Maxim Integrated
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MAX9791CETI+
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MAX9791CETI+

Product Overview

The MAX9791CETI+ belongs to the category of audio amplifiers and is commonly used in electronic devices such as smartphones, tablets, and portable audio players. It is characterized by its compact package, high efficiency, and low power consumption. The essence of MAX9791CETI+ lies in its ability to deliver high-quality audio output while minimizing power usage. The package consists of a small outline integrated circuit (SOIC) with a quantity of 250 units per reel.

Specifications

  • Power Supply Voltage: 2.7V to 5.5V
  • Output Power: 3.2W at 3Ω, 10% THD+N
  • Efficiency: Up to 88%
  • Package Type: SOIC
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9791CETI+ features a 28-pin SOIC package with the following pin configuration: 1. INP- 2. INP+ 3. VDD 4. GND 5. BYPASS 6. SHDN 7. MODE 8. MCLK 9. LRCK 10. BCLK 11. SDIN 12. SDOUT 13. GAIN0 14. GAIN1 15. GAIN2 16. GAIN3 17. GAIN4 18. GAIN5 19. GAIN6 20. GAIN7 21. OUT- 22. OUT+ 23. VDD 24. GND 25. AGND 26. AGND 27. AGND 28. AGND

Functional Features

  • Integrated DirectDrive® headphone amplifier
  • Programmable gain settings
  • Low quiescent current
  • Short-circuit and thermal-overload protection

Advantages and Disadvantages

Advantages

  • High efficiency
  • Compact package
  • Low power consumption
  • Integrated headphone amplifier

Disadvantages

  • Limited output power compared to higher wattage amplifiers
  • Limited operating temperature range

Working Principles

The MAX9791CETI+ operates by receiving an input audio signal and amplifying it to drive speakers or headphones. It utilizes programmable gain settings to adjust the amplification level based on the input signal and user preferences. The integrated DirectDrive® headphone amplifier ensures high-quality audio output for headphone applications.

Detailed Application Field Plans

The MAX9791CETI+ is well-suited for various portable electronic devices, including: - Smartphones - Tablets - Portable audio players - Bluetooth speakers - Wearable devices

Detailed and Complete Alternative Models

Some alternative models to MAX9791CETI+ include: - MAX98357AETE+ - TPA2016D2 - LM4863

In conclusion, the MAX9791CETI+ is a versatile audio amplifier suitable for portable electronic devices, offering high efficiency and low power consumption. Its integrated features and compact package make it an ideal choice for modern audio applications.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של MAX9791CETI+ בפתרונות טכניים

  1. What is the MAX9791CETI+?

    • The MAX9791CETI+ is a high-performance, digital input, Class D amplifier with integrated volume control and dynamic range compression.

  2. What is the maximum output power of the MAX9791CETI+?

    • The MAX9791CETI+ can deliver up to 3.2W per channel into an 8Ω load at a 5V supply.

  3. What are the typical applications of the MAX9791CETI+?

    • The MAX9791CETI+ is commonly used in portable audio devices, LCD monitors, and other applications where high-quality audio amplification is required.

  4. What is the input voltage range for the MAX9791CETI+?

    • The input voltage range for the MAX9791CETI+ is typically between 2.7V and 5.5V.

  5. Does the MAX9791CETI+ have built-in thermal protection?

    • Yes, the MAX9791CETI+ features built-in thermal overload protection to prevent damage from excessive heat.

  6. Can the MAX9791CETI+ be used in stereo or mono configurations?

    • Yes, the MAX9791CETI+ can be configured for stereo or mono operation, providing flexibility for different system designs.

  7. What is the interface for controlling the MAX9791CETI+?

    • The MAX9791CETI+ can be controlled via an I2C interface, allowing for easy integration with microcontrollers and digital signal processors.

  8. Does the MAX9791CETI+ support external volume control?

    • Yes, the MAX9791CETI+ supports external volume control through its integrated volume control interface.

  9. Is the MAX9791CETI+ suitable for battery-powered devices?

    • Yes, the low power consumption and wide input voltage range make the MAX9791CETI+ well-suited for battery-powered applications.

  10. What are the key benefits of using the MAX9791CETI+ in technical solutions?

    • The MAX9791CETI+ offers high efficiency, low distortion, and a compact footprint, making it an ideal choice for demanding audio amplification requirements in various technical solutions.