MAX974ESE

Product Overview

Category: Integrated Circuit (IC)
Use: Audio Amplifier
Characteristics: High-performance, stereo Class D audio power amplifier
Package: Small Outline Integrated Circuit (SOIC)
Essence: Provides high-quality audio amplification in a compact form factor
Packaging/Quantity: Available in reels of 2500 units

Specifications

Power Supply Voltage Range: 4.5V to 14V
Output Power: 2 x 25W into 8Ω at 10% THD+N
Efficiency: Up to 93%
Total Harmonic Distortion + Noise (THD+N): 0.1%
Shutdown Current: <1µA
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX974ESE has a total of 16 pins arranged as follows:

```

| | | 1 2 3 | |_____________| | | | 4 5 6 | |_____________| | | | 7 8 9 | |_____________| | | | 10 11 12 | |_____________| ```

Functional Features

High-efficiency Class D operation for reduced power consumption and heat dissipation
Built-in thermal and short-circuit protection for enhanced reliability
Wide input voltage range allows for versatile applications
Low shutdown current for power-saving mode
Mute function for convenient audio control

Advantages and Disadvantages

Advantages: - High power efficiency - Compact package size - Built-in protection features - Versatile input voltage range

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

Working Principles

The MAX974ESE is a stereo Class D audio power amplifier that utilizes pulse-width modulation (PWM) to amplify audio signals. It operates by rapidly switching the output stage transistors on and off, resulting in efficient power conversion. The amplified audio signal is then filtered and delivered to the connected speakers.

Detailed Application Field Plans

The MAX974ESE is suitable for various audio amplification applications, including: - Portable speakers - Home theater systems - Automotive audio systems - Multimedia devices - Gaming consoles

Alternative Models

TPA3116D2: A similar Class D audio amplifier with higher output power capabilities.
LM3886: A Class AB audio amplifier offering excellent audio fidelity.
TAS5630: A digital input Class D amplifier with advanced features for professional audio applications.

These alternative models provide different specifications and features to cater to diverse application requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX974ESE in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MAX974ESE in technical solutions:

Q: What is MAX974ESE? A: MAX974ESE is a Class D audio power amplifier integrated circuit (IC) that can be used to amplify audio signals in various applications.
Q: What is the maximum output power of MAX974ESE? A: The maximum output power of MAX974ESE is typically 25 watts per channel into 8 ohms.
Q: Can MAX974ESE operate on a single power supply? A: Yes, MAX974ESE can operate on a single power supply ranging from 10V to 28V.
Q: Is MAX974ESE suitable for battery-powered applications? A: Yes, MAX974ESE can be used in battery-powered applications as it has low quiescent current and shutdown mode to conserve power.
Q: Does MAX974ESE have built-in thermal protection? A: Yes, MAX974ESE has built-in thermal overload protection to prevent overheating and damage to the IC.
Q: Can I use MAX974ESE with both analog and digital audio sources? A: Yes, MAX974ESE can accept both analog and digital audio inputs, making it versatile for different audio sources.
Q: Does MAX974ESE require external components for operation? A: Yes, MAX974ESE requires external components such as resistors, capacitors, and inductors for proper operation and filtering.
Q: Can I control the volume level with MAX974ESE? A: Yes, MAX974ESE provides a digital volume control feature that allows you to adjust the volume level digitally.
Q: Is MAX974ESE compatible with different speaker impedance ratings? A: Yes, MAX974ESE is designed to work with a wide range of speaker impedance ratings, including 4 ohms and 8 ohms.
Q: Can I use MAX974ESE in automotive audio systems? A: Yes, MAX974ESE can be used in automotive audio systems as it can handle the voltage fluctuations commonly found in vehicles.

Please note that these answers are general and may vary depending on specific application requirements and circuit design considerations.