TPA3123D2PWPR: The 300W Mono Class-D Audio Amplifier for Any Application

Introduction

The TPA3123D2PWPR is a powerful and efficient 300W mono class-D audio amplifier from Texas Instruments. It features an ultra-low quiescent current of just 25µA, making it ideal for battery-powered applications. The TPA3123D2PWPR also has a wide operating voltage range of 4.5V to 26V, making it suitable for a variety of applications.

Key Features

• 300W of output power into a 4Ω load
• Ultra-low quiescent current of just 25µA
• Wide operating voltage range of 4.5V to 26V
• High efficiency of up to 90%
• Differential input and single-ended output
• Thermal shutdown protection
• Short-circuit protection
• Over-current protection

Applications

The TPA3123D2PWPR is ideal for a wide range of audio applications, including:

• Portable speakers
• Soundbars
• Home theater systems
• Car audio systems
• Professional audio systems

Performance

The TPA3123D2PWPR delivers excellent audio performance with low distortion and high efficiency. It has a total harmonic distortion (THD) of just 0.01% at 1W into a 4Ω load, and a signal-to-noise ratio (SNR) of 100dB. The TPA3123D2PWPR also has a wide frequency response of 20Hz to 20kHz, making it suitable for reproducing a wide range of audio content.

Features and Benefits

The TPA3123D2PWPR offers a number of features and benefits that make it an ideal choice for audio applications. These features include:

• Ultra-low quiescent current: The TPA3123D2PWPR's ultra-low quiescent current of just 25µA makes it ideal for battery-powered applications. This means that the amplifier will not drain the battery when it is not in use.
• Wide operating voltage range: The TPA3123D2PWPR's wide operating voltage range of 4.5V to 26V makes it suitable for a variety of applications. This means that the amplifier can be used with a variety of power supplies, including batteries, AC adapters, and solar panels.
• High efficiency: The TPA3123D2PWPR's high efficiency of up to 90% means that it will not waste power. This makes the amplifier ideal for applications where power consumption is a concern.
• Differential input and single-ended output: The TPA3123D2PWPR's differential input and single-ended output make it easy to connect to a variety of audio sources. The differential input provides a high level of common-mode rejection, which helps to reduce noise and distortion. The single-ended output is compatible with a wide range of speakers.
• Protection features: The TPA3123D2PWPR includes a number of protection features to ensure that it operates safely and reliably. These features include thermal shutdown protection, short-circuit protection, and over-current protection.

Conclusion

The TPA3123D2PWPR is a powerful and efficient 300W mono class-D audio amplifier that is ideal for a wide range of applications. Its ultra-low quiescent current, wide operating voltage range, high efficiency, and differential input and single-ended output make it an excellent choice for portable speakers, soundbars, home theater systems, car audio systems, and professional audio systems.