TEA6422DT

Analog Switches - Special Purpose Overview

The TEA6422 is a bus-controlled audio matrix switch manufactured by STMicroelectronics. It routes six stereo inputs to three stereo outputs via I²C commands. The device operates with a supply voltage of 8 V to 11 V and draws 3 mA to 8 mA. Key electrical parameters include an input noise of 3 µV, a signal-to-noise ratio of 110 dB, and distortion of 0.05%. It supports gain control from -1 dB to +1 dB and features channel separation of up to 90 dB. The component is available in SDIP24 and SO28 packages.

Analog Switches - Special Purpose Feature Summary

• Routes six stereo inputs to three stereo outputs
• Controlled via serial I²C bus interface
• Supports cascading with two distinct addresses
• Includes built-in ESD protection

Analog Switches - Special Purpose Applications

• Audio routing systems
• Multi-source audio switching
• Bus-controlled audio matrices

Analog Switches - Special Purpose Procurement Notes

Verify the package type (SDIP24 or SO28) matches your board layout requirements. Confirm that the I²C address configuration aligns with your system design. Ensure the operating voltage range of 8 V to 11 V is compatible with your power supply. Check for any specific ordering suffixes if required by your distributor.

Analog Switches - Special Purpose Selection Notes

Select this component for applications requiring multiple stereo audio sources to be switched to different outputs. Ensure the system supports I²C communication at frequencies up to 100 kHz. Verify that the load resistance meets the minimum requirement of 2 kΩ. Consider the thermal resistance of 75 °C/W when designing the heat dissipation strategy.

Analog Switches - Special Purpose Part Context

This component belongs to the family of bus-controlled audio switches. It provides a solution for managing multiple audio channels in compact spaces. The device integrates both left and right channels for each input and output pair. It is designed for use in consumer electronics and professional audio equipment where space efficiency is critical.

Analog Switches - Special Purpose Replacement Considerations

No direct public substitute part numbers are documented in the provided datasheet. Evaluate other STMicroelectronics audio matrix switches for compatibility with I²C protocols and pin configurations.

Analog Switches - Special Purpose FAQ

What is the maximum supply voltage for the TEA6422?

The absolute maximum supply voltage is 12 V, with an operating range of 8 V to 11 V.

How many stereo inputs does the TEA6422 support?

The TEA6422 supports six stereo inputs.

Can the TEA6422 be used in a multi-device system?

Yes, the device is cascadable and supports two different I²C addresses.