TDA7491HV

The TDA7491HV is a high-performance Class-D audio amplifier designed for driving loudspeakers in various applications, including home audio systems, televisions, and portable devices. It features a maximum output power of 2 × 25W at 4 ohms or 2 × 20W at 8 ohms, providing efficient amplification with low distortion.
Key features of the TDA7491HV include high energy efficiency, a built-in thermal shutdown protection mechanism, and a wide supply voltage range of 12V to 34V, making it versatile for different applications. The amplifier operates with a high signal-to-noise ratio, ensuring clear audio reproduction.
Integration with external components is simplified due to its compact design, making it suitable for space-constrained environments. The TDA7491HV also supports various audio input formats, ensuring compatibility with different audio sources.
Overall, the TDA7491HV is ideal for designers seeking an efficient, compact, and powerful audio amplification solution.

The TDA7491HV is a high-performance Class-D audio amplifier designed for various applications, including home audio and portable speaker systems. Key features include:
1. Power Output: Delivers up to 30W per channel into 4Ω with a high efficiency of around 90%, minimizing heat dissipation.
2. Supply Voltage: Operates on a wide supply voltage range from 12V to 36V, providing flexibility in design.
3. Integrated Protection: Includes built-in short-circuit, over-temperature, and over-voltage protection to enhance reliability.
4. Low Noise and Distortion: Features low total harmonic distortion (THD) and signal-to-noise ratio (SNR) for high-quality audio output.
5. I2C Interface: Allows for easy digital control and configuration, enabling advanced functionalities.
6. Thermal Management: Incorporates thermal shutdown to prevent damage under excessive heat conditions.
7. Compact Design: Suitable for space-constrained applications with a small footprint.
These features make the TDA7491HV a versatile choice for modern audio amplification needs.

The TDA7491HV is available in a HTQFP package type, specifically a 48-pin HTQFP (Thin Quad Flat Package). This package type is designed for surface mounting and is suitable for audio amplifier applications.

The TDA7491HV is a Class-D audio amplifier IC, typically used in applications like home audio systems and portable speakers. It comes in a 25-pin HTQFP package.
### Pin Count:
- 25 pins
### Key Functions:
1. Power Supply Pins: Pins for connecting the power supply (VCC, GND).
2. Input Pins: Pins for audio signal input (INL, INR).
3. Output Pins: Pins for connecting to the speaker outputs (OUTL, OUTR).
4. Control Pins: For functions like mute and standby modes (MUTE, STBY).
5. Feedback and Compensation: Pins for external feedback and compensation network.
6. Thermal Protection: Pins for thermal management and protection features.
The TDA7491HV offers features such as high efficiency, low distortion, and integrated protection mechanisms, making it suitable for high-quality audio amplification.

The TDA7491HV is manufactured by STMicroelectronics, a global semiconductor company based in Switzerland. STMicroelectronics designs and produces a wide range of semiconductor products, including integrated circuits, microcontrollers, sensors, and power management solutions. The company serves various markets, including automotive, industrial, personal electronics, and communication. STMicroelectronics is known for its focus on innovation and sustainability, providing advanced technologies that enhance efficiency and connectivity in electronic devices.

The TDA7491HV is a class-D audio amplifier used in various applications, including televisions, soundbars, portable speakers, home theater systems, and car audio systems. Its high efficiency and capability to drive high-power speakers make it suitable for consumer electronics and multimedia devices, providing enhanced audio performance in compact designs.

Equivalent products to the TDA7491HV chip include the TDA7492P, TPA3116D2, and PAM8403. These chips offer similar functionalities for class-D audio amplification, suitable for applications requiring compact and efficient power amplification. Always check specifications for voltage, power output, and features to ensure compatibility with your specific project requirements.