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ISL28190FRUZ-T7 bảng dữ liệu(PDF) 11 Page - Intersil Corporation

tên linh kiện ISL28190FRUZ-T7
Giải thích chi tiết về linh kiện  Rail-to-Rail Output, Op Amp
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nhà sản xuất  INTERSIL [Intersil Corporation]
Trang chủ  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL28190FRUZ-T7 bảng dữ liệu(HTML) 11 Page - Intersil Corporation

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11
FN6247.8
August 11, 2008
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.
For good AC performance, parasitic capacitance should be
kept to a minimum, especially at the inverting input. When
ground plane construction is used, it should be removed
from the area near the inverting input to minimize any stray
capacitance at that node. Carbon or Metal-Film resistors are
acceptable with the Metal-Film resistors giving slightly less
peaking and bandwidth because of additional series
inductance. Use of sockets, particularly for the SO package,
should be avoided if possible. Sockets add parasitic
inductance and capacitance, which will result in additional
peaking and overshoot.
Current Limiting
The ISL28190 and ISL28290 have no internal current-
limiting circuitry. If the output is shorted, it is possible to
exceed the Absolute Maximum Rating for output current or
power dissipation, potentially resulting in the destruction of
the device. This is why output short circuit current is
specified and tested with RL = 10Ω.
Power Dissipation
It is possible to exceed the +125°C maximum junction
temperatures under certain load and power-supply
conditions. It is therefore important to calculate the
maximum junction temperature (TJMAX) for all applications
to determine if power supply voltages, load conditions, or
package type need to be modified to remain in the safe
operating area. These parameters are related as follows:
where:
•PDMAXTOTAL is the sum of the maximum power
dissipation of each amplifier in the package (PDMAX)
•PDMAX for each amplifier can be calculated as follows:
where TMAX = Maximum ambient temperature
θ
JA = Thermal resistance of the package
•PDMAX = Maximum power dissipation of 1 amplifier
•VS = Supply voltage
•IMAX = Maximum supply current of 1 amplifier
•VOUTMAX = Maximum output voltage swing of the
application
•RL = Load resistance
T
JMAX
T
MAX
θ
JA xPDMAXTOTAL
()
+
=
(EQ. 1)
PD
MAX
2*V
S
I
SMAX
V
S
(
- V
OUTMAX )
V
OUTMAX
R
L
----------------------------
×
+
×
=
(EQ. 2)
ISL28190, ISL28290


Số phần tương tự - ISL28190FRUZ-T7

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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Intersil Corporation
ISL28190FRUZ-T7 INTERSIL-ISL28190FRUZ-T7 Datasheet
1Mb / 16P
   Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail Output, Op Amp
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Renesas Technology Corp
ISL28190FRUZ-T7 RENESAS-ISL28190FRUZ-T7 Datasheet
1Mb / 19P
   Single and Dual Single Supply Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail Output, Op Amp
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Mô tả tương tự - ISL28190FRUZ-T7

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