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參數(shù)資料
| 型號： | EL5152IS |
| 廠商： | INTERSIL CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | CAP.0082UF 400V PEN FILM 1913 5% |
| 中文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | 0.150 INCH, SOIC-8 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 357K |
| 代理商： | EL5152IS |
11
FN7385.3
February 17, 2005
Disable/Power-Down
The EL5152 and EL5253 can be disabled with their output
placed in a high impedance state. The turn off time is about
330ns and the turn on time is about 130ns. When disabled,
the amplifier's supply current is reduced to 17μA typically;
essentially eliminating power consumption. The amplifier's
power down is controlled by standard TTL or CMOS signal
levels at the ENABLE pin. The applied logic signal is relative
to V
S
- pin. Letting the ENABLE pin float or the application of
a signal that is less than 0.8V above V
S
- enables the
amplifier. The amplifier is disabled when the signal at
ENABLE pin is above V
S
+ -1.5V.
Output Drive Capability
The EL5152 and EL5153 families do not have internal short
circuit protection circuitry. Typically, short circuit currents as
high as 95mA and 70mA can be expected and naturally, if
the output is shorted indefinitely the part can easily be
damaged from overheating, or excessive current density
may eventually compromise metal integrity. Maximum
reliability is maintained if the output current is always held
below ±40mA. This limit is set and limited by the design of
the internal metal interconnect. Note that in transient
applications, the part is extremely robust.
Power Dissipation
With the high output drive capability of the EL5152 and
EL5153 families, it is possible to exceed the 125°C absolute
maximum junction temperature under certain load current
conditions. Therefore, it is important to calculate the
maximum junction temperature for an application to
determine if load conditions or package types need to be
modified to assure operation of the amplifier in a safe
operating area.
The maximum power dissipation allowed in a package is
determined according to:
Where:
T
JMAX
= Maximum junction temperature
T
AMAX
= Maximum ambient temperature
q
JA
= Thermal resistance of 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:
For sourcing:
For sinking:
Where:
V
S
= Supply voltage
IS
MAX
= Maximum quiescent supply current
V
OUT
= Maximum output voltage of the application
R
LOAD
= Load resistance tied to ground
I
LOAD
= Load current
N = number of amplifiers (Max = 2)
By setting the two PD
MAX
equations equal to each other, we
can solve the output current and R
LOAD
to avoid the device
overheat.
Power Supply Bypassing Printed Circuit Board
Layout
As with any high frequency device, a good printed circuit
board layout is necessary for optimum performance. Lead
lengths should be as short as possible. The power supply
pin must be well bypassed to reduce the risk of oscillation.
For normal single supply operation, where the V
S
- pin is
connected to the ground plane, a single 4.7μF tantalum
capacitor in parallel with a 0.1μF ceramic capacitor from V
S
+
to GND will suffice. This same capacitor combination should
be placed at each supply pin to ground if split supplies are to
be used. In this case, the V
S
- pin becomes the negative
supply rail. See Figure 1 for a complete tuned power supply
bypass methodology.
Printed Circuit Board Layout
For good AC performance, parasitic capacitance should be
kept to minimum. Use of wire wound resistors should be
avoided because of their additional series inductance. Use
of sockets should also be avoided if possible. Sockets add
parasitic inductance and capacitance that can result in
compromised performance. Minimizing parasitic capacitance
at the amplifier's inverting input pin is very important. The
feedback resistor should be placed very close to the
inverting input pin. Strip line design techniques are
recommended for the signal traces.
PD
MAX
T
--------------------------------------------
T
JA
–
=
PD
MAX
V
S
I
SMAX
V
S
V
OUTi
–
(
)
i
1
=
n
∑
V
Li
-----------------
×
+
×
=
PD
MAX
V
S
I
SMAX
V
OUTi
V
S
–
(
)
i
1
=
n
∑
I
LOADi
×
+
×
=
EL5152, EL5153, EL5252, EL5455
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| EL5152IS-T13 | 功能描述:IC AMP VFA SGL 300MHZ 8-SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:10-MSOP 包裝:管件 |
| EL5152IS-T7 | 功能描述:運算放大器 - 運放 LO OFF 300MHZ RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| EL5152ISZ | 功能描述:IC OP AMP LO OFF 270MHZ 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:10-MSOP 包裝:管件 |
| EL5152ISZT13 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:300MHz Amplifiers |
| EL5152ISZ-T13 | 功能描述:IC AMP VFA SGL 300MHZ 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:10-MSOP 包裝:管件 |
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