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TFA8944J Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TFA8944JPHI300Yes

TFA8944J** is a Class-D audio amplifier manufactured by **PHI (Powerhouse Integrated Circuits)**.

The TFA8944J is a Class-D audio amplifier manufactured by PHI (Powerhouse Integrated Circuits).

Specifications:

  • Output Power: 2 x 20W (4Ω, 10% THD+N)
  • Supply Voltage Range: 4.5V to 26V
  • Efficiency: Up to 90% (Class-D operation)
  • THD+N (Total Harmonic Distortion + Noise): <0.1% (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Package: HSOP24 (Heat-Sink Small Outline Package)
  • Protection Features: Over-temperature, short-circuit, and over-voltage protection

Descriptions:

The TFA8944J is a high-efficiency Class-D stereo amplifier designed for automotive and portable audio applications. It features low EMI emissions and integrates multiple protection mechanisms for reliable operation.

Features:

  • High Efficiency: Minimizes power dissipation.
  • Low Standby Current: Ideal for battery-powered applications.
  • Pop & Click Suppression: Reduces noise during power-on/off.
  • Flexible Input Configurations: Supports single-ended and differential inputs.
  • Thermal Protection: Prevents damage from overheating.

This amplifier is suitable for car audio systems, home audio, and other applications requiring compact, high-power amplification.

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