Datasheet

THS4281
www.ti.com
SLOS432A APRIL 2004REVISED NOVEMBER 2009
DESIGN TOOLS Computer simulation of circuit performance using
SPICE is often useful when analyzing the
Evaluation Fixtures and Application Support performance of analog circuits and systems. This is
Information
particularly true for video and RF amplifier circuits
where parasitic capacitance and inductance can have
Texas Instruments is committed to providing its
a major effect on circuit performance. A SPICE model
customers with the highest quality of applications
for the THS4281 device is available through either
support. To support this goal, an evaluation board
the Texas Instruments web site or as one model on a
has been developed for the THS4281 operational
disk from the Texas Instruments Product Information
amplifier. The evaluation board is available and easy
Center (1-800-548-6132). The PIC is also available
to use allowing for straight-forward evaluation of the
for design assistance and detailed product
device. These evaluation board can be obtained by
information at this number. These models do a good
ordering through the Texas Instruments web site, or
job of predicting small-signal ac and transient
through your local Texas Instruments Sales
performance under a wide variety of operating
Representative. A schematic for the evaluation board
conditions. They are not intended to model the
is shown in Figure 77 with their default component
distortion characteristics of the amplifier, nor do they
values. Unpopulated footprints are shown to provide
attempt to distinguish between the package types in
insight into design flexibility.
their small-signal ac performance. Detailed
space information about what is and is not modeled is
contained in the model file itself.
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