MAX9719CEUE

Audio Amplifiers Overview

The MAX9719CEUE is a Class AB stereo audio power amplifier designed for portable devices with internal speakers. It delivers 1.4W per channel into a 4Ω load, operating on a single supply voltage ranging from 2.7V to 5.5V. The device features differential inputs and includes integrated depop circuitry for silent power-up and power-down sequences. It incorporates thermal protection and a shutdown pin for power management. The component is housed in a 16-TSSOP-EP package with an exposed pad for improved thermal dissipation.

Audio Amplifiers Feature Summary

• Differential input architecture for improved noise rejection
• Integrated depop circuit ensures silent startup and shutdown
• Thermal protection safeguards against overheating
• Shutdown pin enables low-power standby operation

Audio Amplifiers Applications

• Portable audio devices with internal speakers
• Mobile phones and handheld multimedia players
• Personal digital assistants (PDAs)
• MP3 players and portable media receivers

Audio Amplifiers Procurement Notes

Verify the specific suffix 'CEUE' against official Analog Devices documentation to confirm package type and RoHS compliance status. Note that this part number may be obsolete or discontinued; check current availability through authorized distributors. Ensure the ordering information matches the exact electrical specifications required for your design, as suffixes often denote packaging or environmental compliance variations.

Audio Amplifiers Selection Notes

Select this amplifier when differential signaling is required to minimize noise in portable audio applications. It is suitable for designs needing high efficiency in a small footprint without external output capacitors. Consider the thermal performance of the TSSOP-EP package if operating near maximum power levels. Verify compatibility with the system's single-supply voltage range and speaker impedance requirements before integration.

Audio Amplifiers Part Context

The MAX9719 belongs to Maxim Integrated's family of differential input audio amplifiers, designed specifically for battery-powered portable electronics. It complements similar models like the MAX9718 by offering stereo output capabilities in a compact form factor. This series addresses the need for high-quality audio reproduction in space-constrained devices while maintaining low power consumption and robust protection features.

Audio Amplifiers Replacement Considerations

Consult official Analog Devices documentation for confirmed substitute part numbers. Cross-reference specifications such as output power, supply voltage range, and package dimensions to ensure functional equivalence. Verify that any replacement maintains the same differential input capability and thermal protection features.