MAX9726AETP+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX9726AETP+ belongs to the category of integrated audio amplifiers.

Use

This product is primarily used for audio amplification in various electronic devices such as smartphones, tablets, portable media players, and other consumer electronics.

Characteristics

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

Package

The MAX9726AETP+ is available in a small 20-pin TQFN package, which ensures easy integration into compact electronic devices.

Essence

The essence of the MAX9726AETP+ lies in its ability to provide high-quality audio amplification while consuming minimal power and occupying a small footprint.

Packaging/Quantity

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

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Power: Up to 1.2W
• Total Harmonic Distortion (THD+N): <0.1%
• Signal-to-Noise Ratio (SNR): >100dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9726AETP+ has a total of 20 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. INL+ - Left channel audio input
6. BYP - Bypass capacitor connection
7. OUTL - Left channel audio output
8. OUTL - Left channel audio output
9. VDD - Power supply voltage
10. GND - Ground reference
11. INR- - Right channel audio input
12. INR+ - Right channel audio input
13. BYP - Bypass capacitor connection
14. OUTR - Right channel audio output
15. OUTR - Right channel audio output
16. VDD - Power supply voltage
17. GND - Ground reference
18. NC - No connection
19. NC - No connection
20. SD - Shutdown control input

Functional Features

The MAX9726AETP+ offers several functional features that enhance its performance and usability:

1. Shutdown Control: The shutdown control input allows the amplifier to be turned on or off, conserving power when not in use.
2. Bypass Capacitor Connection: The bypass capacitor connection ensures stable operation and reduces noise interference.
3. Thermal and Short-Circuit Protection: This amplifier incorporates protection mechanisms to prevent damage from excessive heat or short-circuits.

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Low power consumption
• Compact size for easy integration
• Wide input voltage range for versatility
• Excellent signal-to-noise ratio for clear audio reproduction
• Thermal and short-circuit protection for enhanced durability

Disadvantages

• Limited output power compared to higher wattage amplifiers
• May require additional external components for optimal performance in certain applications

Working Principles

The MAX9726AETP+ operates based on the principle of amplifying audio signals using a class AB amplifier configuration. It takes the low-level audio input signals and amplifies them to a level suitable for driving speakers or headphones. The amplifier ensures minimal distortion and high fidelity audio reproduction.

Detailed Application Field Plans

The MAX9726AETP+ finds applications in various electronic devices where audio amplification is required. Some of the potential application fields include:

1. Smartphones and Tablets: Enhancing audio output for multimedia playback and voice calls.
2. Portable Media Players: Providing high-quality audio output for music and video playback.
3. Gaming Consoles: Amplifying game sound effects and background music for an immersive gaming experience.
4. Personal Audio Devices: Enabling clear and powerful audio output in headphones and earphones.

Detailed and Complete Alternative Models

1. MAX9726AE - Similar to MAX9726AETP+, but available in a different package (SOIC).
2. MAX9726B - Upgraded version with higher output power and additional features.
3. MAX9726C - Lower power variant suitable for battery-powered applications.
4. MAX9726D - Enhanced version with advanced noise cancellation capabilities.

These alternative models offer similar functionality to the MAX9726AETP+ but may vary in terms of package, specifications, or additional features.

In conclusion, the MAX9726AETP+ is a compact and efficient integrated audio amplifier that provides high-quality audio amplification for