THS3096PWPR datasheet(24/34 Pages) TI

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DESIGN TOOLS

Evaluation

Fixtures,

Spice

Models,

and

3.5

2.5

1.5

0.5

−40

−20

100

TA − Free-Air Temperature − °C

Results are With No Air Flow and PCB Size = 3”x 3”

θJA = 45.8°C/W for 8-Pin SOIC w/PowerPad (DDA)

θJA = 58.4°C/W for 8-Pin MSOP w/PowerPad (DGN)

θJA = 95°C/W for 8-Pin SOIC High−K Test PCB (D)

θJA = 158°C/W for 8-Pin MSOP w/PowerPad w/o Solder

θJA = 58.4°C/W

θJA = 95°C/W

θJA = 158°C/W

ΤJ = 125°C

θJA = 45.8°C/W

THS3092

THS3096

SLOS428A – DECEMBER 2003 – REVISED FEBRUARY 2004

Application Support

Texas Instruments is committed to providing its

customers with the highest quality of applications

support. To support this goal an evaluation board has

been developed for the THS3092/6 operational ampli-

fier. The board is easy to use, allowing for straightfor-

ward evaluation of the device. The evaluation board

can be ordered through the Texas Instruments web

site,

www.ti.com,

through

your

local

Texas

Instruments sales representative.

Computer simulation of circuit performance using

SPICE is often useful when analyzing the perform-

ance of analog circuits and systems. This is particu-

larly true for video and RF-amplifier circuits where

parasitic capacitance and inductance can have a

major effect on circuit performance. A SPICE model

for the THS3092/6 is available through either the

Texas Instruments web site (www.ti.com) or as one

Figure 68. Maximum Power Distribution vs

model on a disk from the Texas Instruments Product

Ambient Temperature

Information Center (1–800–548–6132). The PIC is

also available for design assistance and detailed

When determining whether or not the device satisfies

product information at this number. These models do

the maximum power dissipation requirement, it is

a good job of predicting small-signal ac and transient

important to not only consider quiescent power

performance under a wide variety of operating con-

dissipation, but also dynamic power dissipation. Often

ditions. They are not intended to model the distortion

times, this is difficult to quantify because the signal

characteristics of the amplifier, nor do they attempt to

pattern is inconsistent, but an estimate of the RMS

distinguish between the package types in their

power dissipation can provide visibility into a possible

small-signal ac performance. Detailed information

problem.

about what is and is not modeled is contained in the

model file itself.

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