MAX9724AETC+

Series:	DirectDrive®
Packaging:	Tube
Part Status:	Active
Type:	Class AB
Output Type:	Headphones, 2-Channel (Stereo)
Max Output Power x Channels @ Load:	63mW x 2 @ 32 Ohm
Voltage - Supply:	2.7 V ~ 5.5 V
Features:	Depop, Short-Circuit and Thermal Protection, Shutdown
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	12-TQFN (3x3)
Package / Case:	12-WFQFN Exposed Pad
Base Part Number:	MAX9724

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MAX9724AETC+ application field and working principle

The MAX9724AETC+ is an integrated audio amplifier solution. It is a low-power high-efficiency chip developed by Maxim Integrated and includes a low-noise, low-distortion audio amplifier and a sequential low-dropout (LDO) linear regulator. Its ultra-low-power consumption makes it suitable for portable applications such as battery-powered music players, MP3 players, portable radios, and CD players. The MAX9724AETC+ integrates a Class D amplifier and linear regulator, which are designed for high performance audio applications. The integrated Class D amplifier offers a low power consumption of 1.1 mW/channel, low distortion, and low noise operation. It also integrates a low-noise and low-dropout linear regulator, allowing the power supply voltage to be maintained at a constant level while consuming minimal amounts of power.The linear regulator in the MAX9724AETC+ offers a high-efficiency output voltage with a low-dropout voltage. It operates at a high frequency, allowing for a fast response time and reduced power dissipation, while offering excellent load regulation and noise performance. This ensures that the power supply voltage is maintained at a constant level, even with varying power requirements.The MAX9724AETC+ also features an integrated temperature-compensated oscillator (TCO). This helps reduce the number of external components required when using the chip, improving design flexibility and reducing the cost of the design.The MAX9724AETC+ is available in different package sizes, ranging from 3-pin TO-92-SOP packages for small form factor designs, to 8-pin TSSOP packages for larger designs. The chip has a wide operating temperature range, up to +125°C. In terms of audio performance, the MAX9724AETC+ provides excellent sound quality with low distortion and low noise levels. It is suitable for high quality audio applications such as portable music systems and automotive audio systems. The MAX9724AETC+ is an ideal solution for portable applications that need both a linear regulator and an audio amplifier. The integrated power-saving features, high performance, and small form factor make it an attractive option for portable audio system designs.

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