THS4524EVM

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THS4524EVM evaluation board system is a fully featured Texas Instruments high-speed, low-noise, high unity gain stability (UGS), and low distortion audio power amplifier module designed to provide a wide range of applications. The five-channel IC is a single-ended, audio power amplifier for stereo and surround sound that offers a high efficiency, making it suitable for use in portable audio apps such as smart phones and tablets. The high performance and low-noise are maintained using a Class AB output stage rather than the popular Class D stages.

Application Areas

The THS4524EVM evaluation board can be used in a variety of applications, including portable audio products, professional audio applications like sound reinforcement, automotive sound systems, and home theater systems. The board is also well-suited for high-end audio amplifiers, supporting multi-channel audio power amplifiers, multi-output configurations, and integrated audio/video receivers. In addition, the board is suitable for voice search applications and artificial intelligence.

Features and Benefits

The THS4524EVM evaluation board features a wide range of features and benefits, making it an ideal choice for power amplifier applications. These features include low distortion and noise, high fidelity, high efficiency, and low power consumption.

• Low distortion and noise: The board includes a low distortion level of less than 0.001%, making it suitable for high fidelity audio applications.
• High fidelity: The board supports a maximum THD+N of -66 dB at 1.3W and a maximum THD of -90 dB at 10.5W. It also offers 24-bit resolution for digital audio inputs.
• High efficiency: The board can support multiple output configurations with a high efficiency of up to 91%.
• Low power consumption: The board\'s low current consumption allows it to be used in applications that require low power consumption.

Working Principles

The THS4524EVM evaluation board system is based on the THS4524 power amplifier, which is designed to provide a high fidelity, low-noise, high UGS, and low distortion audio power amplifier. The five-channel IC is a single-ended, audio power amplifier for stereo and surround sound that offers a high efficiency, making it suitable for use in portable audio applications such as smart phones and tablets.

The THS4524 is configured in a non-inverting amplifier configuration, meaning that the input signal is amplified without any inversion of its polarity. The non-inverting amplifier configuration is advantageous because it produces a greater gain than its inverting counterpart. Additionally, the amplifier provides a high slew rate, fast settling time, and wide bandwidth, making it capable of delivering excellent performance in a wide range of audio applications.

The THS4524EVM evaluation board also includes a feedback-protected input and output circuitry. The board provides positive and negative supply voltage levels to meet the signal and ground requirements of the amplifier circuit. This allows the amplifier output to remain stable and reliable even in challenging scenarios such as thermal derating and ESD voltage spikes.

Conclusion

The THS4524EVM evaluation board system is a fully featured Texas Instruments high-speed, low-noise, high unity gain stability (UGS), and low distortion audio power amplifier module. It features a wide range of features and benefits, making it an ideal choice for power amplifier applications in a variety of different application areas. Additionally, the non-inverting amplifier configuration and feedback-protected input and output circuitry make it capable of delivering outstanding performance in many audio applications.

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