Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
MAX9750CETI+

MAX9750CETI+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX9750CETI+ belongs to the category of integrated audio amplifiers.

Use

It is primarily used for audio amplification in various electronic devices such as smartphones, tablets, laptops, and portable audio players.

Characteristics

  • High-quality audio amplification
  • Compact size
  • Low power consumption
  • Wide input voltage range
  • Thermal and short-circuit protection

Package

The MAX9750CETI+ is available in a small-sized package, typically a 28-pin TQFN (Thin Quad Flat No-Lead) package.

Essence

The essence of the MAX9750CETI+ lies in its ability to provide efficient and high-quality audio amplification in a compact form factor.

Packaging/Quantity

This product is usually packaged in reels or tubes, with a typical quantity of 250 units per reel/tube.

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Output Power: Up to 3W per channel
  • Total Harmonic Distortion + Noise (THD+N): <0.1%
  • Signal-to-Noise Ratio (SNR): >90dB
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9750CETI+ has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. GND - Ground reference
  3. SD - Shutdown control input
  4. INL - Left channel audio input
  5. INR - Right channel audio input
  6. BYP - Bypass capacitor connection
  7. AGND - Analog ground reference
  8. OUTL - Left channel audio output
  9. OUTR - Right channel audio output
  10. VDD - Power supply voltage
  11. GND - Ground reference
  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

Functional Features

  • Single-supply operation
  • Class D amplifier architecture
  • Integrated volume control
  • Short-circuit and thermal protection
  • Low quiescent current

Advantages and Disadvantages

Advantages

  • High-quality audio amplification
  • Compact size for space-constrained applications
  • Low power consumption for improved battery life
  • Wide input voltage range for compatibility with various audio sources
  • Built-in protection features for enhanced reliability

Disadvantages

  • Limited output power compared to larger audio amplifiers
  • May require additional external components for optimal performance

Working Principles

The MAX9750CETI+ utilizes a Class D amplifier architecture, which efficiently converts the incoming audio signal into a high-power amplified output. It operates by rapidly switching the audio signal on and off, using pulse-width modulation (PWM) techniques. This allows for minimal power dissipation and high energy efficiency.

Detailed Application Field Plans

The MAX9750CETI+ finds application in a wide range of electronic devices requiring audio amplification. Some specific application fields include:

  1. Mobile phones and smartphones
  2. Tablets and laptops
  3. Portable audio players
  4. Bluetooth speakers
  5. Gaming consoles
  6. Automotive audio systems

Detailed and Complete Alternative Models

  1. MAX9744 - Similar audio amplifier with higher output power capability.
  2. MAX98357A - Integrated audio amplifier with built-in digital-to-analog converter (DAC).
  3. TPA3116D2 - Class D audio amplifier with advanced features and higher output power.

These alternative models offer similar functionality to the MAX9750CETI+ and can be considered as alternatives based on specific requirements.

In conclusion, the MAX9750CETI+ is a compact and efficient integrated audio amplifier that provides high-quality audio amplification for various electronic devices. Its wide input voltage range, low power consumption, and built-in protection features make it a versatile choice for audio amplification applications.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX9750CETI+ v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX9750CETI+ in technical solutions:

  1. Q: What is the MAX9750CETI+? A: The MAX9750CETI+ is a high-power Class D audio amplifier IC designed for audio applications.

  2. Q: What is the maximum power output of the MAX9750CETI+? A: The MAX9750CETI+ can deliver up to 20W per channel into an 8-ohm load.

  3. Q: Can the MAX9750CETI+ be used in portable devices? A: Yes, the MAX9750CETI+ is suitable for use in portable devices due to its low power consumption and small form factor.

  4. Q: Does the MAX9750CETI+ require external components for operation? A: Yes, the MAX9750CETI+ requires a few external components such as input coupling capacitors, feedback resistors, and output filters.

  5. Q: What is the supply voltage range for the MAX9750CETI+? A: The MAX9750CETI+ operates from a single supply voltage ranging from 4.5V to 14V.

  6. Q: Can the MAX9750CETI+ drive both speakers and headphones? A: Yes, the MAX9750CETI+ can drive both speakers and headphones with appropriate impedance matching.

  7. Q: Is the MAX9750CETI+ capable of stereo or mono operation? A: The MAX9750CETI+ can operate in both stereo and mono modes, depending on the application requirements.

  8. Q: Does the MAX9750CETI+ have built-in thermal protection? A: Yes, the MAX9750CETI+ includes thermal shutdown circuitry to protect against excessive temperature.

  9. Q: Can the MAX9750CETI+ be used in automotive applications? A: Yes, the MAX9750CETI+ is suitable for automotive applications as it can operate over a wide temperature range and has built-in EMI suppression features.

  10. Q: What are some typical applications of the MAX9750CETI+? A: The MAX9750CETI+ can be used in various audio systems such as portable speakers, gaming consoles, home theater systems, and automotive infotainment systems.

Please note that these answers are general and may vary depending on specific design considerations and requirements.