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參數(shù)資料
| 型號(hào)： | EL5196CS-T7 |
| 元件分類： | Codec |
| 英文描述： | 24-bit Stereo Audio Codec 96kHz (ADC) 192 kHz (DAC) with Single-Ended Analog Input/Output 24-SSOP -25 to 85 |
| 中文描述： | 單400MHz的固定增益放大器 |
| 文件頁(yè)數(shù)： | 4/14頁(yè) |
| 文件大?。?/td> | 292K |
| 代理商： | EL5196CS-T7 |
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12
EL5196C - Preliminary
Single 400MHz Fixed Gain Amplifier
E
L
51
96
C
-
P
re
lim
in
ar
y
with higher closed-loop gains, it becomes possible to
reduce the value of RF below the specified 375 and
still retain stability, resulting in only a slight loss of
bandwidth with increased closed-loop gain.
Supply Voltage Range and Single-Supply
Operation
The EL5196C has been designed to operate with supply
voltages having a span of greater than 5V and less than
10V. In practical terms, this means that the EL5196C
will operate on dual supplies ranging from ±2.5V to
±5V. With single-supply, the EL5196C will operate
from 5V to 10V.
As supply voltages continue to decrease, it becomes nec-
essary to provide input and output voltage ranges that
can get as close as possible to the supply voltages. The
EL5196C has an input range which extends to within 2V
of either supply. So, for example, on ±5V supplies, the
EL5196C has an input range which spans ±3V. The out-
put range of the EL5196C is also quite large, extending
to within 1V of the supply rail. On a ±5V supply, the
output is therefore capable of swinging from -4V to
+4V. Single-supply output range is larger because of the
increased negative swing due to the external pull-down
resistor to ground.
Video Performance
For good video performance, an amplifier is required to
maintain the same output impedance and the same fre-
quency response as DC levels are changed at the output.
This is especially difficult when driving a standard video
load of 150
, because of the change in output current
with DC level. Previously, good differential gain could
only be achieved by running high idle currents through
the output transistors (to reduce variations in output
impedance.) These currents were typically comparable
to the entire 6mA supply current of each EL5196C
amplifier. Special circuitry has been incorporated in the
EL5196C to reduce the variation of output impedance
with current output. This results in dG and dP specifica-
tions of 0.015% and 0.04°, while driving 150
at a gain
of 2.
Video performance has also been measured with a 500
load at a gain of +1. Under these conditions, the
EL5196C has dG and dP specifications of 0.03% and
0.05°, respectively.
Output Drive Capability
In spite of its low 6mA of supply current, the EL5196C
is capable of providing a minimum of ±120mA of output
current. With a minimum of ±120mA of output drive,
the EL5196C is capable of driving 50
loads to both
rails, making it an excellent choice for driving isolation
transformers in telecommunications applications.
Driving Cables and Capacitive Loads
When used as a cable driver, double termination is
always recommended for reflection-free performance.
For those applications, the back-termination series resis-
tor will decouple the EL5196C from the cable and allow
extensive capacitive drive. However, other applications
may have high capacitive loads without a back-termina-
tion resistor. In these applications, a small series resistor
(usually between 5
and 50) can be placed in series
with the output to eliminate most peaking. The gain
resistor (RG) can then be chosen to make up for any gain
loss which may be created by this additional resistor at
the output. In many cases it is also possible to simply
increase the value of the feedback resistor (RF) to reduce
the peaking.
Current Limiting
The EL5196C has no internal current-limiting circuitry.
If the output is shorted, it is possible to exceed the Abso-
lute Maximum Rating for output current or power
dissipation, potentially resulting in the destruction of the
device.
Power Dissipation
With the high output drive capability of the EL5196C, it
is possible to exceed the 150°C Absolute Maximum
junction temperature under certain very high load cur-
rent conditions. Generally speaking when RL falls below
about 25
, it is important to calculate the maximum
junction temperature (TJMAX) for the application to
determine if power supply voltages, load conditions, or
package type need to be modified for the EL5196C to
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EL5197ACSZ | 功能描述:高速運(yùn)算放大器 EL5197ACSZ 200MHZ CFA ENABLE NOTCOMEND RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| EL5197ACSZ-T13 | 功能描述:高速運(yùn)算放大器 EL5197ACSZ 200MHZ CFA ENABLE NOTCOMEND RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| EL5197ACSZ-T7 | 功能描述:高速運(yùn)算放大器 EL5197ACSZ 200MHZ CFA ENABLE NOTCOMEND RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| EL520-10 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| EL520-100 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
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