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MAX9722BEUE+T
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MAX9722BEUE+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: High-performance, low-power stereo audio amplifier
  • Package: 16-pin TSSOP (Thin Shrink Small Outline Package)
  • Essence: Provides high-quality audio amplification in a compact form factor
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Output Power: 1.2W per channel into 8Ω load at 5V supply
  • Total Harmonic Distortion + Noise (THD+N): 0.04% at 1kHz, 1.2W output power
  • Efficiency: Up to 87%
  • Shutdown Current: <1µA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9722BEUE+T has a 16-pin TSSOP package with the following pin configuration:

  1. SHDN - Shutdown Input
  2. GND - Ground
  3. INL - Left Channel Input
  4. INR - Right Channel Input
  5. VDD - Positive Power Supply
  6. BYP - Bypass Capacitor Connection
  7. OUTL - Left Channel Output
  8. OUTR - Right Channel Output
  9. BST - Boost Capacitor Connection
  10. FB - Feedback Input
  11. NC - No Connect
  12. NC - No Connect
  13. NC - No Connect
  14. NC - No Connect
  15. NC - No Connect
  16. NC - No Connect

Functional Features

  • Low quiescent current consumption for power efficiency
  • Wide supply voltage range for flexibility in various applications
  • Thermal and short-circuit protection for enhanced reliability
  • Shutdown mode for power-saving when not in use
  • Bypass capacitor connection for improved audio performance

Advantages and Disadvantages

Advantages: - High-quality audio amplification - Low power consumption - Compact form factor - Wide supply voltage range

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external components for proper operation

Working Principles

The MAX9722BEUE+T is a stereo audio amplifier that operates by amplifying the input audio signals received from the left and right channels. It utilizes a boost converter to efficiently generate the required voltage levels for driving the speakers. The amplifier ensures high-quality audio reproduction with low distortion and noise.

Detailed Application Field Plans

The MAX9722BEUE+T finds applications in various audio-related fields, including but not limited to:

  1. Portable Audio Devices: Provides amplified audio output for smartphones, tablets, and portable media players.
  2. Headphone Amplifiers: Enhances the audio experience by driving headphones with increased power and clarity.
  3. Home Entertainment Systems: Amplifies audio signals for home theater systems, soundbars, and multimedia speakers.
  4. Automotive Audio Systems: Enables high-quality audio playback in car audio systems and infotainment units.
  5. Gaming Consoles: Enhances the gaming experience by providing amplified audio output for consoles and gaming accessories.

Detailed and Complete Alternative Models

  1. MAX9722AETE+: Similar to MAX9722BEUE+T, but available in a 16-pin TQFN (Thin Quad Flat No-Lead) package.
  2. MAX9722BETE+: Similar to MAX9722BEUE+T, but available in a 16-pin TQFN package.
  3. MAX9722CETE+: Similar to MAX9722BEUE+T, but optimized for lower power consumption.
  4. MAX9722DETE+: Similar to MAX9722BEUE+T, but optimized for higher output power.

These alternative models offer similar functionality and characteristics, providing options based on specific requirements and preferences.

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기술 솔루션에 MAX9722BEUE+T 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of MAX9722BEUE+T in technical solutions:

1. What is the MAX9722BEUE+T? The MAX9722BEUE+T is a high-performance stereo headphone amplifier with integrated volume control and shutdown feature.

2. What is the maximum output power of the MAX9722BEUE+T? The MAX9722BEUE+T can deliver up to 80mW per channel into a 16-ohm load.

3. Can the MAX9722BEUE+T operate from a single supply voltage? Yes, the MAX9722BEUE+T can operate from a single supply voltage ranging from 2.7V to 5.5V.

4. Does the MAX9722BEUE+T have short-circuit protection? Yes, the MAX9722BEUE+T has built-in short-circuit and thermal overload protection.

5. What is the input impedance of the MAX9722BEUE+T? The input impedance of the MAX9722BEUE+T is typically 20k ohms.

6. Can the MAX9722BEUE+T be used in portable audio devices? Yes, the low power consumption and small package size make the MAX9722BEUE+T suitable for portable audio applications.

7. Does the MAX9722BEUE+T support differential inputs? No, the MAX9722BEUE+T only supports single-ended inputs.

8. What is the typical total harmonic distortion (THD) of the MAX9722BEUE+T? The typical THD of the MAX9722BEUE+T is 0.01% at 1kHz.

9. Is the MAX9722BEUE+T compatible with both headphones and earphones? Yes, the MAX9722BEUE+T is compatible with a wide range of headphones and earphones.

10. Can the volume control of the MAX9722BEUE+T be controlled digitally? No, the volume control of the MAX9722BEUE+T is analog and can be adjusted using an external potentiometer.

Please note that these answers are based on general information about the MAX9722BEUE+T and may vary depending on specific application requirements.