Maxim Integrated
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MAX974ESE-T
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MAX974ESE-T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: High-performance, stereo Class D audio power amplifier
  • Package: 16-pin narrow SOIC package
  • Essence: Efficiently amplifies audio signals with low distortion and high fidelity
  • Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

  • Power Supply Voltage: 10V to 28V
  • Output Power: 25W per channel (at 10% THD+N into a 4Ω load)
  • Total Harmonic Distortion + Noise: 0.1% (at 1kHz, 1W output power)
  • Signal-to-Noise Ratio: 100dB (A-weighted)
  • Shutdown Current: 0.5μA (typical)

Pin Configuration

The MAX974ESE-T has the following pin configuration:

  1. VDD - Power supply voltage
  2. GND - Ground
  3. SD - Shutdown control input
  4. INL+ - Left channel non-inverting input
  5. INL- - Left channel inverting input
  6. BYP - Bypass capacitor connection
  7. OUTL - Left channel output
  8. PVDD - Power supply voltage for output stage
  9. PGND - Ground for output stage
  10. OUTR - Right channel output
  11. INR- - Right channel inverting input
  12. INR+ - Right channel non-inverting input
  13. MUTE - Mute control input
  14. VREF - Reference voltage output
  15. AGND - Analog ground
  16. VCC - Positive supply voltage

Functional Features

  • High-efficiency Class D operation
  • Wide power supply voltage range
  • Low distortion and high fidelity audio amplification
  • Shutdown control for power saving
  • Mute control for audio muting

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Efficient power usage - Wide power supply voltage range allows flexibility in system design - Low distortion ensures high-quality audio output

Disadvantages: - Requires external components for proper operation - Limited output power compared to some other amplifiers

Working Principles

The MAX974ESE-T is a stereo Class D audio power amplifier. It operates by using pulse-width modulation (PWM) to convert the input audio signal into a series of pulses with varying widths. These pulses are then amplified and filtered to produce the final audio output. The Class D operation ensures high efficiency, minimizing power wastage and heat generation.

Detailed Application Field Plans

The MAX974ESE-T is suitable for various audio amplification applications, including:

  1. Home theater systems
  2. Car audio systems
  3. Portable speakers
  4. Multimedia devices
  5. Gaming consoles

Alternative Models

Here are some alternative models that can be considered as alternatives to the MAX974ESE-T:

  1. TPA3116D2 - 50W Stereo Class D Audio Amplifier
  2. LM3886 - High-Performance Audio Power Amplifier
  3. TAS5630B - 300W Stereo Class D Audio Amplifier
  4. STA540 - 4x13W Quad Bridge Audio Amplifier

These alternative models offer different features and specifications, providing options for various audio amplification requirements.

In conclusion, the MAX974ESE-T is a high-performance stereo Class D audio power amplifier. With its efficient operation, low distortion, and wide power supply voltage range, it is suitable for a range of audio amplification applications. However, it requires external components and has limited output power compared to some other amplifiers.

10 domande e risposte comuni relative all'applicazione di MAX974ESE-T nelle soluzioni tecniche

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

  1. Q: What is the MAX974ESE-T? A: The MAX974ESE-T is a stereo audio power amplifier IC designed for use in various audio applications.

  2. Q: What is the maximum output power of the MAX974ESE-T? A: The MAX974ESE-T can deliver up to 25W per channel into a 4-ohm load or 50W into a bridged 8-ohm load.

  3. Q: Can the MAX974ESE-T be used in portable devices? A: Yes, the MAX974ESE-T is suitable for portable applications as it operates from a single supply voltage of 10V to 28V.

  4. Q: Does the MAX974ESE-T require any external components? A: Yes, the MAX974ESE-T requires a few external components such as input coupling capacitors, feedback resistors, and output filter components.

  5. Q: Is the MAX974ESE-T capable of driving low-impedance loads? A: Yes, the MAX974ESE-T is designed to drive loads as low as 4 ohms, making it suitable for a wide range of speakers.

  6. Q: Can the MAX974ESE-T handle short-circuit conditions? A: Yes, the MAX974ESE-T has built-in protection circuitry that safeguards against short-circuits and thermal overload.

  7. Q: What is the typical efficiency of the MAX974ESE-T? A: The typical efficiency of the MAX974ESE-T is around 85%, which helps in reducing power dissipation and extending battery life.

  8. Q: Can the MAX974ESE-T be used in automotive audio systems? A: Yes, the MAX974ESE-T is suitable for automotive applications as it can operate over a wide temperature range and has built-in protection features.

  9. Q: Does the MAX974ESE-T support external volume control? A: Yes, the MAX974ESE-T provides an external volume control interface that allows for easy integration with user-controlled volume systems.

  10. Q: What are the typical applications of the MAX974ESE-T? A: The MAX974ESE-T is commonly used in audio amplification for multimedia systems, gaming consoles, portable speakers, and automotive audio systems.

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