The STMicroelectronics E-TDA7379 is a high-performance audio amplifier designed for automotive and consumer applications. It is particularly well-suited for driving speakers in car audio systems, providing high-quality sound reproduction with minimal distortion. Below is a detailed overview of the E-TDA7379, including its specifications and features.

## Overview

The E-TDA7379 is a dual bridge amplifier that can operate in various configurations, making it versatile for different audio applications. It is designed to deliver high output power while maintaining low noise and distortion levels. The amplifier is built using advanced semiconductor technology, ensuring reliability and efficiency.

## Key Features

1. Dual Bridge Configuration: The E-TDA7379 can drive two speakers in a bridge configuration, allowing for higher output power and improved sound quality.

2. High Output Power: The amplifier can deliver up to 2 x 20W of output power into a 4-ohm load, making it suitable for driving larger speakers.

3. Low Total Harmonic Distortion (THD): The E-TDA7379 features low THD, typically around 0.1%, ensuring clear and accurate sound reproduction.

4. Wide Supply Voltage Range: The device operates over a wide supply voltage range, typically from 8V to 18V, allowing it to be used in various automotive and consumer applications.

5. Integrated Protection Features: The amplifier includes built-in protection mechanisms such as thermal shutdown, short-circuit protection, and over-voltage protection, enhancing its reliability and longevity.

6. Low Quiescent Current: The E-TDA7379 is designed to consume minimal power when idle, making it energy-efficient and suitable for battery-operated devices.

7. Integrated Diagnostic Features: The amplifier provides diagnostic outputs for fault detection, allowing for easier troubleshooting and maintenance.

## Specifications

- Output Power:
- 2 x 20W @ 4Ω
- 2 x 10W @ 8Ω

- Supply Voltage:
- Operating Range: 8V to 18V
- Recommended Operating Voltage: 12V

- Total Harmonic Distortion (THD):
- Typically ≤ 0.1% at 1W, 1kHz

- Signal-to-Noise Ratio (SNR):
- Typically ≥ 90 dB

- Input Impedance:
- Typically 10kΩ

- Output Impedance:
- Typically 4Ω to 8Ω

- Thermal Shutdown:
- Integrated thermal protection with automatic recovery

- Short-Circuit Protection:
- Integrated short-circuit protection to prevent damage

- Package Type:
- Available in various packages, including PowerSO-20 and HTSSOP-20

## Applications

The E-TDA7379 is ideal for a variety of applications, including:

- Automotive audio systems
- Home audio amplifiers
- Portable speaker systems
- Multimedia devices
- Consumer electronics

## Conclusion

The STMicroelectronics E-TDA7379 is a robust and efficient audio amplifier that offers high output power, low distortion, and integrated protection features. Its versatility and reliability make it an excellent choice for automotive and consumer audio applications, ensuring high-quality sound reproduction in various environments. With its advanced specifications and features, the E-TDA7379 stands out as a leading solution in the audio amplifier market.