Maxim Integrated
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MAX9767ETJ+
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MAX9767ETJ+

Product Overview

  • Category: Audio Amplifier
  • Use: The MAX9767ETJ+ is a mono Class D audio power amplifier designed for use in portable devices, such as smartphones, tablets, and portable speakers.
  • Characteristics: It features high efficiency, low quiescent current, and a small package size, making it ideal for battery-powered applications. The device comes in a compact 32-pin TQFN package.
  • Packaging/Quantity: The MAX9767ETJ+ is available in a 32-pin TQFN package.

Specifications

  • Power Supply Voltage: 2.7V to 5.5V
  • Output Power: Up to 3.2W into 4Ω at 5V supply
  • Efficiency: Up to 88%
  • Quiescent Current: 14µA (typical)
  • Package Type: 32-pin TQFN

Detailed Pin Configuration

The detailed pin configuration of the MAX9767ETJ+ can be found in the datasheet provided by the manufacturer.

Functional Features

  • Mono Class D Amplifier
  • Low Quiescent Current
  • Short-Circuit and Thermal Protection
  • Integrated Spread-Spectrum Modulation for EMI Reduction

Advantages and Disadvantages

Advantages: - High Efficiency - Low Quiescent Current - Small Package Size - Integrated Protection Features

Disadvantages: - Limited output power compared to some other amplifiers in its class - Requires careful PCB layout for optimal performance

Working Principles

The MAX9767ETJ+ operates on the principle of Class D amplification, where the input audio signal is converted into a series of pulses to drive the output stage efficiently. The integrated spread-spectrum modulation helps reduce electromagnetic interference (EMI) generated during operation.

Detailed Application Field Plans

The MAX9767ETJ+ is well-suited for various portable audio applications, including: - Smartphone and Tablet Speakers - Portable Bluetooth Speakers - Portable Gaming Devices - Personal Audio Players

Detailed and Complete Alternative Models

Some alternative models to the MAX9767ETJ+ include: - MAX98357A: Similar mono Class D audio amplifier with different package options - TPA3116D2: Higher power Class D amplifier suitable for larger speakers - LM386: Low-power audio amplifier for simpler applications

This concludes the entry for MAX9767ETJ+ in the English editing encyclopedia format.

Перечислите 10 распространенных вопросов и ответов, связанных с применением MAX9767ETJ+ в технических решениях.

  1. What is the MAX9767ETJ+?

    • The MAX9767ETJ+ is a high-power, mono Class D amplifier with integrated volume control and dynamic range compression.

  2. What is the maximum output power of the MAX9767ETJ+?

    • The MAX9767ETJ+ can deliver up to 20W into an 8Ω load or 40W into a 4Ω load.

  3. What is the input voltage range for the MAX9767ETJ+?

    • The input voltage range for the MAX9767ETJ+ is typically between 4.5V and 14V.

  4. How does the integrated volume control work in the MAX9767ETJ+?

    • The MAX9767ETJ+ features an integrated digital volume control that allows for precise adjustment of the audio level without the need for external components.

  5. Can the MAX9767ETJ+ be used in automotive applications?

    • Yes, the MAX9767ETJ+ is suitable for automotive applications, as it can operate over a wide supply voltage range and has built-in protection features.

  6. What is the efficiency of the MAX9767ETJ+?

    • The MAX9767ETJ+ offers high efficiency, typically above 85%, making it suitable for battery-powered applications.

  7. Does the MAX9767ETJ+ require external heat sinking?

    • The MAX9767ETJ+ does not require external heat sinking under normal operating conditions due to its high efficiency and thermal protection features.

  8. What are the key features of the MAX9767ETJ+ for audio applications?

    • The MAX9767ETJ+ offers low distortion, high signal-to-noise ratio, and integrated dynamic range compression, making it ideal for high-quality audio applications.

  9. Can the MAX9767ETJ+ be used in portable speaker designs?

    • Yes, the MAX9767ETJ+ is well-suited for portable speaker designs due to its high efficiency and low power consumption.

  10. Are there any application notes or reference designs available for the MAX9767ETJ+?

    • Yes, Maxim Integrated provides application notes and reference designs to help engineers implement the MAX9767ETJ+ in their technical solutions effectively.