MAX9717AEUA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX9717AEUA+ belongs to the category of integrated audio amplifiers.

Use

This product is primarily used for amplifying audio signals in various electronic devices.

Characteristics

• Integrated audio amplifier with high efficiency and low distortion.
• Compact package design for space-constrained applications.
• Wide input voltage range for compatibility with different audio sources.
• Built-in thermal and short-circuit protection for enhanced reliability.

Package

The MAX9717AEUA+ is available in a small 8-pin µMAX package.

Essence

The essence of the MAX9717AEUA+ lies in its ability to provide efficient and high-quality audio amplification in a compact form factor.

Packaging/Quantity

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

Specifications

• Supply Voltage Range: 4.5V to 28V
• Output Power: Up to 2.8W
• Total Harmonic Distortion (THD+N): <0.1%
• Efficiency: >90%
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9717AEUA+ features the following pin configuration:

Pin 1: IN- Pin 2: IN+ Pin 3: SHDN Pin 4: GND Pin 5: VDD Pin 6: OUT Pin 7: FB Pin 8: BYP

Functional Features

• High-efficiency Class D operation for reduced power consumption.
• Low-distortion audio amplification for improved sound quality.
• Shutdown mode for power-saving when not in use.
• Thermal and short-circuit protection for increased reliability.
• External bypass capacitor for enhanced stability.

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption.
• Compact package allows for space-constrained applications.
• Low distortion ensures high-quality audio reproduction.
• Built-in protection features enhance reliability.

Disadvantages

• Limited output power compared to higher wattage amplifiers.
• Requires an external bypass capacitor for optimal performance.

Working Principles

The MAX9717AEUA+ operates on the principle of Class D amplification. It utilizes pulse-width modulation (PWM) to convert the input audio signal into a series of high-frequency pulses. These pulses are then amplified by the internal power stage and filtered to reconstruct the original audio waveform. The high efficiency of Class D amplifiers is achieved by minimizing power dissipation during the amplification process.

Detailed Application Field Plans

The MAX9717AEUA+ finds applications in various electronic devices, including: 1. Portable audio players 2. Mobile phones 3. Tablets and laptops 4. Home theater systems 5. Automotive audio systems

Detailed and Complete Alternative Models

1. MAX9718AETB+: Similar to MAX9717AEUA+, but with higher output power capability.
2. MAX98357AETE+T: Integrated audio amplifier with digital audio interface.
3. TPA3116D2PWPR: Class D audio amplifier with higher output power and advanced features.

These alternative models offer different specifications and features, providing options for specific application requirements.

In conclusion, the MAX9717AEUA+ is a compact and efficient integrated audio amplifier suitable for a wide range of electronic devices. Its high-quality audio amplification, built-in protection features, and compatibility with various audio sources make it a versatile choice for audio system designers.

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