Meixin Integrated
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MAX9722BETE+T
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MAX9722BETE+T

Product Overview

Category

The MAX9722BETE+T belongs to the category of audio amplifiers.

Use

It is used for amplifying audio signals in various electronic devices such as smartphones, tablets, and portable audio players.

Characteristics

  • High efficiency
  • Low distortion
  • Small package size
  • Low quiescent current

Package

The MAX9722BETE+T comes in a small 16-pin TQFN package.

Essence

The essence of MAX9722BETE+T lies in its ability to provide high-quality audio amplification in a compact form factor.

Packaging/Quantity

The MAX9722BETE+T is typically available in reels with a quantity of 2500 units per reel.

Specifications

  • Power Supply Voltage: 2.7V to 5.5V
  • Output Power: 1.4W per channel into 8Ω load at 5V supply
  • Total Harmonic Distortion + Noise (THD+N): 0.015% at 1kHz, 1.2W, 8Ω load
  • Quiescent Current: 3.6mA
  • Shutdown Current: 0.01μA

Detailed Pin Configuration

The MAX9722BETE+T has a detailed pin configuration with specific functions assigned to each pin. Please refer to the datasheet for the detailed pinout diagram.

Functional Features

  • Integrated DirectDrive® headphone amplifier
  • Short-circuit and thermal-overload protection
  • Click-and-pop suppression
  • Low-power shutdown mode

Advantages and Disadvantages

Advantages

  • High efficiency
  • Compact package size
  • Low distortion
  • Integrated headphone amplifier

Disadvantages

  • Limited output power compared to larger amplifiers
  • Sensitive to improper PCB layout and grounding

Working Principles

The MAX9722BETE+T operates by amplifying the input audio signal using a class D amplifier architecture, which provides high efficiency and low power consumption. The integrated headphone amplifier allows for direct drive of headphones without the need for external components.

Detailed Application Field Plans

The MAX9722BETE+T is well-suited for use in portable electronic devices where space and power efficiency are critical. It can be utilized in smartphones, tablets, portable audio players, and other battery-powered devices requiring audio amplification.

Detailed and Complete Alternative Models

Some alternative models to MAX9722BETE+T include: - MAX97220: Higher output power version - MAX98357A: Integrated digital input audio amplifier - TPA2016: Class D audio amplifier with similar features

In conclusion, the MAX9722BETE+T offers a compact and efficient solution for audio amplification in portable electronic devices, making it an ideal choice for applications where space and power constraints are paramount.

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10 سوال و پاسخ رایج مربوط به کاربرد MAX9722BETE+T در راه حل های فنی را فهرست کنید

  1. What is the MAX9722BETE+T?

    • The MAX9722BETE+T is a stereo DirectDrive headphone amplifier with integrated charge pump and adjustable input limiters.

  2. What is the typical application of MAX9722BETE+T?

    • The MAX9722BETE+T is commonly used in portable audio devices, smartphones, tablets, and other battery-powered applications to drive stereo headphones.

  3. What is the supply voltage range for MAX9722BETE+T?

    • The supply voltage range for MAX9722BETE+T is typically between 2.7V and 5.5V.

  4. What is the output power capability of MAX9722BETE+T?

    • The MAX9722BETE+T can deliver up to 80mW per channel into a 32Ω load.

  5. Does MAX9722BETE+T have short-circuit and thermal protection?

    • Yes, MAX9722BETE+T features short-circuit and thermal overload protection to safeguard the device and connected headphones.

  6. What are the key features of MAX9722BETE+T?

    • The key features of MAX9722BETE+T include low quiescent current, integrated charge pump, adjustable input limiters, and click-and-pop suppression.

  7. Can MAX9722BETE+T operate in a single-supply configuration?

    • Yes, MAX9722BETE+T can operate in a single-supply configuration, making it suitable for various portable and battery-powered applications.

  8. What is the typical total harmonic distortion (THD) of MAX9722BETE+T?

    • The typical THD of MAX9722BETE+T is around 0.01% at 1kHz.

  9. Does MAX9722BETE+T require external coupling capacitors?

    • No, MAX9722BETE+T does not require external coupling capacitors, simplifying the design and reducing component count.

  10. Is MAX9722BETE+T available in a small package for space-constrained designs?

    • Yes, MAX9722BETE+T is available in a small, space-saving TDFN package, making it suitable for compact applications.