TDA7438

Audio Special Purpose Overview

The TDA7438 is a stereo audio tone processor integrated circuit manufactured by STMicroelectronics. Designed for automotive applications, it operates within a supply voltage range of 6V to 10.2V and supports an operating temperature from 0°C to 70°C. The device features I2C interface control and provides two channels of audio processing. It is housed in a 28-DIP package with a width of 0.600 inches (15.24mm), utilizing through-hole mounting. This component serves as a specialized solution for managing audio tone adjustments in vehicle sound systems.

Audio Special Purpose Feature Summary

• Stereo audio tone processing with I2C digital control interface
• Automotive grade qualification for reliable operation in vehicles
• Wide supply voltage compatibility ranging from 6V to 10.2V
• 28-pin DIP package suitable for through-hole mounting

Audio Special Purpose Applications

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

Audio Special Purpose Procurement Notes

Verify the specific ordering suffix against official STMicroelectronics documentation to confirm exact packaging and variant details. Ensure the procurement channel sources genuine components to maintain automotive grade reliability standards. Check that the 28-DIP package dimensions match the target PCB footprint requirements before finalizing orders.

Audio Special Purpose Selection Notes

Select this component when designing automotive audio circuits requiring digital tone control via I2C. Confirm that the system power supply remains stable between 6V and 10.2V during operation. Ensure the design accommodates the 28-DIP through-hole form factor and meets the 0°C to 70°C ambient temperature operating constraints specified for automotive environments.

Audio Special Purpose Part Context

The TDA7438 belongs to STMicroelectronics' portfolio of audio special purpose integrated circuits. It is specifically engineered for the automotive sector, addressing the need for robust audio processing under varying electrical and thermal conditions typical in vehicle interiors. Its integration simplifies the design of modern car audio systems by combining multiple tone control functions into a single digitally controlled unit.

Audio Special Purpose Replacement Considerations

Consult official STMicroelectronics substitution guides for verified equivalent parts. Do not assume functional compatibility with other audio processors without verifying pinout, interface protocols, and electrical specifications against the original datasheet.

Audio Special Purpose FAQ

What type of interface does the TDA7438 use for control?

The TDA7438 utilizes an I2C interface for digital control and configuration.

Is the TDA7438 suitable for non-automotive applications?

While technically functional, the TDA7438 is qualified as an Automotive grade component, indicating its primary design optimization for vehicle environments.

What is the maximum supply voltage for the TDA7438?

The maximum recommended supply voltage for the TDA7438 is 10.2V.