MAX9724AETC+

Description：IC AMP CLASS AB STER 63MW 12TQFN
Series：DirectDrive®
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tube

SKU:01f39dfe9294 Category: Audio Amplifiers Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

MAX9724AETC+ is listed in the Audio Amplifiers range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is IC AMP CLASS AB STER 63MW 12TQFN. Review the specifications below when checking this part for your BOM.

Audio Amplifiers specifications for MAX9724AETC+

Description：IC AMP CLASS AB STER 63MW 12TQFN
Series：DirectDrive®
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tube
Type：Class AB
Output Type：Headphones, 2-Channel (Stereo)
Max Output Power x Channels @ Load：63mW x 2 @ 32Ohm
Voltage - Supply：2.7V ~ 5.5V
Features：Depop, Short-Circuit and Thermal Protection, Shutdown
Mounting Type：Surface Mount
Supplier Device Package：12-TQFN (3x3)
Package / Case：12-WFQFN Exposed Pad
Operating Temperature：-40°C ~ 85°C (TA)
Grade：-
Qualification：-

Audio Amplifiers datasheet and documents for MAX9724AETC+

MAX9724AETC+

Audio Amplifiers Overview

The MAX9724AETC+ is a stereo headphone amplifier utilizing DirectDrive architecture for single-supply operation. It delivers up to 60mW per channel into a 32Ω load with 0.02% THD+N. The device operates from a 2.7V to 5.5V supply, consuming 3.5mA quiescent current and less than 0.1µA in shutdown. It features an adjustable gain configuration, 80dB PSRR at 1kHz, and integrated click-and-pop suppression. The component is housed in a 12-pin TQFN-EP package (3mm x 3mm) and specified over -40°C to +85°C.

Audio Amplifiers Feature Summary

DirectDrive architecture eliminates bulky DC-blocking capacitors by generating an internal negative supply via a charge pump.
Enhanced RF noise rejection prevents demodulation of coupled interference on input and supply traces.
Integrated click-and-pop suppression circuitry minimizes audible transients during power-up and shutdown transitions.
Low-power shutdown mode reduces current consumption to extend battery life in portable applications.

Audio Amplifiers Applications

Cellular Phones
MP3 Players
Notebook PCs
Handheld Gaming Consoles

Audio Amplifiers Procurement Notes

Verify the specific suffix ET indicates the 12-pin TQFN-EP package variant. Confirm the 'A' designation corresponds to the externally adjustable gain version rather than the fixed-gain 'B' model. Ensure compatibility with the required operating temperature range and verify RoHS compliance status for the specific manufacturing lot.

Audio Amplifiers Selection Notes

Select this part when board space is limited and external output coupling capacitors must be avoided. Choose the adjustable gain variant if system requirements necessitate custom amplification levels. Ensure the application environment remains within the specified thermal limits to maintain performance and reliability standards.

Audio Amplifiers Part Context

This component belongs to the MAX9724 family of low-power stereo headphone amplifiers. It shares the core DirectDrive technology with other variants but differs in package type and gain configuration. The TQFN-EP package provides a compact footprint suitable for dense PCB layouts while maintaining thermal dissipation capabilities through the exposed paddle.