MAX9752AETI+

Series:	DirectDrive®
Packaging:	Tube
Part Status:	Obsolete
Type:	Class D
Output Type:	2-Channel (Stereo) with Stereo Headphones
Max Output Power x Channels @ Load:	2.2W x 2 @ 4 Ohm; 62mW x 2 @ 16 Ohm
Voltage - Supply:	4.5 V ~ 5.5 V
Features:	Depop, Short-Circuit and Thermal Protection, Shutdown, Volume Control
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	28-TQFN (5x5)
Package / Case:	28-WFQFN Exposed Pad
Base Part Number:	MAX9752

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Introduction of MAX9752AETI+

MAX9752AETI+ is a low-noise, low-distortion, low-power stereo digital audio amplifier designed specifically for audio applications. The device combines a digital-to-analog converter (DAC) and a digital audio processor (DAP) to achieve maximum performance. With its very low power consumption and industry-leading THD+N (Total Harmonic Distortion plus Noise) performance, MAX9752AETI+ is well suited for high-end audio systems, including home theater and mobile phones.

Features of MAX9752AETI+

MAX9752AETI+ is an extremely low-power, high-efficiency stereo digital audio amplifier with a wide range of features, including:* Low power consumption. The device\'s low power consumption allows for a longer operating time and improved battery life.* Low distortion and noise. The device uses a low distortion and low noise design, enabling the highest quality audio performance.* High fidelity sound. The device has a very low THD+N (<0.2%) and a high signal-to-noise ratio (SNR).* High output power. The device has a maximum output power of 2.5W (8Ω) and is capable of producing up to 30dbW (1W) of stereo sound power.* Soft mute function. The device has a soft mute function which can be used to reduce sudden output clipping.

Applications of MAX9752AETI+

MAX9752AETI+ is ideal for a variety of audio applications, including:* Mobile phones* Home theater systems* Portable audio devices* Headphone amplifiers* Automotive audio systems* Set-top boxes* Projectors

Working Principle of MAX9752AETI+

The MAX9752AETI+ is a stereo digital audio amplifier based on a single-chip CMOS process. The device has a single-ended PFC amplifier structure that maximizes the signal-to-noise ratio (SNR) by using a combination of an external filter and a built-in DAC. The device can be powered by either a single supply (5V to 8V) or a dual supply (±5V to ±8V). The device also supports independent supply voltage and ground pins, providing more flexibility to optimize the output power performance.The device uses a proprietary closed loop feedback to minimize distortion and stabilize the output power. This allows it to maintain a high level of linearity, even during loud passages, and provides for improved sound quality. Additionally, the device has a built-in soft mute function which can be used to reduce sudden output clipping. The device has a low signal-to-noise ratio of <85dB and a low distortion of <0.2%. The device also has an adjustable gain from 0.2 dB to 10 dB, allowing it to adapt to different applications. The device has a low-power shutdown circuit that allows it to go into a low-power standby mode when there is no audio output. The device also has an open-drain power-good output to indicate when the device is ready for audio playback.

Conclusion

MAX9752AETI+ is a low-noise, low-distortion, low-power stereo digital audio amplifier designed specifically for audio applications. With its low power consumption, excellent THD+N performance, and a wide range of features, it is well suited for high-end audio systems. The device can be used in a variety of applications, from mobile phones to set-top boxes. It uses a single-ended PFC amplifier structure combined with an external filter and a built-in DAC for maximum signal quality. The device has adjustable gain and a built-in soft mute function for improved sound quality. Additionally, the device has a low-power shutdown circuit and an open-drain power-good output for detecting when the device is ready for playback.

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