TDA7318

Audio Special Purpose Overview

The TDA7318 is a two-channel audio tone processor manufactured by STMicroelectronics, designed for automotive applications. It operates on a supply voltage range of 6V to 10V and supports an operating temperature from -40°C to 85°C (TA). The device features an I2C interface for digital control and utilizes a 28-DIP package with through-hole mounting. Key specifications include a 1.25dB resolution for tone adjustments. This component is classified as an automotive-grade integrated circuit intended for specialized audio processing tasks.

Audio Special Purpose Feature Summary

• Two-channel audio tone processing capability
• I2C serial bus interface for digital control
• Automotive grade qualification (-40°C to 85°C)
• 28-DIP through-hole package

Audio Special Purpose Applications

• Automotive audio systems
• Car radio tone control circuits
• Specialized audio processing equipment

Audio Special Purpose Procurement Notes

The TDA7318 is listed as obsolete or discontinued in public distributor records. Verification of current availability requires checking specific authorized channels. Sourcing should focus on legacy stock or verified replacement components due to the end-of-life status indicated in supplier databases.

Audio Special Purpose Selection Notes

Select this component when a two-channel analog tone processor with digital I2C control is required for automotive environments. Ensure the design accommodates the 6V-10V supply range and 28-DIP footprint. Verify that the application does not require more than two channels or different package constraints.

Audio Special Purpose Part Context

The TDA7318 belongs to STMicroelectronics' portfolio of audio special purpose integrated circuits. It serves as a dedicated solution for managing audio tone parameters in vehicle infotainment systems. The part is distinct from power amplifiers, focusing solely on signal conditioning and tone adjustment via digital interfaces.

Audio Special Purpose Replacement Considerations

Public sources indicate the TDA7318 is obsolete. Potential replacements may include other STMicroelectronics audio tone processors or compatible third-party equivalents. Verify pin compatibility and electrical specifications before substitution.