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Introduction
3
SBOU193 – July 2017
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Copyright © 2017, Texas Instruments Incorporated
DUAL-DIYAMP-EVM
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FilterPro is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
1
Introduction
The DUAL-DIYAMP-EVM is an EVM developed for dual package op amps to give users the ability to
easily evaluate amplifier circuits. This “break apart” EVM has several popular op-amp configurations
including amplifiers, filters, stability compensation, and other signal conditioning circuits that require two
amplifiers. The EVM is designed for 0805 and 0603 package size surface mount components enabling
easy prototyping. This board gives the user the ability to build anything from a simple amplifier to complex
signal chains by combining different configurations.
1.1
DUAL-DIYAMP-EVM Kit Contents
Table 1
details the contents included in the DUAL-DIYAMP-EVM kit.
Table 1. DUAL-DIYAMP-EVM Kit Contents
Item
Description
Quantity
DUAL-DIYAMP-EVM
PCB
1
Header Strip
100-mil (2.54 mm) spacing, 32 position, through hole
2
1.2
Features
The EVM has the following features:
•
Multiple circuit configurations
•
Breadboard compatible
•
Schematic provided in silk screen on the PCB
•
Multiple connector options for the input and output connections: SMA, test point, and wires.
1.3
List of Circuits on EVM
The EVM has the following circuits:
•
Non-inverting amplifier
•
Inverting amplifier
•
Difference amplifier with reference buffer
•
Multiple feedback active filter
•
Sallen-Key filter
•
Riso with dual feedback
•
Two op amp instrumentation amplifier
•
Single-ended input to differential output
•
Parallel op amps
•
Differential input to differential output
2
Hardware Setup
Assembly of the DUAL-DIYAMP-EVM involves identifying and breaking out the desired circuit
configuration from the EVM, soldering the components, header strip, and input and output connections.
This section presents the details of these procedures.
