OPA690IDBVT datasheet(18/37 Pages) TI1

18 / 37 page

OPA690

SBOS223F – DECEMBER 2001 – REVISED FEBRUARY 2010

www.ti.com

DESIGN-IN TOOLS

DEMONSTRATION FIXTURES

MACROMODELS AND APPLICATIONS

SUPPORT

Two printed circuit boards (PCBs) are available to

assist in the initial evaluation of circuit performance

Computer simulation of circuit performance using

using the OPA690 in its two package options. Both of

SPICE

often

useful

when

analyzing

the

these are offered free of charge as unpopulated

performance of analog circuits and systems. This is

PCBs, delivered with a user’s guide. The summary

particularly true for video and RF amplifier circuits

information for these fixtures is shown in Table 1.

where parasitic capacitance and inductance can have

a major effect on circuit performance. A SPICE model

Table 1. Demonstration Fixtures by Package

for the OPA690 is available through the OPA690

product

folder under Simulation

Models.

These

ORDERING

LITERATURE

models do a good job of predicting small-signal ac

PRODUCT

PACKAGE

NUMBER

and transient performance under a wide variety of

OPA690ID

SO-8

DEM-OPA-SO-1A

SBOU009

operating conditions. They do not do as well in

OPA690IDBV

SOT23-6

DEM-OPA-SOT-1A

SBOU010

predicting

the

harmonic

distortion

dG/dP

characteristics. These models do not attempt to

The demonstration fixtures can be requested at the

distinguish between the package types in their

Texas Instruments web site (www.ti.com) through the

small-signal ac performance.

OPA690 product folder.

Product Folder Link(s): OPA690

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