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TPA301DR Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TPA301DRTI15945Yes

TPA301DR** is a Class-D audio power amplifier manufactured by **Texas Instruments (TI)**.

The TPA301DR is a Class-D audio power amplifier manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features:

Specifications:

  • Manufacturer: Texas Instruments (TI)
  • Type: Class-D Mono Audio Amplifier
  • Output Power: Up to 1.1W into 8Ω at 5V
  • Supply Voltage Range: 2.5V to 5.5V
  • Efficiency: Up to 90% (typical)
  • THD+N (Total Harmonic Distortion + Noise): 0.1% (typical at 1kHz, 1W into 8Ω)
  • Shutdown Current: 0.01µA (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Package: 8-Pin SOIC (DR)

Descriptions:

The TPA301DR is a mono, filterless, Class-D audio amplifier designed for portable applications. It delivers high efficiency with minimal external components, making it suitable for battery-powered devices such as smartphones, tablets, and portable media players. The amplifier operates without requiring an output filter, simplifying design and reducing cost.

Features:

  • Filterless Class-D Operation (No external LC filter required)
  • Low Quiescent Current: 2.5mA (typical)
  • Improved RF Rectification Immunity (Reduces interference in wireless applications)
  • Click-and-Pop Suppression (Minimizes noise during power-up/down)
  • Thermal and Short-Circuit Protection
  • Small Footprint (8-pin SOIC package)
  • Wide Supply Voltage Range (2.5V to 5.5V)

This amplifier is optimized for space-constrained, battery-powered audio applications where efficiency and minimal external components are critical.

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