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TDA7499 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TDA7499ST250Yes

TDA7499 is a class-D audio amplifier manufactured by STMicroelectronics.

The TDA7499 is a class-D audio amplifier manufactured by STMicroelectronics. Below are the factual details from the Manufactor Datasheet:

Specifications:

  • Output Power:
  • 100W per channel (4Ω, THD = 10%)
  • 160W (BTL mode, 8Ω, THD = 10%)
  • Supply Voltage Range: 10V to 36V
  • Efficiency: Up to 90%
  • THD+N (Total Harmonic Distortion + Noise): < 0.1% (typical)
  • Signal-to-Noise Ratio (SNR): > 100dB
  • Operating Frequency: 300kHz to 500kHz (adjustable)
  • Standby Current: < 1mA
  • Mute Function: Yes
  • Thermal Protection: Yes
  • Short-Circuit Protection: Yes

Descriptions:

  • The TDA7499 is a dual BTL (Bridge-Tied Load) class-D amplifier designed for high-power audio applications.
  • It operates in a single-ended supply configuration, making it suitable for consumer audio systems, home theaters, and professional amplifiers.
  • The device includes built-in protection features such as thermal shutdown and short-circuit protection.

Features:

  • High Efficiency: Class-D operation reduces power dissipation.
  • Flexible Supply Voltage: Works across a wide input range (10V–36V).
  • Adjustable Switching Frequency: Allows optimization for EMI performance.
  • Standby and Mute Modes: Low-power consumption when inactive.
  • Minimal External Components: Simplifies PCB design.
  • Surface-Mount Package: HTSSOP32 (PowerSSO-36) for compact designs.

For exact application details, refer to the official STMicroelectronics datasheet.

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