Maxim Integrated
Bild kan vara representation.
Se specifikationer för produktinformation.
MAX9762ETI+T
Visa detalj Datablad

MAX9762ETI+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: High Efficiency, Low Distortion
  • Package: 28-Pin TQFN
  • Essence: Power Amplification
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 14V
  • Output Power: 10W per channel
  • Total Harmonic Distortion + Noise (THD+N): 0.03%
  • Efficiency: 87%
  • Shutdown Current: 0.1µA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9762ETI+T has a 28-pin Thin Quad Flat No-Lead (TQFN) package. The pin configuration is as follows:

  1. VDD
  2. GND
  3. SHDN
  4. INL-
  5. INL+
  6. BYP
  7. OUTL
  8. AGND
  9. PGND
  10. PVDD
  11. BST
  12. FB
  13. COMP
  14. SS
  15. VREF
  16. INR+
  17. INR-
  18. OUTR
  19. MUTE
  20. BIAS
  21. VCC
  22. VEE
  23. NC
  24. NC
  25. NC
  26. NC
  27. NC
  28. NC

Functional Features

  • High power efficiency for improved battery life in portable devices.
  • Low distortion for high-quality audio reproduction.
  • Shutdown mode for power-saving when not in use.
  • Built-in mute function for easy control of audio output.

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life. - Low distortion ensures high-quality audio output. - Shutdown mode reduces power consumption when not in use. - Mute function provides convenient control over audio output.

Disadvantages: - Limited output power compared to some other amplifiers. - Requires external components for proper operation. - Higher cost compared to lower-end audio amplifiers.

Working Principles

The MAX9762ETI+T is a class D audio amplifier that utilizes pulse-width modulation (PWM) techniques to amplify audio signals efficiently. It operates by rapidly switching the input signal on and off, using a pair of complementary MOSFETs as the output stage. This allows for high power efficiency and low power dissipation, resulting in longer battery life and reduced heat generation.

Detailed Application Field Plans

The MAX9762ETI+T is commonly used in various audio applications, including:

  1. Portable Bluetooth speakers
  2. Home theater systems
  3. Car audio systems
  4. Gaming consoles
  5. Soundbars

Detailed and Complete Alternative Models

  1. TPA3116D2: Similar audio amplifier with higher output power.
  2. LM386: Lower-cost audio amplifier with simpler design.
  3. TAS5630: Class D audio amplifier with advanced features and higher performance.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

In conclusion, the MAX9762ETI+T is a high-efficiency audio amplifier IC that offers low distortion and power-saving features. It is widely used in various audio applications and provides an excellent balance between performance and cost.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MAX9762ETI+T i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MAX9762ETI+T in technical solutions:

  1. Q: What is the MAX9762ETI+T? A: The MAX9762ETI+T is a high-power Class D audio amplifier IC designed for use in various audio applications.

  2. Q: What is the maximum power output of the MAX9762ETI+T? A: The MAX9762ETI+T can deliver up to 20W of power per channel into a 4-ohm load.

  3. Q: Can the MAX9762ETI+T be used in automotive audio systems? A: Yes, the MAX9762ETI+T is suitable for automotive audio applications and can operate over a wide supply voltage range.

  4. Q: Does the MAX9762ETI+T require an external heat sink? A: No, the MAX9762ETI+T features an integrated thermal shutdown protection mechanism, eliminating the need for an external heat sink in most applications.

  5. Q: Can the MAX9762ETI+T be used with both single-ended and differential input signals? A: Yes, the MAX9762ETI+T supports both single-ended and differential input configurations.

  6. Q: Is the MAX9762ETI+T compatible with digital audio sources? A: Yes, the MAX9762ETI+T can accept digital audio inputs when combined with an appropriate digital-to-analog converter (DAC).

  7. Q: What is the efficiency of the MAX9762ETI+T? A: The MAX9762ETI+T offers high efficiency, typically above 90%, which helps minimize power dissipation and maximize battery life in portable applications.

  8. Q: Can the MAX9762ETI+T be used in bridged mode for higher power output? A: Yes, the MAX9762ETI+T can be configured in a bridge-tied load (BTL) configuration to deliver even higher power output.

  9. Q: Does the MAX9762ETI+T have built-in protection features? A: Yes, the MAX9762ETI+T includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  10. Q: What is the recommended operating voltage range for the MAX9762ETI+T? A: The MAX9762ETI+T operates from a supply voltage range of 4.5V to 14V, making it suitable for a wide range of applications.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.