Maxim Integrated
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MAX9728AEUD+T
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MAX9728AEUD+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Audio Amplifier
  • Characteristics: High-performance, low-power stereo audio amplifier
  • Package: 14-TSSOP (Thin Shrink Small Outline Package)
  • Essence: Amplifies audio signals for various applications
  • 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: 87% at 1.2W output power
  • Shutdown Current: <1µA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9728AEUD+T has a 14-pin TSSOP package with the following pin configuration:

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

Functional Features

  • Low quiescent current consumption for power efficiency
  • Wide supply voltage range for flexibility in different applications
  • High output power capability for driving various loads
  • Low total harmonic distortion for high-quality audio reproduction
  • Shutdown control for power-saving when not in use

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low-power consumption - Wide supply voltage range - Small package size for space-constrained designs

Disadvantages: - Limited output power compared to higher wattage amplifiers - No built-in volume control or equalization features

Working Principles

The MAX9728AEUD+T is a stereo audio amplifier that operates by amplifying the input audio signals received on the INL and INR pins. The amplified audio signals are then outputted through the OUTL and OUTR pins. The amplifier can be controlled using the SHDN pin, which allows for power-saving when the device is not in use.

Detailed Application Field Plans

The MAX9728AEUD+T can be used in various applications, including but not limited to: - Portable audio devices - Headphone amplifiers - Multimedia systems - Gaming consoles - Automotive audio systems

Alternative Models

Here are some alternative models that offer similar functionality to the MAX9728AEUD+T:

  1. TPA3116D2: Class D audio amplifier with integrated volume control
  2. LM386: Low-power audio amplifier with adjustable gain
  3. STA540: Dual/quad power amplifier for audio applications
  4. TDA7297: Dual bridge amplifier for stereo applications

These alternative models provide different features and specifications, allowing designers to choose the most suitable option for their specific requirements.

In conclusion, the MAX9728AEUD+T is a high-performance, low-power stereo audio amplifier that offers excellent audio amplification capabilities. With its small package size and wide supply voltage range, it is well-suited for various audio applications. However, it has limitations in terms of output power and lacks built-in volume control or equalization features. Designers can consider alternative models based on their specific needs and preferences.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX9728AEUD+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX9728AEUD+T in technical solutions:

  1. Q: What is the MAX9728AEUD+T? A: The MAX9728AEUD+T is a stereo audio amplifier IC designed for portable devices such as smartphones, tablets, and portable media players.

  2. Q: What is the maximum output power of the MAX9728AEUD+T? A: The MAX9728AEUD+T can deliver up to 2.5W per channel into an 8-ohm load.

  3. Q: Can the MAX9728AEUD+T operate from a single power supply? A: Yes, the MAX9728AEUD+T can operate from a single power supply ranging from 2.7V to 5.5V.

  4. Q: Does the MAX9728AEUD+T require any external components? A: Yes, the MAX9728AEUD+T requires a few external components such as input coupling capacitors, feedback resistors, and output coupling capacitors.

  5. Q: What is the input voltage range of the MAX9728AEUD+T? A: The MAX9728AEUD+T has an input voltage range of -0.3V to VDD + 0.3V.

  6. Q: Can the MAX9728AEUD+T be used with headphones? A: Yes, the MAX9728AEUD+T can be used with headphones as it supports both line-level and headphone-level outputs.

  7. Q: Does the MAX9728AEUD+T have any thermal protection features? A: Yes, the MAX9728AEUD+T includes thermal shutdown and current limit protection to prevent damage from excessive heat or current.

  8. Q: Can the MAX9728AEUD+T be used in battery-powered applications? A: Yes, the low quiescent current and wide operating voltage range make the MAX9728AEUD+T suitable for battery-powered applications.

  9. Q: Does the MAX9728AEUD+T have any built-in audio processing features? A: No, the MAX9728AEUD+T is a basic audio amplifier without any built-in audio processing features.

  10. Q: What package does the MAX9728AEUD+T come in? A: The MAX9728AEUD+T is available in a 14-pin TDFN (3mm x 3mm) package.

Please note that these answers are based on general information about the MAX9728AEUD+T and may vary depending on specific application requirements.