THS4225EVM

Series:	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Channels per IC:	1 - Single
Moisture Sensitivity Level (MSL):	--
Amplifier Type:	Voltage Feedback
Output Type:	Single-Ended, Rail-to-Rail
Slew Rate:	990 V/µs
-3db Bandwidth:	230MHz
Current - Output / Channel:	100mA
Current - Supply (Main IC):	14mA
Voltage - Supply, Single/Dual (±):	2.7 V ~ 15 V, ±1.35 V ~ 7.5 V
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	THS4225

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Introduction
THS4225EVM is an evaluation module for Texas Instruments’ THS4225 op amp. This module is designed to give developers of audio systems the ability to test and evaluate the performance of the device before deciding whether to integrate it into their system. It is specially optimized for power audio applications, such as integrated power stage amplifiers and Class-D audio amplifiers. Features
The THS4225EVM offers a wide variety of features and benefits. It is designed to provide an accurate and detailed representation of the device’s performance. It offers features such as:
1. An integrated power supply and current sense circuit
2. A built-in power amplifier providing up to 125 watts of output power
3. A set of inputs and outputs for easy connection and control
4. An integrated heat sink with active cooling for optimal thermal performance
5. An adjustable input gain from -12 dB to +12 dB
6. A frequency response up to 100 kHz
7. An adjustable slew rate control
8. Protection against over-voltage and over-current conditions
Application Fields
The THS4225EVM is designed for use with power audio applications. It is particularly useful for Class-D audio amplifiers, as its integrated power section and current sense circuitry make it well-suited for use in these systems. It can also be used with home theater systems, providing superior sound quality and performance. Additionally, it can also be used in automotive audio amplifiers, allowing for greater control over frequency response, input gains, and signal fidelity.Working Principle
The THS4225EVM works by sensing current flow from the input signal, while simultaneously controlling the voltage of the output signal. The input signal is connected to a set of Plated Through Hole (PTH) pins, which are connected to resistor networks and op amps. These components are responsible for sensing and controlling the signal, and then sending it to the output amplifier. The output amplifier is responsible for amplifying the signal, with the power supply providing the necessary voltage and current for amplification. The integrated heat sink helps keep the module cool while operating, while the adjustable input gain, frequency response and slew rate controls all work together to provide accurate and reliable performance.Conclusion
The THS4225EVM is an excellent evaluation tool for audio systems. Its wide range of features and benefits make it easy to evaluate the performance of the device in a range of applications, while its integrated power, current sense, and heat sink circuits provide reliable, accurate, and efficient operation. Its adjustable input gain, frequency response, and slew rate controls allow for precise control over the audio signal, enabling developers to optimize audio performance for their specific needs.

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