TDA7409D

Audio Special Purpose Overview

The TDA7409D is a two-channel audio signal processor designed for automotive applications. Manufactured by STMicroelectronics, it operates within a supply voltage range of 7.5V to 10.5V and supports an ambient temperature range of -40°C to +85°C. The device features an I2C interface for digital control and is housed in a 20-SOIC package with a width of 7.50mm. It is classified as an automotive-grade component intended for integration into car radio systems.

Audio Special Purpose Feature Summary

• Two-channel audio signal processing capability
• I2C serial bus interface for digital control
• Automotive grade qualification
• Surface mount 20-SOIC packaging

Audio Special Purpose Applications

• Car radio signal processing
• Automotive audio systems

Audio Special Purpose Procurement Notes

Verify the specific revision level and RoHS compliance status directly with the manufacturer or authorized distributors before procurement. Confirm that the 20-SOIC package dimensions match the target PCB footprint requirements. Ensure the I2C address configuration aligns with the system design constraints.

Audio Special Purpose Selection Notes

Select this component when a dedicated two-channel audio processor with I2C control is required for automotive environments. Compare against similar models like the TDA7404D if a 28-pin package is preferred. Verify that the 7.5V to 10.5V supply range matches the vehicle's electrical architecture.

Audio Special Purpose Part Context

This part belongs to the family of STMicroelectronics audio signal processors. It shares functional similarities with other automotive audio ICs but is distinct in its 20-pin SOIC form factor and specific channel count. It serves as a specialized solution for tone and volume control in vehicle infotainment systems.

Audio Special Purpose Replacement Considerations

Check for direct pin-to-pin replacements such as the TDA7404D if package adaptation is possible. Verify compatibility with existing firmware or microcontroller code controlling the I2C interface before substituting.