MAX9719DETE+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX9719DETE+ belongs to the category of integrated audio amplifiers.

Use

This product is primarily used for amplifying audio signals in various electronic devices such as portable speakers, headphones, and audio systems.

Characteristics

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

Package

The MAX9719DETE+ is available in a small 16-pin TQFN package, which ensures easy integration into different circuit designs.

Essence

The essence of the MAX9719DETE+ lies in its ability to provide efficient and high-fidelity audio amplification while consuming minimal power.

Packaging/Quantity

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

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 3W
• Total Harmonic Distortion (THD): <0.1%
• Efficiency: >85%
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX9719DETE+ features the following pin configuration:

1. VDD - Power supply input
2. GND - Ground reference
3. SHDN - Shutdown control input
4. IN+ - Positive audio input
5. IN- - Negative audio input
6. OUT+ - Positive audio output
7. OUT- - Negative audio output
8. BIAS - Internal bias voltage output
9. BYP - Bypass capacitor connection
10. FB - Feedback resistor connection
11. NC - No connection
12. NC - No connection
13. NC - No connection
14. NC - No connection
15. NC - No connection
16. NC - No connection

Functional Features

• Single-supply operation
• Class D amplifier architecture
• Built-in thermal and short-circuit protection
• Low quiescent current
• Pop-and-click suppression during power-up and shutdown

Advantages and Disadvantages

Advantages

• High-quality audio amplification
• Low power consumption
• Compact size for easy integration
• Wide input voltage range for versatility
• Thermal and short-circuit protection for enhanced reliability

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires additional external components for optimal performance

Working Principles

The MAX9719DETE+ utilizes a Class D amplifier architecture, which efficiently converts the audio signal into a high-power pulse-width modulated (PWM) signal. This PWM signal is then filtered and amplified to produce the desired audio output. The amplifier operates on a single supply voltage, making it suitable for portable and low-power applications.

Detailed Application Field Plans

The MAX9719DETE+ finds application in various electronic devices, including: 1. Portable speakers 2. Headphones 3. Audio systems 4. Automotive audio systems 5. Home theater systems 6. Gaming consoles

Detailed and Complete Alternative Models

1. TPA3116D2 - Texas Instruments
2. STA540 - STMicroelectronics
3. LM386 - Texas Instruments
4. PAM8403 - Diodes Incorporated
5. TDA7297 - STMicroelectronics
6. TAS5630 - Texas Instruments

These alternative models offer similar functionality and can be considered as alternatives to the MAX9719DETE+ based on specific requirements and design considerations.

In conclusion, the MAX9719DETE+ is an integrated audio amplifier that provides high-quality audio amplification with low power consumption. Its compact size, wide input voltage range, and built-in protection features make it suitable for various applications in the consumer electronics industry.