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參數(shù)資料
| 型號： | EL5196A |
| 廠商： | Intersil Corporation |
| 英文描述： | Single 400MHz Fixed Gain Amplifier with Enable |
| 中文描述： | 單400MHz的固定增益放大器啟用 |
| 文件頁數(shù)： | 12/13頁 |
| 文件大?。?/td> | 264K |
| 代理商： | EL5196A |
12
Applications Information
Product Description
The EL5196 is a fixed gain amplifier that offers a wide -3dB
bandwidth of 400MHz and a low supply current of 9mA per
amplifier. The EL5196 works with supply voltages ranging
from a single 5V to 10V and they are also capable of
swinging to within 1V of either supply on the output. This
combination of high bandwidth and low power, together with
aggressive pricing make the EL5196 the ideal choice for
many low-power/high-bandwidth applications such as
portable, handheld, or battery-powered equipment.
For varying bandwidth and higher gains, consider the
EL5191 with 1GHz on a 9mA supply current or the EL5193
with 300MHz on a 4mA supply current. Versions include
single, dual, and triple amp packages with 5-pin SOT-23, 16-
pin QSOP, and 8-pin or 16-pin SO outlines.
Power Supply Bypassing and Printed Circuit
Board Layout
As with any high frequency device, good printed circuit
board layout is necessary for optimum performance. Low
impedance ground plane construction is essential. Surface
mount components are recommended, but if leaded
components are used, lead lengths should be as short as
possible. The power supply pins must be well bypassed to
reduce the risk of oscillation. The combination of a 4.7μF
tantalum capacitor in parallel with a 0.01μF capacitor has
been shown to work well when placed at each supply pin.
Disable/Power-Down
The EL5196A amplifier can be disabled placing its output in
a high impedance state. When disabled, the amplifier supply
current is reduced to < 150μA. The EL5196A is disabled
when its CE pin is pulled up to within 1V of the positive
supply. Similarly, the amplifier is enabled by floating or
pulling its CE pin to at least 3V below the positive supply. For
±5V supply, this means that an EL5196A amplifier will be
enabled when CE is 2V or less, and disabled when CE is
above 4V. Although the logic levels are not standard TTL,
this choice of logic voltages allows the EL5196A to be
enabled by tying CE to ground, even in 5V single supply
applications. The CE pin can be driven from CMOS outputs.
Gain Setting
The EL5196A is built with internal feedback and gain
resistors. The internal feedback resistors have equal value;
as a result, the amplifier can be configured into gain of +1,
-1, and +2 without any external resistors. Figure 1 shows the
amplifier in gain of +2 configuration. The gain error is ±2%
maximum. Figure 2 shows the amplifier in gain of -1
configuration. For gain of +1, IN+ and IN- should be
connected together as shown in Figure 3. This configuration
avoids the effects of any parasitic capacitance on the IN- pin.
Since the internal feedback and gain resistors change with
temperature and process, external resistor should not be
used to adjust the gain settings.
Supply Voltage Range and Single-Supply
Operation
The EL5196 has been designed to operate with supply
voltages having a span of greater than or equal to 5V and
less than 11V. In practical terms, this means that the EL5196
will operate on dual supplies ranging from ±2.5V to ±5V.
With single-supply, the EL5196 will operate from 5V to 10V.
As supply voltages continue to decrease, it becomes
necessary to provide input and output voltage ranges that
can get as close as possible to the supply voltages. The
EL5196 has an input range which extends to within 2V of
either supply. So, for example, on ±5V supplies, the EL5196
has an input range which spans ±3V. The output range of
the EL5196 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
FIGURE 1. A
V
= +2
-
+
400
400
IN-
IN+
FIGURE 2. A
V
= -1
-
+
400
400
IN-
IN+
FIGURE 3. A
V
= +1
-
+
400
400
IN-
IN+
EL5196, EL5196A
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| EL5196ACS | Low-Power and Low-Voltage Stereo CODEC with line-out (H/W Control) 16-TSSOP -25 to 85 |
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| EL5196ACS-T7 | Single 400MHz Fixed Gain Amplifier with Enable |
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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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