MAX9724AETC+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power stereo audio amplifier
• Package: 20-TQFN (5x5)
• Essence: Provides high-quality audio amplification in a compact form factor
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: 1.2W per channel into 8Ω load at 5V supply
• Total Harmonic Distortion + Noise (THD+N): 0.04% at 1kHz, 1.2W output power
• Efficiency: 87% at 1kHz, 1.2W output power
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9724AETC+T has a total of 20 pins arranged as follows:

1. SHDN - Shutdown Control Input
2. GND - Ground
3. INL- - Left Channel Negative Input
4. INL+ - Left Channel Positive Input
5. VDD - Positive Power Supply
6. BYP - Bypass Capacitor Connection
7. OUTL - Left Channel Output
8. PVDD - Positive Power Supply for Output Stage
9. PGND - Ground for Output Stage
10. OUTR - Right Channel Output
11. INR+ - Right Channel Positive Input
12. INR- - Right Channel Negative Input
13. NC - No Connection
14. NC - No Connection
15. NC - No Connection
16. NC - No Connection
17. NC - No Connection
18. NC - No Connection
19. NC - No Connection
20. NC - No Connection

Functional Features

• High PSRR (Power Supply Rejection Ratio) of 80dB at 217Hz
• Low quiescent current of 1.6mA per channel
• Short-circuit and thermal protection
• Pop-and-click suppression during power-up and shutdown

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Low power consumption - Compact form factor - Protection features for enhanced reliability

Disadvantages: - Limited output power compared to higher wattage amplifiers - Limited pin configuration options for customization

Working Principles

The MAX9724AETC+T is a stereo audio amplifier that operates by amplifying the input audio signals received from the left and right channels. It utilizes a low-power architecture, allowing it to deliver high-quality audio amplification while consuming minimal power. The amplifier also incorporates various protection features such as short-circuit and thermal protection, ensuring reliable operation even in demanding conditions.

Detailed Application Field Plans

The MAX9724AETC+T finds applications in various audio-related fields, including but not limited to:

1. Portable Audio Devices: Provides high-quality audio amplification for portable media players, smartphones, and tablets.
2. Headphone Amplifiers: Enhances the audio output of headphones, delivering improved sound quality and volume.
3. Automotive Audio Systems: Used in car audio systems to amplify audio signals for speakers, providing an immersive listening experience.
4. Home Theater Systems: Enables clear and powerful audio reproduction in home theater setups, enhancing the overall entertainment experience.

Detailed and Complete Alternative Models

1. MAX9724AEUB+T: Similar to MAX9724AETC+T, but packaged in a 10-µMAX package.
2. MAX9724BETC+T: Upgraded version with improved specifications, including higher output power and lower THD+N.
3. MAX9724CETC+T: Alternative model with additional features such as integrated volume control.

Note: The above alternative models are provided for reference purposes and may have different characteristics and pin configurations. It is recommended to refer to the respective datasheets for detailed information.

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