Datasheet

OPA2690

SBOS238G –JUNE 2002–REVISED MARCH 2010

www.ti.com

DESIGN-IN TOOLS

DEMONSTRATION FIXTURES MACROMODELS

Two printed circuit boards (PCBs) are available to Computer simulation of circuit performance using

assist in the initial evaluation of circuit performance SPICE is often useful when analyzing the

using the OPA2690 in its two package options. Both performance of analog circuits and systems. This is

of these are offered free of charge as unpopulated particularly true for video and RF amplifier circuits

PCBs, delivered with a user’s guide. The summary where parasitic capacitance and inductance can have

information for these fixtures is shown in Table 1. a major effect on circuit performance. A SPICE model

for the OPA2690 (use two OPA690 SPICE models) is

Table 1. Demonstration Fixtures by Package available through the OPA2690 product folder under

Simulation Models. These models do a good job of

ORDERING LITERATURE

predicting small-signal ac and transient performance

PRODUCT PACKAGE NUMBER NUMBER

under a wide variety of operating conditions. They do

OPA2690ID SO-8 DEM-OPA-SO-2A SBOU003

not do as well in predicting the harmonic distortion or

OPA2690I-

dG/dP characteristics. These models do not attempt

SO-14 DEM-OPA-SO-2D SBOU002

14D

to distinguish between the package types in their

small-signal ac performance.

The demonstration fixtures can be requested at the

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

OPA2690 product folder.

Product Folder Link(s): OPA2690