MAX9776EBX+G45

Audio Amplifiers Overview

The MAX9776EBX+G45 is an audio amplifier IC from the DirectDrive series, manufactured by Analog Devices Inc./Maxim Integrated. It integrates a high-efficiency Class D stereo/mono audio power amplifier with a mono DirectDrive receiver amplifier and a stereo DirectDrive headphone amplifier. The device operates on a supply voltage range of 2.7V to 5.5V and features unique spread-spectrum modulation for EMI reduction. It supports up to three stereo inputs and includes I2C control for input configuration, volume adjustment, and output mode selection.

Audio Amplifiers Feature Summary

• Integrates a high-efficiency Class D stereo or mono audio power amplifier alongside dedicated mono DirectDrive receiver and stereo DirectDrive headphone amplifiers.
• Utilizes unique spread-spectrum modulation and active emissions limiting technology to significantly reduce electromagnetic interference (EMI).
• Provides comprehensive digital control via I2C interface for configuring input sources, adjusting volume levels, and selecting output modes.
• Includes built-in protection mechanisms such as current-limit and thermal shutdown, along with click-and-pop suppression for silent operation.

Audio Amplifiers Applications

• Cell phones
• Portable multimedia players
• Handheld gaming consoles

Audio Amplifiers Procurement Notes

Verify the specific suffix G45 against official manufacturer documentation to confirm compliance details and revision status. Ensure compatibility with existing PCB footprints and design specifications before procurement. Confirm availability through authorized distributors as supply may be limited.

Audio Amplifiers Selection Notes

Select this component for designs requiring integrated speaker and headphone driving capabilities within a compact form factor. The I2C control interface allows for flexible system integration and dynamic audio parameter adjustments. Consider the operating voltage range and thermal management requirements for the target application environment.

Audio Amplifiers Part Context

This part belongs to the MAX9776 family of ultra-low EMI Class D audio subsystems. It is designed to replace discrete amplifier solutions in portable electronics, offering high efficiency and low total harmonic distortion. The DirectDrive technology eliminates the need for external coupling capacitors, simplifying the board layout.

Audio Amplifiers Replacement Considerations

The MAX9775 serves as a related variant within the same family, featuring 3D stereo enhancement. Verify pinout compatibility and functional differences between the MAX9776 and MAX9775 when considering substitution.