STMicroelectronics

TEA6422

TEA6422 Description

The TEA6422 is a dual 6:3 multiplexer/demultiplexer audio switch designed high for-performance audio applications. Manufactured by STMicroelectronics, this integrated circuit (IC) is housed in a 24-pin DIP package, making it suitable for through-hole mounting. The TEA6422 operates within a temperature range of 0°C to 70°C (TA) and is powered by a single supply voltage between 8V and 11V. This IC features two channels, each capable of handling audio signals efficiently.

The TEA6422 is classified under the category of Analog Switches - Special Purpose ICs. It is designed to meet stringent industry standards, including REACH and RoHS3 compliance, ensuring environmental safety and regulatory adherence. The product is identified by the base product number TEA6422 and is categorized under HTSUS code 8542.39.0001. Despite its obsolescence status, the TEA6422 remains a reliable choice for specific legacy systems and applications where its unique features are still highly valued.

TEA6422 Features

The TEA6422 boasts several key features that set it apart from other audio switch ICs:

• Dual 6:3 Multiplexer/Demultiplexer Circuit: This configuration allows for efficient routing of audio signals, providing flexibility in signal management.
• I2C Interface: The inclusion of an I2C interface simplifies control and communication with other system components, enhancing overall system integration.
• Wide Operating Voltage Range: The TEA6422 operates within an 8V to 11V supply voltage range, making it suitable for a variety of power supply configurations.
• Through Hole Mounting: The through-hole package type ensures robust mechanical stability and ease of integration into existing circuit boards.
• Moisture Sensitivity Level (MSL) 3: This rating ensures the IC can withstand up to 168 hours of exposure to moisture, enhancing its reliability in various environmental conditions.

TEA6422 Applications

The TEA6422 is primarily designed for audio applications, making it ideal for use in:

• Audio Signal Routing: Efficiently managing multiple audio signals in complex systems, such as multi-channel audio mixers and routing matrices.
• Audio Equipment: Enhancing the performance of audio equipment by providing reliable signal switching and routing capabilities.
• Legacy Systems: Maintaining functionality in older systems where the TEA6422's unique features are still required.

Conclusion of TEA6422

The TEA6422, despite being marked as obsolete, continues to offer significant value in specific applications. Its dual 6:3 multiplexer/demultiplexer circuit, I2C interface, and wide operating voltage range make it a versatile choice for audio signal management. The through-hole mounting and moisture sensitivity level 3 rating further enhance its reliability and durability. While newer alternatives may exist, the TEA6422 remains a reliable option for legacy systems and applications where its unique features are still highly valued.