TDA7463A

Overview

The TDA7463A is a low voltage tone control and digitally controlled audio processor designed for quality audio applications in portable systems. Manufactured by STMicroelectronics, it integrates bass and treble processing with volume control managed via a serial bus interface. The device utilizes Bipolar/CMOS technology to achieve low distortion, low noise, and DC stepping performance. It operates within a supply voltage range of 1.8V to 3V and supports a 2-channel configuration. The component is housed in a 20-SOIC surface-mount package and functions within an operating temperature range of 0°C to 70°C.

Feature Summary

• Digitally controlled tone processing with adjustable bass ALC (Automatic Level Control) via a dedicated pin
• Low voltage operation suitable for portable systems with 1.8V ~ 3V supply range
• Bipolar/CMOS technology ensuring low distortion, low noise, and DC stepping capabilities
• Serial bus interface for comprehensive function control

Applications

• Consumer audio equipment
• Portable audio systems
• Quality audio applications requiring low voltage supply

Procurement Notes

Verify the specific ordering suffix against official STMicroelectronics documentation to confirm package type and tape/reel specifications. Ensure the selected variant matches the required 20-SOIC form factor and electrical characteristics for the target application design.

Selection Notes

Select this component for designs requiring integrated digital tone control in space-constrained portable devices. Confirm that the system power supply remains within the 1.8V to 3V operational limits. Verify compatibility with the I2C serial bus protocol used for controlling volume, bass, and treble parameters.

Part Context

The TDA7463A belongs to the family of digitally controlled audio processors from STMicroelectronics. It serves as a specialized solution for managing audio signal conditioning in consumer electronics, offering a compact alternative to discrete tone control circuits while maintaining high audio fidelity through its integrated bipolar/cmos architecture.

Replacement Considerations

Consult official STMicroelectronics substitution guides for verified alternatives. Cross-reference pinouts and electrical specifications when considering equivalent parts from other manufacturers to ensure functional compatibility.