Meixin Integrated
התמונה עשויה להיות ייצוג.
ראה מפרטים לפרטי מוצר.
MAX973ESA
צפה בפרטים DataSheets

MAX973ESA

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: High-performance, low-distortion, single-supply audio power amplifier
  • Package: 8-pin SOIC (Small Outline Integrated Circuit)
  • Essence: Provides high-quality audio amplification in a compact form factor
  • Packaging/Quantity: Available in reels of 2,500 units

Specifications

  • Supply Voltage Range: 4.5V to 14V
  • Output Power: 1.2W into 8Ω at 5V supply
  • Total Harmonic Distortion + Noise (THD+N): 0.04% at 1kHz, 1W output
  • Input Sensitivity: 100mV
  • Shutdown Current: 0.01μA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX973ESA features the following pin configuration:

  1. IN+ (Positive Input)
  2. IN- (Negative Input)
  3. GND (Ground)
  4. SHDN (Shutdown)
  5. VCC (Supply Voltage)
  6. OUT (Output)
  7. NC (No Connection)
  8. NC (No Connection)

Functional Features

  • Single-supply operation simplifies design and reduces component count
  • Low distortion and noise for high-quality audio reproduction
  • Shutdown mode for power-saving when not in use
  • Thermal and short-circuit protection for enhanced reliability
  • Wide operating temperature range for versatile applications

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Compact package size - Low distortion and noise - Power-saving shutdown mode - Reliable thermal and short-circuit protection

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires an external power supply

Working Principles

The MAX973ESA is a class AB audio power amplifier that operates on a single supply voltage. It amplifies the input audio signal and delivers it to the output with minimal distortion and noise. The shutdown mode allows for power-saving when the amplifier is not in use, while the thermal and short-circuit protection ensures safe operation.

Detailed Application Field Plans

The MAX973ESA is commonly used in various audio applications, including:

  1. Portable audio devices
  2. Headphone amplifiers
  3. Multimedia speakers
  4. Automotive audio systems
  5. Home theater systems

Its compact size, low distortion, and wide operating temperature range make it suitable for both consumer and professional audio equipment.

Detailed and Complete Alternative Models

  1. TPA3116D2: A high-performance audio amplifier with higher output power and advanced features.
  2. LM386: A popular low-power audio amplifier suitable for small-scale applications.
  3. TDA7294: A versatile audio amplifier with high output power and excellent sound quality.

These alternative models offer different specifications and features, allowing designers to choose the most suitable amplifier for their specific requirements.

In conclusion, the MAX973ESA is a high-performance audio amplifier IC that provides reliable and high-quality audio amplification in a compact form factor. Its low distortion, power-saving features, and wide application range make it a popular choice among audio equipment manufacturers.

רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של MAX973ESA בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of MAX973ESA in technical solutions:

  1. Q: What is MAX973ESA? A: MAX973ESA is a high-power Class D audio amplifier integrated circuit (IC) designed for use in various audio applications.

  2. Q: What is the maximum power output of MAX973ESA? A: MAX973ESA can deliver up to 20 watts of continuous power per channel into an 8-ohm load.

  3. Q: Can MAX973ESA operate with a single power supply? A: Yes, MAX973ESA can operate with a single power supply ranging from 8V to 28V.

  4. Q: What is the efficiency of MAX973ESA? A: MAX973ESA has a high efficiency of up to 92%, making it suitable for battery-powered applications.

  5. Q: Can MAX973ESA be used in automotive audio systems? A: Yes, MAX973ESA is suitable for automotive audio systems as it can withstand the harsh electrical environment found in vehicles.

  6. Q: Does MAX973ESA have built-in thermal protection? A: Yes, MAX973ESA includes thermal shutdown protection, which prevents the IC from overheating.

  7. Q: Can MAX973ESA drive low-impedance speakers? A: Yes, MAX973ESA is capable of driving speakers with impedance as low as 4 ohms.

  8. Q: Is MAX973ESA compatible with digital audio sources? A: Yes, MAX973ESA can accept both analog and digital audio inputs, making it versatile for different audio sources.

  9. Q: Can MAX973ESA be used in portable audio devices? A: Yes, MAX973ESA is suitable for portable audio devices due to its low power consumption and small form factor.

  10. Q: Does MAX973ESA require external components for operation? A: Yes, MAX973ESA requires a few external components such as input coupling capacitors, feedback resistors, and output filter components for proper operation.

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