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Product Detailed Parameters
- Description：IC AMP CLSS AB STER 124MW 20TQFN
- 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：124mW x 2 @ 16Ohm
- Voltage - Supply：2.7V ~ 5.5V
- Features：Bass Boost, Depop, I2C, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
- Mounting Type：Surface Mount
- Supplier Device Package：20-TQFN (4x4)
- Package / Case：20-WFQFN Exposed Pad
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The MAX9726AETP+ is a stereo Class-AB audio amplifier designed for headphone applications. It operates within a supply voltage range of 2.7V to 5.5V and delivers up to 124mW per channel into a 16-ohm load. The device utilizes a DirectDrive architecture, eliminating the need for output coupling capacitors. It is housed in a compact 20-TQFN package with dimensions of 4x4 mm.
Feature Summary
- Integrates bass enhancement functionality to improve low-frequency response.
- Includes I2C interface for digital control of volume and mute functions.
- Features pop-and-click suppression circuitry for quiet startup and shutdown.
- Provides comprehensive protection against short circuits and thermal overload.
Applications
- Portable media players
- Mobile phones
- MP3 players
Procurement Notes
Verify component authenticity through authorized channels due to discontinued status. Confirm RoHS compliance and lead-free solder finish specifications. Ensure proper ESD handling during storage and assembly. Validate package marking against official datasheet standards to prevent counterfeit risks.
Selection Notes
Select this component for designs requiring integrated digital control and high-quality audio performance in limited space. Consider the 20-TQFN footprint for PCB layout constraints. Evaluate power supply requirements against the 2.7V to 5.5V operating range. Assess thermal management needs based on expected output power levels.
Part Context
This part belongs to the Maxim Integrated DirectDrive series of audio amplifiers. It represents a solution for portable electronics where size and battery life are critical. The product line emphasizes ease of use by removing external passive components typically required in traditional amplifier designs.
Replacement Considerations
The manufacturer lists this item as obsolete. Verify availability of direct replacements or pin-compatible alternatives from Analog Devices inventory. Review updated datasheets for any functional changes in successor models before integration.
