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ISL28217FBZ-T7 View Datasheet(PDF) - Intersil

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ISL28217FBZ-T7 Datasheet PDF : 25 Pages
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ISL28117, ISL28217
where:
• PDMAXTOTAL is the sum of the maximum power
dissipation of each amplifier in the package (PDMAX)
• PDMAX for each amplifier can be calculated using
Equation 2:
PDMAX
=
VS × IqMAX + (VS
-
VOU
TM
A
X
)
×
V-----O----U----T----M-----A----X--
RL
(EQ. 2)
where:
• TMAX = Maximum ambient temperature
θJA = Thermal resistance of the package
• PDMAX = Maximum power dissipation of 1 amplifier
• VS = Total supply voltage
• IqMAX = Maximum quiescent supply current of
1 amplifier
• VOUTMAX = Maximum output voltage swing of the
application
ISL28117 and ISL28217 SPICE Model
Figure 52 shows the SPICE model schematic and
Figure 53 shows the net list for the ISL28117 and
ISL28217 SPICE model for a Grade “B” part. The model
is a simplified version of the actual device and simulates
important AC and DC parameters. AC parameters
incorporated into the model are: 1/f and flatband noise,
Slew Rate, CMRR, Gain and Phase. The DC parameters
are VOS, IOS, total supply current and output voltage
swing. The model uses typical parameters given in the
“Electrical Specifications” Table beginning on page 4.
The AVOL is adjusted for 155dB with the dominate pole
at 0.02Hz. The CMRR is set (210dB, fcm = 10Hz). The
input stage models the actual device to present an
accurate AC representation. The model is configured for
ambient temperature of +25°C.
Figures 54 through 64 show the characterization vs
simulation results for the Noise Voltage, Closed Loop
Gain vs Frequency, Closed Loop Gain vs RL, Large Signal
Step Response, Open Loop Gain Phase and Simulated
CMRR vs Frequency.
LICENSE STATEMENT
The information in this SPICE model is protected under
the United States copyright laws. Intersil Corporation
hereby grants users of this macro-model hereto referred
to as “Licensee”, a nonexclusive, nontransferable licence
to use this model as long as the Licensee abides by the
terms of this agreement. Before using this macro-model,
the Licensee should read this license. If the Licensee
does not accept these terms, permission to use the
model is not granted.
The Licensee may not sell, loan, rent, or license the
macro-model, in whole, in part, or in modified form, to
anyone outside the Licensee’s company. The Licensee
may modify the macro-model to suit his/her specific
applications, and the Licensee may make copies of this
macro-model for use within their company only.
This macro-model is provided “AS IS, WHERE IS, AND
WITH NO WARRANTY OF ANY KIND EITHER EXPRESSED
OR IMPLIED, INCLUDING BUY NOT LIMITED TO ANY
IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE.”
In no event will Intersil be liable for special, collateral,
incidental, or consequential damages in connection with
or arising out of the use of this macro-model. Intersil
reserves the right to make changes to the product and
the macro-model without prior notice.
17
April 13, 2010
FN6632.4
 

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