Chapter 1

The Texas Instruments THS4503 evaluation module (EVM) helps designers evaluate the performance of the THS4503 fully differential operational amplifier (FDA). Also, this EVM is a good example of high-speed PCB design.

This document details the THS4503EVM. It includes a list of EVM features, a brief description of the module illustrated with a series of schematic diagrams, EVM specifications, details on connecting and using the EVM, and a discussion of high-speed amplifier design considerations.

This EVM enables the user to implement various circuits to clarify the available configurations presented by the schematic of the EVM. The user is not limited to the circuit configurations presented here. The EVM provides enough hardware hooks that the only limitation should be the creativity of the user.

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1.1

Description

. . 1-2

1.2

Evaluation Module Features

. . 1-2

1.3

THS4503EVM Operating Conditions

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1.4

EVM Default Configuration

. . 1-3

 

 

 

Introduction and Description

1-1

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Texas Instruments THS4503EVM manual Chapter

THS4503EVM specifications

The Texas Instruments THS4503EVM is a high-performance evaluation module designed to showcase the capabilities of the THS4503, a high-speed voltage feedback amplifier. This EVM is ideal for engineers and designers looking to evaluate the performance characteristics of this amplifier in real-world applications, including video signal processing, data acquisition systems, and RF applications.

One of the main features of the THS4503EVM is its exceptional bandwidth performance. The THS4503 amplifier boasts a wide bandwidth that extends up to 1 GHz, making it suitable for applications where high frequency signals need to be processed with minimal distortion. The high slew rate of 3000 V/µs allows for rapid signal changes, ensuring that fast transients are accurately captured without significant overshoot or ringing.

The design of the THS4503EVM also incorporates a low noise characteristic, making it an excellent choice for sensitive applications where signal integrity is paramount. The EVM's Input Voltage Noise Density is remarkably low, contributing to cleaner signal amplification and making it a valuable tool for testing low-level signals.

Another significant characteristic of the THS4503EVM is its flexibility in configuration. The evaluation module is equipped with connectors that allow users to quickly set up various input and output configurations. This provides engineers with the ability to easily test a wide range of operating conditions, including voltage gain settings, power supply configurations, and load conditions, all ideal for diverse application scenarios.

Furthermore, the THS4503EVM supports both single and dual power supply options, accommodating various system designs. It can operate on a supply voltage range from ±2.5 V to ±5 V, allowing users to tailor the functionality of the amplifier to their specific power requirements.

In terms of technology, the THS4503 integrates precision feedback circuitry and advanced manufacturing techniques, ensuring minimal drift and excellent linearity. The module is designed for simplicity and user-friendliness, with comprehensive documentation and application information available from Texas Instruments, aiding users in achieving optimal performance.

In summary, the Texas Instruments THS4503EVM is a powerful evaluation tool for the THS4503 amplifier, featuring high bandwidth, low noise, flexible configuration options, and robust support for various supply voltages. Its capabilities make it an invaluable resource for engineers working across a wide range of high-speed signal applications.