STMicroelectronics

TDA7385

TDA7385 Description

The TDA7385 is a Class AB audio amplifier IC designed and manufactured by STMicroelectronics. It is a quad-channel amplifier with a maximum output power of 37W per channel at 4 ohms load. The TDA7385 operates over a wide supply voltage range of 8V to 18V, making it suitable for various applications. It is packaged in a tube and is a through-hole mounted component. However, it is important to note that the TDA7385 is now considered obsolete.

TDA7385 Features

• Class AB Operation: The TDA7385 operates in Class AB mode, providing high efficiency and low distortion across the entire audio spectrum.
• High Power Output: With a maximum output power of 37W per channel at 4 ohms, the TDA7385 can drive a wide range of speakers and audio systems.
• Wide Supply Voltage Range: The TDA7385 can operate over a supply voltage range of 8V to 18V, providing flexibility in power supply selection.
• Quad-Channel Configuration: The TDA7385 features four independent channels, making it ideal for multi-channel audio applications.
• 25FlexiWatt: The TDA7385 utilizes STMicroelectronics' 25FlexiWatt technology, which allows for efficient power management and thermal protection.
• Low Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the TDA7385 is less susceptible to moisture-related damage, ensuring reliable performance in various environments.

TDA7385 Applications

The TDA7385 is ideal for a variety of audio applications, including:

1. Multi-Channel Audio Systems: Its quad-channel configuration makes it suitable for driving multiple speakers in home theater systems, car audio systems, and professional audio setups.
2. Portable Audio Devices: The TDA7385's compact size and low power consumption make it suitable for portable audio devices such as headphones and Bluetooth speakers.
3. Industrial Audio Equipment: The TDA7385 can be used in industrial audio equipment, such as public address systems and intercoms, where high power output and reliability are essential.
4. Audio Test and Measurement Equipment: The TDA7385's performance characteristics make it suitable for use in audio test and measurement equipment, where accurate and reliable amplification is critical.

Conclusion of TDA7385

While the TDA7385 is an obsolete product, it was a powerful and versatile audio amplifier IC during its time. Its Class AB operation, high power output, and quad-channel configuration made it suitable for a wide range of audio applications. Although it may no longer be in production, the TDA7385 remains a testament to STMicroelectronics' expertise in designing high-performance audio amplifiers.