Meixin Integrated
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MAX9768BETG/V+T
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MAX9768BETG/V+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: High-performance, Class D, mono audio amplifier
  • Package: 24-pin TQFN (Thin Quad Flat No-Lead) package
  • Essence: Power-efficient audio amplification
  • Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 14V
  • Output Power: Up to 20W
  • Efficiency: Up to 90%
  • Total Harmonic Distortion + Noise (THD+N): <0.1%
  • Signal-to-Noise Ratio (SNR): >100dB
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9768BETG/V+T has a total of 24 pins. The pin configuration is as follows:

  1. SHDN: Shutdown control input
  2. GND: Ground
  3. IN+: Positive audio input
  4. IN-: Negative audio input
  5. VDD: Positive supply voltage
  6. PVDD: Power supply for the output stage
  7. BST: Bootstrap capacitor connection
  8. OUT: Speaker output
  9. FB: Feedback input
  10. AGND: Analog ground
  11. PGND: Power ground
  12. NC: No connect
  13. NC: No connect
  14. NC: No connect
  15. NC: No connect
  16. NC: No connect
  17. NC: No connect
  18. NC: No connect
  19. NC: No connect
  20. NC: No connect
  21. NC: No connect
  22. NC: No connect
  23. NC: No connect
  24. NC: No connect

Functional Features

  • High-efficiency Class D operation for power savings
  • Low total harmonic distortion for high-quality audio reproduction
  • Shutdown control for power management
  • Thermal and short-circuit protection for device safety
  • Wide supply voltage range for versatile applications

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Compact package size allows for space-saving designs - Excellent audio quality with low distortion and high signal-to-noise ratio - Versatile supply voltage range enables compatibility with various systems

Disadvantages: - Limited output power compared to some other audio amplifiers - Requires external components for proper operation - Sensitive to electromagnetic interference (EMI) due to high-frequency switching

Working Principles

The MAX9768BETG/V+T is a Class D audio amplifier that utilizes pulse-width modulation (PWM) to achieve high efficiency. It operates by rapidly switching the audio signal on and off, allowing for efficient power delivery to the speaker. The input audio signal is amplified and filtered before being converted into a PWM signal. This PWM signal is then used to drive the output stage, which delivers the amplified audio signal to the connected speaker.

Detailed Application Field Plans

The MAX9768BETG/V+T is suitable for a wide range of audio amplification applications, including:

  1. Portable speakers: Provides high-quality audio amplification for portable speaker systems.
  2. Automotive audio systems: Enhances the audio performance in car audio systems.
  3. Home theater systems: Delivers powerful and clear audio for home theater setups.
  4. Gaming consoles: Amplifies the audio output for an immersive gaming experience.
  5. Professional audio equipment: Used in audio mixers, amplifiers, and other professional audio devices.

Detailed and Complete Alternative Models

  1. TPA3116D2: A popular alternative with similar specifications and features.
  2. TAS5630: Offers higher output power and advanced protection features.
  3. STA516B: Provides a balanced audio input and high efficiency.

These alternative models can be considered based on specific requirements and application needs.

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Énumérez 10 questions et réponses courantes liées à l'application de MAX9768BETG/V+T dans les solutions techniques

  1. Question: What is the maximum input voltage for MAX9768BETG/V+T?
    Answer: The maximum input voltage for MAX9768BETG/V+T is 17V.

  2. Question: What is the typical output power of MAX9768BETG/V+T?
    Answer: The typical output power of MAX9768BETG/V+T is 10W into 8Ω.

  3. Question: Can MAX9768BETG/V+T operate with a single supply voltage?
    Answer: Yes, MAX9768BETG/V+T can operate with a single supply voltage ranging from 8V to 17V.

  4. Question: What is the efficiency of MAX9768BETG/V+T at full load?
    Answer: The efficiency of MAX9768BETG/V+T at full load is typically 88%.

  5. Question: Does MAX9768BETG/V+T have built-in thermal shutdown protection?
    Answer: Yes, MAX9768BETG/V+T features built-in thermal shutdown protection.

  6. Question: What is the recommended operating temperature range for MAX9768BETG/V+T?
    Answer: The recommended operating temperature range for MAX9768BETG/V+T is -40°C to +85°C.

  7. Question: Can MAX9768BETG/V+T be used in automotive applications?
    Answer: Yes, MAX9768BETG/V+T is suitable for automotive applications.

  8. Question: What is the quiescent current of MAX9768BETG/V+T?
    Answer: The quiescent current of MAX9768BETG/V+T is typically 12mA.

  9. Question: Is MAX9768BETG/V+T compatible with digital audio interfaces?
    Answer: Yes, MAX9768BETG/V+T is compatible with digital audio interfaces such as I2S and TDM.

  10. Question: Can MAX9768BETG/V+T be used in portable battery-powered devices?
    Answer: Yes, MAX9768BETG/V+T is suitable for use in portable battery-powered devices due to its low standby current and wide supply voltage range.