TDA7490AP

The TDA7490AP is a dual BTL class-D audio amplifier IC designed for high-quality sound reproduction in audio systems. It features high efficiency and is capable of delivering up to 25 watts per channel into a 4-ohm load.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VDD: Positive power supply
• STBY: Standby mode control
• IN1: Input 1
• IN2: Input 2
• VSS: Ground
• PVDD: Power supply for the output stage
• OUT1: Output 1
• OUT2: Output 2
• GND: Power ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TDA7490AP IC for a visual representation.

Key Features

• Dual BTL Configuration: Provides two channels in Bridge-Tied Load (BTL) configuration for high-efficiency audio amplification.
• Output Power: Capable of delivering up to 25 watts per channel into a 4-ohm load.
• Class-D Amplifier: Features Class-D technology for high efficiency and low heat dissipation.
• Wide Supply Voltage Range: Operates from a supply voltage range of 10V to 36V, suitable for various audio applications.
• Short-Circuit Protection: Includes protection circuitry against output short circuits and thermal shutdown.
• Compact Package: Available in a space-saving 20-pin PowerSSO package.

Note: For detailed technical specifications, please refer to the TDA7490AP datasheet.

Application

• Home Audio Systems: Ideal for use in home theater systems, powered speakers, and audio amplification applications.
• Portable Audio Devices: Suitable for battery-powered portable speakers and audio amplifiers.
• Automotive Audio Systems: Used in car audio amplification systems for improved sound quality.

Functionality

The TDA7490AP is a dual BTL class-D audio amplifier IC designed for efficient audio amplification. It provides high-quality sound reproduction with low power consumption, making it suitable for various audio applications.

Usage Guide

• Power Supply: Connect VDD (Pin 1) and PVDD (Pin 6) to the respective power supply voltages.
• Input Connections: Connect audio input signals to IN1 (Pin 3) and IN2 (Pin 4).
• Speaker Connections: Connect speakers to OUT1 (Pin 7) and OUT2 (Pin 8) for each channel.
• Standby Control: Use STBY (Pin 2) to control the standby mode of the amplifier.

Frequently Asked Questions

Q: What is the maximum output power of the TDA7490AP?
A: The TDA7490AP can deliver up to 25 watts per channel into a 4-ohm load.

Q: Is the TDA7490AP suitable for automotive applications?
A: Yes, the TDA7490AP is suitable for automotive audio systems, providing high-quality sound amplification.