Maxim Integrated
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MAX9723CETE+T
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MAX9723CETE+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: High-performance, low-power stereo audio amplifier
  • Package: 16-pin TQFN (Thin Quad Flat No-Lead) 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: Up to 1.2W per channel into 8Ω load
  • Total Harmonic Distortion + Noise (THD+N): 0.03% at 1kHz, 0.15W output power
  • Signal-to-Noise Ratio (SNR): 100dB at 1kHz, 0.15W output power
  • Shutdown Current: 0.01μA (typical)
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9723CETE+T has a 16-pin TQFN package with the following pin configuration:

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

Functional Features

  • High efficiency and low quiescent current for extended battery life
  • Wide supply voltage range allows compatibility with various power sources
  • Thermal and short-circuit protection ensures safe operation
  • Integrated click-and-pop suppression circuitry for improved audio quality
  • Flexible shutdown control for power management

Advantages and Disadvantages

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

Disadvantages: - Limited output power compared to higher wattage amplifiers - Not suitable for high-power audio applications

Working Principles

The MAX9723CETE+T is a stereo audio amplifier that operates by amplifying the input audio signals received from the left and right channels. It utilizes a class AB amplifier architecture to provide high-quality audio amplification with low distortion and noise. The amplifier can be controlled using the shutdown input pin, allowing for power management and energy savings.

Detailed Application Field Plans

The MAX9723CETE+T is commonly used in various audio applications, including:

  1. Portable Audio Devices: Provides amplified audio output for smartphones, tablets, and portable media players.
  2. Headphone Amplifiers: Enhances the audio performance of headphones and earphones.
  3. Multimedia Systems: Amplifies audio signals in multimedia devices such as laptops, televisions, and gaming consoles.
  4. Automotive Audio Systems: Improves the audio quality in car audio systems.

Alternative Models

Here are some alternative models that offer similar functionality:

  1. TPA3116D2: A high-performance audio amplifier with integrated digital-to-analog converter (DAC).
  2. LM386: A low-power audio amplifier suitable for small-scale applications.
  3. TDA7498E: A high-power audio amplifier designed for demanding audio systems.

These alternative models can be considered based on specific requirements and application needs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX9723CETE+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX9723CETE+T in technical solutions:

  1. Q: What is the MAX9723CETE+T? A: The MAX9723CETE+T is a high-power, stereo headphone amplifier designed for portable audio devices.

  2. Q: What is the maximum output power of the MAX9723CETE+T? A: The MAX9723CETE+T can deliver up to 150mW per channel into a 32-ohm load.

  3. Q: Can the MAX9723CETE+T operate from a single supply voltage? A: Yes, the MAX9723CETE+T can operate from a single supply voltage ranging from 2.7V to 5.5V.

  4. Q: Does the MAX9723CETE+T have built-in thermal protection? A: Yes, the MAX9723CETE+T includes thermal shutdown circuitry to protect against overheating.

  5. Q: Can the MAX9723CETE+T be used with both analog and digital audio sources? A: Yes, the MAX9723CETE+T can accept both analog and digital audio inputs.

  6. Q: What is the typical total harmonic distortion (THD) of the MAX9723CETE+T? A: The typical THD of the MAX9723CETE+T is less than 0.01% at 1kHz.

  7. Q: Is the MAX9723CETE+T suitable for battery-powered applications? A: Yes, the low quiescent current and wide supply voltage range make the MAX9723CETE+T suitable for battery-powered devices.

  8. Q: Can the MAX9723CETE+T drive low-impedance headphones? A: Yes, the MAX9723CETE+T can drive headphones with impedance as low as 16 ohms.

  9. Q: Does the MAX9723CETE+T have any protection features for short-circuit conditions? A: Yes, the MAX9723CETE+T includes short-circuit and thermal overload protection.

  10. Q: What is the package type of the MAX9723CETE+T? A: The MAX9723CETE+T is available in a 16-pin TQFN package.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.