MAX974CPE+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX974CPE+ belongs to the category of integrated circuits (ICs).

Use

This product is primarily used as an audio power amplifier.

Characteristics

• The MAX974CPE+ is a high-performance Class D amplifier.
• It offers excellent audio quality and efficiency.
• This IC operates on a single power supply voltage, making it suitable for various applications.
• It has built-in protection features such as thermal shutdown and overcurrent protection.

Package

The MAX974CPE+ is available in a 16-pin plastic dual in-line package (PDIP).

Essence

The essence of the MAX974CPE+ lies in its ability to amplify audio signals with high fidelity and efficiency.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

• Supply Voltage: 10V to 28V
• Output Power: Up to 25W per channel
• Total Harmonic Distortion (THD): <0.1%
• Signal-to-Noise Ratio (SNR): >90dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX974CPE+ has the following pin configuration:

1. VDD - Positive power supply
2. GND - Ground
3. SD - Shutdown control input
4. IN+ - Non-inverting audio input
5. IN- - Inverting audio input
6. OUT+ - Positive speaker output
7. OUT- - Negative speaker output
8. FB - Feedback input
9. AGND - Analog ground
10. MUTE - Mute control input
11. STBY - Standby control input
12. NC - No connection
13. NC - No connection
14. NC - No connection
15. NC - No connection
16. VDD - Positive power supply

Functional Features

• High audio quality with low distortion and noise.
• Efficient Class D amplifier design for reduced power consumption.
• Shutdown and standby modes for power management.
• Mute control for audio muting during operation.
• Built-in protection features to prevent damage from overcurrent and thermal issues.

Advantages and Disadvantages

Advantages

• High-quality audio amplification.
• Efficient power usage.
• Integrated protection features.
• Versatile power supply voltage range.

Disadvantages

• Limited output power compared to higher wattage amplifiers.
• Requires external components for complete audio system integration.

Working Principles

The MAX974CPE+ operates on the principle of Class D amplification. It uses pulse-width modulation (PWM) techniques to convert the input audio signal into a high-frequency square wave. This square wave is then filtered and amplified to produce the final audio output. The Class D design ensures high efficiency by minimizing power dissipation.

Detailed Application Field Plans

The MAX974CPE+ finds applications in various audio systems, including:

1. Home theater systems
2. Car audio systems
3. Portable speakers
4. Professional audio equipment
5. Gaming consoles

Detailed and Complete Alternative Models

1. TPA3116D2 - Texas Instruments
2. STA516B - STMicroelectronics
3. IRS2092S - International Rectifier
4. TAS5611A - Texas Instruments
5. PAM8403 - Diodes Incorporated

These alternative models offer similar functionality and can be considered as alternatives to the MAX974CPE+.

In conclusion, the MAX974CPE+ is a high-performance Class D audio power amplifier IC. With its excellent audio quality, efficiency, and built-in protection features, it finds applications in various audio systems. While it has certain limitations in terms of output power and system integration, there are alternative models available in the market to suit specific requirements.