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MAX9767ETJ+T
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MAX9767ETJ+T

Product Overview

  • Category: Audio Amplifier
  • Use: The MAX9767ETJ+T is a mono, 10W, filterless Class D audio power amplifier with volume control. It is designed to deliver high-quality sound in portable devices and other applications where space is limited.
  • Characteristics: This amplifier offers high efficiency, low distortion, and a small package size, making it ideal for compact audio systems.
  • Package: The MAX9767ETJ+T comes in a tiny 16-pin TQFN package, making it suitable for space-constrained designs.
  • Essence: This amplifier provides a balance of performance and size, making it an attractive choice for portable audio applications.
  • Packaging/Quantity: The MAX9767ETJ+T is typically available in reels of 2500 units.

Specifications

  • Power Supply Voltage Range: 2.7V to 5.5V
  • Output Power: 10W into 8Ω at 10% THD+N
  • Efficiency: Up to 88%
  • Signal-to-Noise Ratio (SNR): 106dB
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9767ETJ+T features the following pin configuration: 1. SHDN (Shutdown) 2. VDD (Power Supply) 3. GND (Ground) 4. IN+ (Positive Input) 5. IN- (Negative Input) 6. VREF (Reference Voltage) 7. AGND (Analog Ground) 8. OUT (Speaker Output)

Functional Features

  • Volume Control: The MAX9767ETJ+T includes a digital volume control feature, allowing for easy adjustment of audio output levels.
  • Filterless Operation: This amplifier operates without the need for external output filters, simplifying the design and reducing component count.
  • Short-Circuit Protection: Integrated short-circuit and thermal-overload protection ensure the safety and reliability of the amplifier and connected components.

Advantages and Disadvantages

Advantages

  • High efficiency
  • Small package size
  • Integrated volume control
  • Filterless operation

Disadvantages

  • Limited output power compared to some larger amplifiers
  • Requires careful PCB layout to minimize noise and interference

Working Principles

The MAX9767ETJ+T utilizes Class D amplifier technology, which achieves high efficiency by rapidly switching the output transistors between fully on and fully off states. This approach minimizes power dissipation and heat generation while delivering high-quality audio output.

Detailed Application Field Plans

The MAX9767ETJ+T is well-suited for a range of portable and space-constrained audio applications, including: - Portable Bluetooth speakers - Headphone amplifiers - Compact audio systems for mobile devices - Automotive infotainment systems

Detailed and Complete Alternative Models

  • MAX98306: A similar mono Class D amplifier with integrated volume control and filterless operation.
  • TPA3116D2: A stereo Class D amplifier offering higher output power and flexibility for larger audio systems.

In conclusion, the MAX9767ETJ+T offers a compelling combination of performance and size for compact audio applications, making it a valuable choice for designers seeking high-quality audio amplification in constrained spaces.

Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem MAX9767ETJ+T w rozwiązaniach technicznych

  1. What is the MAX9767ETJ+T?

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

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

    • The MAX9767ETJ+T 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+T?

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

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

    • The MAX9767ETJ+T features an integrated digital volume control that allows for precise adjustment of the audio level.

  5. What is dynamic range compression in the context of the MAX9767ETJ+T?

    • Dynamic range compression in the MAX9767ETJ+T helps to maintain consistent audio levels by reducing the difference between loud and soft sounds.

  6. Can the MAX9767ETJ+T be used in automotive applications?

    • Yes, the MAX9767ETJ+T is suitable for automotive audio systems due to its wide input voltage range and high-power output capabilities.

  7. Does the MAX9767ETJ+T require external heat sinking?

    • The MAX9767ETJ+T has a thermal shutdown feature and does not typically require external heat sinking under normal operating conditions.

  8. What are the typical applications for the MAX9767ETJ+T?

    • The MAX9767ETJ+T is commonly used in portable speakers, gaming headsets, and other audio amplification solutions.

  9. What is the efficiency of the MAX9767ETJ+T?

    • The MAX9767ETJ+T offers high efficiency, making it suitable for battery-powered applications where power consumption is a concern.

  10. Is there a recommended layout for integrating the MAX9767ETJ+T into a PCB design?

    • Yes, Maxim Integrated provides a recommended layout and application circuit in the MAX9767ETJ+T datasheet to ensure optimal performance and reliability.