TPA3137D2PWP

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The TPA3137D2PWP is a high-efficiency Class D audio amplifier that operates up to 1.2 Watts and is designed for a wide variety of applications and markets such as home audio, professional audio, automotive, and portable audio systems.

The TPA3137D2PWP is an excellent audio power amplifier with low power consumption, low noise and distortion, high output and high overload capability. Its wide supply voltage range supports applications that require high headroom while simultaneously providing low power operation to conserve energy and battery life.

The TPA3137D2PWP delivers up to 1.2 W of continuous average power into a 4 Ω load with 0.1 % THD+N from a 5 V supply, or it can deliver up to 1.9 W of continuous average power into a 4 Ω load with 0.1 % THD+N from a 3.3 V supply. With a high power-to-space ratio, the TPA3137D2PWP is an ideal solution for portable applications that require a compact and efficient design.

The TPA3137D2PWP has a high performance voltage feedback output stage that is optimized for low distortion and high fidelity reproduction. It also features an integrated click-and-pop suppression scheme to eliminate audible transients during turnon and turnoff. Additionally, the TPA3137D2PWP has a wide gain range of 0- to 6-dB, allowing for optimized performance under different operating conditions. In addition to its high performance and flexibility, the TPA3137D2PWP has a thermally enhanced package with exposed thermal pads to maximize heat dissipation.

At the heart of the TPA3137D2PWP amplifier is a highly efficient output stage with a bridge architecture design. This architecture is typically used for audio power applications to produce high power with low distortion. The output stage operates in a class-D mode, meaning the circuit switches between full rail swings with zero conduction times and no deadband regions. This class-D architecture helps to reduce power dissipation while still providing high power output, resulting in excellent THD+N and efficiency.

The TPA3137D2PWP converter is designed to operate in low-impedance loads and features a high-efficiency current sensing technique. This technique enables the amplifier to automatically adjust its operating current to match the load impedance. This helps to reduce THD+N and also saves power by ensuring that the amplifier is operating close to its highest efficiency point.

The TPA3137D2PWP has a three-channel stereo architecture and is designed to easily accommodate different configurations. It is capable of operation in both mono or stereo mode, and the gain controls for each channel allow for fine tuning the system for optimal signal reproduction.

The amplifier section is paired with an integrated signal-path control circuit for input and output level adjustments. This signal-path control circuit provides integrated step-size adjustment to optimize the amplifier performance in different operating conditions. It also has an integrated limiter circuit with adjustable attack time and release time settings.

The TPA3137D2PWP is an excellent choice for audio applications that require low power consumption with high power output, low distortion, and high quality performance. The amplifier features a bridge architecture, high-efficiency current sensing, wide gain range, integrated signal-path control circuit, and an efficient thermal design to maximize heat dissipation. Furthermore, it supports both mono and stereo configurations and is a great choice for applications such as home audio, professional audio, automotive, and portable audio systems.

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