The TB2125F is a single-chip filterless Class-D amplifier designed by Toshiba Semiconductor and Storage. This amplifier is designed to deliver high-quality audio output while minimizing external components and board space. It offers a cost-effective and efficient solution for audio amplification in various applications.

Applications:

• Portable Audio Players
• Bluetooth Speakers
• Mobile Phones
• Tablet Computers
• Gaming Consoles

Features:

• Filterless Class-D Architecture: Eliminates the need for external LC filters, reducing component count and cost.
• High Efficiency: Class-D operation provides excellent power efficiency, extending battery life in portable devices.
• Low THD+N: Delivers high-fidelity audio with minimal distortion and noise.
• Built-in Protection Circuits: Includes short-circuit, over-temperature, and under-voltage protection for robust operation.
• Adjustable Gain: Allows for flexible audio level control to suit different input sources and speaker sensitivities.
• Shutdown Mode: Minimizes power consumption when the amplifier is not in use.
• Surface Mount Package: Facilitates easy integration into compact electronic devices.

Benefits:

• Reduced System Cost: Filterless design lowers the overall bill of materials.
• Extended Battery Life: High efficiency maximizes operating time for portable devices.
• Improved Audio Quality: Low distortion and noise ensure clear and accurate sound reproduction.
• Enhanced Reliability: Built-in protection circuits safeguard against damage and ensure stable performance.
• Simplified Design: Integrated features streamline the design process and reduce development time.
• Compact Footprint: Small package size enables integration into space-constrained applications.

Additional Details:

The TB2125F operates on a single supply voltage and can deliver up to a specified power output into a given load impedance. The specific power output and supply voltage range are detailed in the product datasheet. It also has excellent PSRR (Power Supply Rejection Ratio), minimizing the impact of power supply noise on audio quality. The device is available in a compact surface-mount package suitable for automated assembly processes. The amplifier's gain can be adjusted using external resistors, allowing customization for different speaker sensitivities and input signal levels.