Maxim Integrated
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MAX9736AETJ/V+T
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MAX9736AETJ/V+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: High Efficiency, Class D Amplifier
  • Package: 32-Pin TQFN (Thin Quad Flat No-Lead)
  • Essence: Power Amplification for Audio Signals
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 28V
  • Output Power: Up to 20W per channel
  • Efficiency: Up to 92%
  • Total Harmonic Distortion + Noise (THD+N): 0.03% at 1kHz, 1W into 8Ω
  • Signal-to-Noise Ratio (SNR): 100dB
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9736AETJ/V+T has a total of 32 pins. The pin configuration is as follows:

  1. INL-: Negative Input for Left Channel
  2. INL+: Positive Input for Left Channel
  3. GND: Ground
  4. PVDD: Positive Power Supply for the Amplifier
  5. VDD: Positive Power Supply for the Control Circuitry
  6. BST: Bootstrap Capacitor Connection for High-Side MOSFETs
  7. OUTL: Output for Left Channel
  8. NC: No Connection
  9. NC: No Connection
  10. NC: No Connection
  11. NC: No Connection
  12. NC: No Connection
  13. NC: No Connection
  14. NC: No Connection
  15. NC: No Connection
  16. NC: No Connection
  17. NC: No Connection
  18. NC: No Connection
  19. NC: No Connection
  20. NC: No Connection
  21. NC: No Connection
  22. NC: No Connection
  23. NC: No Connection
  24. NC: No Connection
  25. NC: No Connection
  26. NC: No Connection
  27. NC: No Connection
  28. NC: No Connection
  29. NC: No Connection
  30. NC: No Connection
  31. INR+: Positive Input for Right Channel
  32. INR-: Negative Input for Right Channel

Functional Features

  • High Efficiency Class D Amplifier: The MAX9736AETJ/V+T is designed to provide high power amplification while minimizing power losses, resulting in improved energy efficiency.
  • Low Total Harmonic Distortion + Noise (THD+N): With a THD+N of only 0.03% at 1kHz and 1W into 8Ω, this amplifier ensures accurate reproduction of audio signals with minimal distortion.
  • Wide Supply Voltage Range: The amplifier can operate within a wide supply voltage range of 4.5V to 28V, making it suitable for various audio applications.
  • Thermal and Overcurrent Protection: The device incorporates thermal shutdown and overcurrent protection features to safeguard against excessive heat and current.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption and heat dissipation. - Low distortion ensures faithful reproduction of audio signals. - Wide supply voltage range allows for versatile application. - Integrated thermal and overcurrent protection enhance reliability.

Disadvantages: - Limited output power compared to some higher-powered amplifiers. - Requires careful consideration of PCB layout and grounding for optimal performance.

Working Principles

The MAX9736AETJ/V+T is a Class D amplifier that utilizes pulse-width modulation (PWM) techniques to amplify audio signals efficiently. It consists of a control circuitry and power stage. The control circuitry generates the PWM signal based on the input audio, while the power stage amplifies the PWM signal to drive the speakers. The high efficiency of Class D amplifiers is achieved by rapidly switching the output transistors between fully on and fully off states, minimizing power losses.

Detailed Application Field Plans

The MAX9736AETJ/V+T is suitable for a wide range of audio applications, including:

  1. Portable Bluetooth Speakers: The amplifier's high efficiency and low power consumption make it ideal for battery-powered portable speakers.
  2. Home Theater Systems: The amplifier can be used to drive speakers in home theater setups, providing high-quality audio reproduction.
  3. Automotive Audio Systems: Its wide supply voltage range and thermal protection features make it suitable for automotive audio applications.
  4. Professional Audio Equipment: The amplifier can be integrated into professional audio equipment such as mixers, amplifiers, and powered speakers.

Detailed and Complete Alternative Models

  1. TPA3116D2: A popular alternative with similar specifications and performance.
  2. TAS5630: Another Class D amplifier offering high efficiency and low distortion.
  3. STA516B: A versatile audio amplifier with a

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX9736AETJ/V+T v technických řešeních

  1. What is the maximum input voltage for MAX9736AETJ/V+T?
    - The maximum input voltage for MAX9736AETJ/V+T is 17V.

  2. What is the typical output power of MAX9736AETJ/V+T?
    - The typical output power of MAX9736AETJ/V+T is 3.2W into 4Ω at 10% THD+N.

  3. What is the recommended operating temperature range for MAX9736AETJ/V+T?
    - The recommended operating temperature range for MAX9736AETJ/V+T is -40°C to +85°C.

  4. Can MAX9736AETJ/V+T be used in battery-powered applications?
    - Yes, MAX9736AETJ/V+T can be used in battery-powered applications as it has a low quiescent current.

  5. What is the typical efficiency of MAX9736AETJ/V+T?
    - The typical efficiency of MAX9736AETJ/V+T is 88% at 1W into 8Ω.

  6. Does MAX9736AETJ/V+T require external compensation?
    - No, MAX9736AETJ/V+T does not require external compensation.

  7. What is the supply voltage range for MAX9736AETJ/V+T?
    - The supply voltage range for MAX9736AETJ/V+T is 2.7V to 5.5V.

  8. Is MAX9736AETJ/V+T suitable for portable audio applications?
    - Yes, MAX9736AETJ/V+T is suitable for portable audio applications due to its low power consumption and small footprint.

  9. Can MAX9736AETJ/V+T be used in automotive infotainment systems?
    - Yes, MAX9736AETJ/V+T can be used in automotive infotainment systems as it meets automotive quality and reliability standards.

  10. What is the package type for MAX9736AETJ/V+T?
    - MAX9736AETJ/V+T is available in a 32-pin TQFN package.