TDA7439

Audio Special Purpose Overview

The TDA7439 is a stereo audio tone processor integrated circuit manufactured by STMicroelectronics. Designed for automotive applications, it operates within a supply voltage range of 7V to 10.2V and supports an operating temperature from 0°C to 70°C. The device features two channels and utilizes an I2C interface for control. It is housed in a 30-SDIP package with a width of 10.16mm, intended for through-hole mounting. This component functions specifically as an audio tone processor, managing signal conditioning for stereo audio systems.

Audio Special Purpose Feature Summary

• Stereo audio tone processing with dual-channel capability
• I2C digital interface for configuration and control
• Automotive grade qualification for vehicle environments
• Operates on 7V to 10.2V supply voltage

Audio Special Purpose Applications

• Automotive audio systems
• Car stereo tone control circuits
• Vehicle infotainment signal processing

Audio Special Purpose Procurement Notes

Verify the specific ordering suffix against official STMicroelectronics documentation to confirm exact package variant and temperature rating. Ensure compatibility with 30-SDIP through-hole mounting requirements. Confirm that the I2C bus specifications match the system design constraints before procurement.

Audio Special Purpose Selection Notes

Select this component when a dedicated stereo tone processor with digital I2C control is required for automotive audio applications. Ensure the design accommodates the 7V–10.2V supply range and 0°C–70°C operating temperature limits. Verify that the 30-SDIP package dimensions fit the PCB layout constraints.

Audio Special Purpose Part Context

The TDA7439 belongs to STMicroelectronics' portfolio of specialized audio integrated circuits designed for the automotive sector. It serves as a dedicated solution for managing audio tone parameters in vehicle sound systems, providing a compact alternative to discrete tone control circuits.

Audio Special Purpose Replacement Considerations

Consult official STMicroelectronics substitution guides or equivalent product lists for verified alternatives. Do not assume pin-to-pin compatibility with other audio processors without verifying electrical and mechanical specifications against the original datasheet.