211
EL2311 and the EL2411 have dG of 004% and
dP of 015
Due to the negative swing limitations described
above inverted video at a gain of 2 is just not
practical If swings below ground are required
then changing the extra 820
X resistor to 500X
will allow reasonable dG and dP to approximate-
ly b075 mV The EL2211 EL2311 and EL2411
will achieve approximately 01%04 between 0V
and b075V Beyond b075V dG and dP get
worse by orders of magnitude
Differential gain and differential phase are fairly
constant for all loads above 150
X Differential
phase performance will improve by a factor of 3
if the supply voltage is increased to g6V
Output Drive Capability
None of these devices have short circuit protec-
tion
Each output is capable of more than
100 mA into a shorted output Care must be used
in the design to limit the output current with a
series resistor
Printed-Circuit Layout
The
EL2210CEL2211CEL2310CEL2311C
EL2410CEL2411C are well behaved and easy to
apply in most applications However a few sim-
ple techniques will help assure rapid high quality
results As with any high-frequency device good
PCB layout is necessary for optimum perform-
ance Ground-plane construction is highly recom-
mended as is good power supply bypassing A
01
mF ceramic capacitor is recommended for by-
passing both supplies Lead lengths should be as
short as possible and bypass capacitors should be
as close to the device pins as possible For good
AC performance parasitic capacitances should be
kept to a minimum at both inputs and at the
output
Resistor values should be kept under
5K
X because of the RC time constants associat-
ed with the parasitic capacitance Metal-film and
carbon resistors are both acceptable use of wire-
wound resistors is not recommended because of
their parasitic inductance Similarly capacitors
should be low-inductance for best performance
8
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相關(guān)代理商/技術(shù)參數(shù) |
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| EL2211CN | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Low Cost, Dual, Triple and Quad Video Op Amps |
| EL2211CS | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Low Cost, Dual, Triple and Quad Video Op Amps |
| EL2223 | 制造商:ELANTEC 制造商全稱:ELANTEC 功能描述:Dual, 500 MHz High Speed, Operational Amplifier |
| EL2223C | 制造商:ELANTEC 制造商全稱:ELANTEC 功能描述:Dual, 500 MHz High Speed, Operational Amplifier |
| EL2223CJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier |
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