Datasheet

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 is 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 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 or 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.
18 Copyright © 2001–2010, Texas Instruments Incorporated
Product Folder Link(s): OPA690