STMicroelectronics

TDA7440D

TDA7440D Description

The TDA7440D is an audio tone processor integrated circuit (IC) designed and manufactured by STMicroelectronics. It is an Audio Special Purpose IC that offers a range of features and specifications tailored for consumer audio applications. Despite being classified as obsolete, the TDA7440D remains a reliable choice for specific audio processing tasks. This IC is designed to operate within a wide temperature range of 0°C to 70°C (TA), ensuring stable performance in various environments.

TDA7440D Features

• Function: The TDA7440D serves as an audio tone processor, capable of enhancing the audio quality by adjusting the tone settings.
• Number of Channels: It features two channels, making it suitable for stereo audio applications.
• Voltage - Supply: The IC can operate with a supply voltage ranging from 6V to 10.2V, providing flexibility in power supply requirements.
• Interface: The TDA7440D utilizes an I2C interface for communication, enabling easy integration with other components in a system.
• Mounting Type: It is designed for surface mount technology, which is ideal for space-constrained applications and modern electronic devices.
• Package: The IC comes in a tube package, which is convenient for handling and storage.
• RoHS Status: The TDA7440D is compliant with ROHS3 standards, indicating its adherence to environmental regulations.
• REACH Status: It is classified as REACH Unaffected, meaning it does not contain any substances of very high concern regulated by the European Chemicals Agency.
• Moisture Sensitivity Level (MSL): The TDA7440D has an MSL of 3, which corresponds to 168 hours. This indicates the time the device can be exposed to a certain level of humidity before it needs to be baked to prevent moisture-related damage.

TDA7440D Applications

The TDA7440D is particularly well-suited for consumer audio applications where tone adjustment is necessary. Some specific use cases include:

• Audio Amplifiers: The IC can be used in audio amplifiers to adjust the tone settings, providing a customized listening experience.
• Home Theater Systems: In home theater systems, the TDA7440D can help enhance the audio quality by adjusting the tone to match the user's preferences.
• Portable Audio Devices: For portable audio devices like MP3 players and smartphones, the TDA7440D can be used to improve the audio output, making it more enjoyable for the listener.

Conclusion of TDA7440D

While the TDA7440D is now considered obsolete, it still offers a range of features that make it a viable option for certain audio applications. Its ability to process two channels, adjust tone settings, and operate within a wide voltage range make it suitable for consumer audio devices. The TDA7440D's I2C interface and surface mount design also facilitate easy integration into modern electronic systems. Despite its age, the TDA7440D remains a reliable choice for audio processing tasks in consumer electronics.