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参数资料
| 型号： | EL2160CS |
| 英文描述： | 130 MHz Current Feedback Amplifier |
| 中文描述： | 130 MHz电流反馈放大器 |
| 文件页数： | 6/16页 |
| 文件大小： | 430K |
| 代理商： | EL2160CS |
EL2160C
130 MHz Current Feedback Amplifier
Applications Information
Contd
current over temperature so that AC perform-
ance is not degraded as much over the entire op-
erating temperature range Of course this in-
crease in performance doesn’t come for free
Since the current has increased supply voltages
must be limited so that maximum power ratings
are not exceeded
The EL2160C consumes typically 85 mA and
maximum 110 mA The worst case power in an
IC occurs when the output voltage is at half sup-
ply if it can go that far or its maximum values if
it cannot reach half supply If we set the two
PDMAX equations equal to each other and solve
for VS we can get a family of curves for various
loads and output voltages according to
VS e
RL (TJMAX b TAMAX)
iJA
a
(VOUT)2
(2
IS RL) a VOUT
The following curves show supply voltage (gVS)
vs RLOAD for various output voltage swings for
the 2 different packages
The curves assume
worst case conditions of TA ea85 C and IS e
11 mA
Various VOUT (SO Package)
Supply Voltage vs RLOAD for
2060 – 12
Supply Voltage vs RLOAD for
Various VOUT (PDIP Package)
2060 – 13
The curves do not include heat removal or forc-
ing air or the simple fact that the package will
probably be attached to a circuit board which
can also provide some form of heat removal
Larger temperature and voltage ranges are possi-
ble with heat removal and forcing air past the
part
Current Limit
The EL2160C has an internal current limit that
protects the circuit in the event of the output be-
ing shorted to ground This limit is set at 100 mA
nominally and reduces with junction tempera-
ture At a junction temperature of 150 C the cur-
rent limits at about 65 mA If the output is short-
ed to ground the power dissipation could be well
over 1W Heat removal is required in order for
the EL2160C to survive an indefinite short
Driving Cables and Capacitive Loads
When used as a cable driver double termination
is always recommended for reflection-free per-
formance For those applications the back termi-
nation series resistor will decouple the EL2160C
from the capacitive cable and allow extensive ca-
pacitive drive However other applications may
have high capacitive loads without termination
resistors
In these applications
an additional
small value (5
X –50X) resistor in series with the
output will eliminate most peaking The gain re-
sistor RG can be chosen to make up for the gain
loss created by this additional series resistor at
the output
14
相关PDF资料 |
PDF描述 |
|---|---|
| EL2160C | 180MHz Current Feedback Amplifier |
| EL2160CM | 180MHz Current Feedback Amplifier |
| EL2160CS-T13 | 180MHz Current Feedback Amplifier |
| EL2160CS-T7 | 180MHz Current Feedback Amplifier |
| EL2170CN | 70 MHz/1 mA Current Mode Feedback Amplifiers |
相关代理商/技术参数 |
参数描述 |
|---|---|
| EL2160CS-T13 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:180MHz Current Feedback Amplifier |
| EL2160CS-T7 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:180MHz Current Feedback Amplifier |
| EL2166 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:110MHz Current Feedback Amplifier with Disable |
| EL2166CN | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:110MHz Current Feedback Amplifier with Disable |
| EL2166CS | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:110MHz Current Feedback Amplifier with Disable |
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