MAX98372ETJ+T

Product Overview

• Category: Integrated Circuit
• Use: Audio Amplifier
• Characteristics: High-performance, low-power, digital audio amplifier
• Package: 32-pin TQFN (Thin Quad Flat No-Lead)
• Essence: Provides high-quality audio amplification in a compact form factor
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Output Power: Up to 3.2W
• THD+N (Total Harmonic Distortion plus Noise): 0.03%
• SNR (Signal-to-Noise Ratio): 100dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VDD: Power supply voltage
2. GND: Ground reference
3. SD: Shutdown control input
4. SDA: I2C serial data input
5. SCL: I2C serial clock input
6. BCLK: Bit clock input
7. LRCLK: Left/right clock input
8. DIN: Digital audio data input
9. DOUT: Digital audio data output
10. AGND: Analog ground reference
11. AVDD: Analog power supply voltage
12. OUTL: Left channel audio output
13. OUTR: Right channel audio output
14. BST: Boost converter output
15. PVDD: Power supply voltage for boost converter
16. PVSS: Ground reference for boost converter

(Note: The remaining pins are not listed here for brevity.)

Functional Features

• Integrated digital audio processing
• Class D amplifier architecture
• Automatic gain control
• Programmable equalization
• Dynamic range compression
• I2C control interface for easy configuration
• Low-power consumption
• Short-circuit and thermal protection

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Compact form factor - Integrated digital audio processing - Programmable equalization for audio optimization - Low-power consumption

Disadvantages: - Limited output power compared to larger amplifiers - Requires external components for full functionality

Working Principles

The MAX98372ETJ+T is a class D audio amplifier that utilizes pulse-width modulation (PWM) to convert the digital audio signal into amplified analog audio. It incorporates integrated digital audio processing algorithms to enhance the audio quality. The amplifier operates in a bridge-tied load configuration, providing efficient power conversion and minimizing power losses.

Detailed Application Field Plans

1. Portable Audio Devices: The MAX98372ETJ+T is ideal for use in portable audio devices such as smartphones, tablets, and portable media players. Its compact size and low-power consumption make it suitable for battery-powered applications.

2. Home Entertainment Systems: The amplifier can be used in home theater systems, soundbars, and multimedia speakers to provide high-quality audio amplification. Its programmable equalization and dynamic range compression features allow for audio optimization in different environments.

3. Automotive Infotainment Systems: The MAX98372ETJ+T can be integrated into automotive infotainment systems to deliver clear and powerful audio. Its short-circuit and thermal protection features ensure reliable operation in the demanding automotive environment.

Detailed and Complete Alternative Models

1. MAX98371ETE+T: Similar to MAX98372ETJ+T but in a smaller 16-pin TQFN package.
2. MAX98373ETE+T: Higher output power version of MAX98372ETJ+T, capable of delivering up to 5W.

(Note: This list is not exhaustive and there may be other alternative models available.)

In conclusion, the MAX98372ETJ+T is a high-performance, low-power digital audio amplifier that provides high-quality audio amplification in a compact form factor. With its integrated digital audio processing and programmable equalization, it offers flexibility and optimization for various audio applications. While it has some limitations in terms of output power and external component requirements, its advantages outweigh the disadvantages, making it a popular choice in portable audio devices, home entertainment systems, and automotive infotainment systems.