MAX9752CETI+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio amplifier
• Characteristics: High-performance, stereo Class D audio power amplifier
• Package: 28-pin TQFN (Thin Quad Flat No-Lead) package
• Essence: Amplifies audio signals for various applications
• Packaging/Quantity: Tape and reel packaging, quantity varies

Specifications

• Power Supply Voltage Range: 4.5V to 14V
• Output Power: Up to 20W per channel
• Efficiency: Up to 90%
• Total Harmonic Distortion + Noise (THD+N): <0.1%
• Signal-to-Noise Ratio (SNR): >100dB
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9752CETI+T has a total of 28 pins. The pin configuration is as follows:

1. SDZ (Shutdown Input)
2. GND (Ground)
3. INL- (Left Channel Negative Input)
4. INL+ (Left Channel Positive Input)
5. VDD (Power Supply)
6. PVDD (Power Supply)
7. BST (Bootstrap Capacitor Connection)
8. OUTL (Left Channel Output)
9. FB (Feedback Input)
10. COMP (Compensation Network Connection)
11. PGND (Power Ground)
12. PGND (Power Ground)
13. PGND (Power Ground)
14. PGND (Power Ground)
15. PGND (Power Ground)
16. PGND (Power Ground)
17. PGND (Power Ground)
18. PGND (Power Ground)
19. PGND (Power Ground)
20. PGND (Power Ground)
21. PGND (Power Ground)
22. PGND (Power Ground)
23. PGND (Power Ground)
24. PGND (Power Ground)
25. PGND (Power Ground)
26. PGND (Power Ground)
27. INR+ (Right Channel Positive Input)
28. INR- (Right Channel Negative Input)

Functional Features

• High-efficiency Class D amplifier architecture
• Integrated protection features such as overcurrent and thermal shutdown
• Low quiescent current for power-saving operation
• Wide operating voltage range for versatile applications
• Built-in mute and shutdown control options

Advantages and Disadvantages

Advantages: - High power efficiency - Compact package size - Integrated protection features ensure safe operation - Versatile operating voltage range

Disadvantages: - Limited output power compared to some other amplifiers - Requires external compensation network for stability

Working Principles

The MAX9752CETI+T is a stereo Class D audio power amplifier that utilizes pulse-width modulation (PWM) techniques to amplify audio signals efficiently. It converts the input audio signal into a high-frequency PWM waveform, which is then filtered and amplified to drive the connected speakers.

The amplifier operates by rapidly switching the output stage transistors on and off, minimizing power dissipation and maximizing efficiency. The integrated feedback loop ensures accurate reproduction of the input audio signal while maintaining low distortion and noise levels.

Detailed Application Field Plans

The MAX9752CETI+T can be used in various audio applications, including:

1. Portable audio devices: Provides high-quality audio amplification for smartphones, tablets, and portable media players.
2. Home entertainment systems: Amplifies audio signals for TVs, gaming consoles, and multimedia speakers.
3. Automotive audio systems: Enhances the audio output in car stereos and infotainment systems.
4. Professional audio equipment: Suitable for amplifying audio signals in mixers, amplifiers, and sound reinforcement systems.

Detailed and Complete Alternative Models

1. MAX9744: 20W stereo Class D audio power amplifier with integrated volume control.
2. TPA3116D2: 50W stereo Class D audio amplifier with built-in audio processing features.
3. TAS5615A: 125W stereo Class D audio power amplifier with advanced digital signal processing capabilities.

These alternative models offer similar functionality and can be considered as alternatives to the MAX9752CETI+T based on specific application requirements.

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