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參數資料
| 型號： | HA5013IB |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Hook-Up Wire; Conductor Size AWG:30; No. Strands x Strand Size:Solid; Jacket Color:Purple; Approval Bodies:UL, CSA; Approval Categories:UL AWM Style 1061; CSA AWM; Conductor Material:Copper; Jacket Material:Polyvinylchloride (PVC) RoHS Compliant: Yes |
| 中文描述： | VIDEO AMPLIFIER, PDSO14 |
| 封裝： | SOIC-14 |
| 文件頁數： | 7/14頁 |
| 文件大小： | 175K |
| 代理商： | HA5013IB |
7
Application Information
Optimum Feedback Resistor
The plots of inverting and non-inverting frequency response,
see Figure 8 and Figure 9 in the typical performance section,
illustrate the performance of the HA5013 in various closed loop
gain configurations. Although the bandwidth dependency on
closed loop gain isn’t as severe as that of a voltage feedback
amplifier,therecan beanappreciabledecreaseinbandwidthat
higher gains. This decrease may be minimized by taking
advantage of the current feedback amplifier’s unique
relationship between bandwidth and R
F
. All current feedback
amplifiers require a feedback resistor, even for unity gain
applications, and R
F
, in conjunction with the internal
compensation capacitor, sets the dominant pole of the
frequency response. Thus, the amplifier’s bandwidth is
inversely proportional to R
F
. The HA5013 design is optimized
for a 1000
R
F
at a gain of +1. Decreasing R
F
in a unity gain
application decreases stability, resulting in excessive peaking
and overshoot. At higher gains the amplifier is more stable, so
R
F
can be decreased in a trade-off of stability for bandwidth.
The table below lists recommended R
F
values for various
gains, and the expected bandwidth.
PC Board Layout
The frequency response of this amplifier depends greatly on
the amount of care taken in designing the PC board. The
use of low inductance components such as chip resistors
and chip capacitors is strongly recommended. If leaded
components are used the leads must be kept short
especially for the power supply decoupling components and
those components connected to the inverting input.
Attention must be given to decoupling the power supplies. A
large value (10
μ
F) tantalum or electrolytic capacitor in
parallel with a small value (0.1
μ
F) chip capacitor works well
in most cases.
A ground plane is strongly recommended to control noise.
Care must also be taken to minimize the capacitance to
ground seen by the amplifier’s inverting input (-IN). The
larger this capacitance, the worse the gain peaking, resulting
in pulse overshoot and possible instability. It is
recommended that the ground plane be removed under
traces connected to -IN, and that connections to -IN be kept
as short as possible to minimize the capacitance from this
node to ground.
Driving Capacitive Loads
Capacitive loads will degrade the amplifier’s phase margin
resulting in frequency response peaking and possible
oscillations. In most cases the oscillation can be avoided by
placing an isolation resistor (R) in series with the output as
shown in Figure 6.
The selection criteria for the isolation resistor is highly
dependent on the load, but 27
has been determined to be
a good starting value.
Power Dissipation Considerations
Due to the high supply current inherent in triple amplifiers,
care must be taken to insure that the maximum junction
temperature (T
J
, see Absolute Maximum Ratings) is not
exceeded. Figure 7 shows the maximum ambient
temperature versus supply voltage for the available package
styles (PDIP, SOIC). At V
S
=
±
5V quiescent operation both
package styles may be operated over the full industrial range
of -40
o
C to 85
o
C. It is recommended that thermal
calculations, which take into account output power, be
performed by the designer.
GAIN
(A
CL
)
R
F
(
)
BANDWIDTH
(MHz)
-1
750
100
+1
1000
125
+2
68f1
95
+5
1000
52
+10
383
65
-10
750
22
V
IN
V
OUT
C
L
R
T
+
-
R
I
R
F
R
FIGURE 6. PLACEMENT OF THE OUTPUT ISOLATION
RESISTOR, R
100
5
7
9
11
13
15
130
120
110
100
90
80
70
60
50
40
30
20
10
SUPPLY VOLTAGE (
±
V)
PDIP
SOIC
M
o
C
FIGURE 7. MAXIMUM OPERATING AMBIENT TEMPERATURE
vs SUPPLY VOLTAGE
HA5013
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相關代理商/技術參數 |
參數描述 |
|---|---|
| HA5013IP | 制造商:Rochester Electronics LLC 功能描述:OPAMP VIDEO 3X 125MHZ CFB 14PDIP IND - Bulk 制造商:Intersil Corporation 功能描述:OP AMP TRIPLE 125MHZ, 5013, DIP14 |
| HA50151V4-000U-999 | 制造商:SUNON 功能描述:FAN;DC;SUPER SILENCE FANS;12V;5.3CFM;0.065A;0.8W;4500RPM;VAPOBEARING;50x50x15mm 制造商:SUNON 功能描述:FAN 12VDC 50X15MM 7.7CFM 制造商:SUNON 功能描述:HA50151V4-0000-999 |
| HA50151V4-000U-C99 | 制造商:SUNON 功能描述:HA Series 50 x 50 x 15 mm 12 VDC 3200 RPM 7.7 CFM Vapo Bearing Axial Fan |
| HA50151V4-1000U-A99 | 功能描述:50X15MM 12VDC VAPO 7.7CFM 制造商:sunon fans 系列:MagLev? HA 零件狀態:在售 電壓 - 額定:12VDC 大小/尺寸:方形 - 50mm 長 x 50mm 高 寬度:15.00mm 氣流:7.7 CFM（0.216m3/min） 靜壓力:0.070 英寸水柱（17.4 Pa） 軸承類型:Vapo-Bearing? 風扇類型:管軸式 特性:帶有自動重啟功能 噪聲:15.4 dB（A） 功率（W）:300mW RPM:3200 RPM 端接:2 引線 侵入防護:- 工作溫度:14 ~ 158°F （-10 ~ 70°C） 認可:cURus，TUV 重量:0.073 磅（33.11g） 額定電流:0.025A 電壓范圍:4.5 ~ 13.8VDC 材料 - 框架:聚對苯二甲酸丁二酯（PBT） 材料 - 刀片:聚對苯二甲酸丁二酯（PBT） 不同溫度時的使用壽命:40°C 時為 70000 小時 標準包裝:200 |
| HA502 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
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