MAX9717DETA+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power audio amplifier
• Package: TDFN-8 (Thin Dual Flat No-Lead) package
• Essence: Power-efficient audio amplification
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Power Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.4W into 8Ω load at 5V supply voltage
• Total Harmonic Distortion + Noise (THD+N): 0.06% (typical) at 1kHz, 1W output power
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9717DETA+ has the following pin configuration:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| IN SHDN|-- Pin 2: Shutdown Control Input --| OUT FB |-- Pin 3: Feedback Input --| BIAS EN |-- Pin 4: Bias Voltage Input --| OUT |-- Pin 5: Speaker Output --| IN- |-- Pin 6: Negative Input --| IN+ |-- Pin 7: Positive Input --|___________| ```

Functional Features

• High-efficiency Class D operation
• Low quiescent current consumption
• Short-circuit and thermal protection
• Pop-and-click suppression during power-up and shutdown
• Wide input voltage range for compatibility with various audio sources

Advantages

• Power-efficient design reduces energy consumption
• High-quality audio amplification with low distortion
• Compact TDFN-8 package allows for space-saving integration
• Shutdown control input enables power-saving mode when not in use

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires external components for proper operation and filtering

Working Principles

The MAX9717DETA+ is a Class D audio amplifier that utilizes pulse-width modulation (PWM) techniques to efficiently amplify audio signals. It operates by rapidly switching the speaker output between the supply voltage and ground, resulting in minimal power dissipation. The feedback loop ensures accurate reproduction of the input signal while minimizing distortion.

Detailed Application Field Plans

The MAX9717DETA+ is suitable for a wide range of applications, including: - Portable audio devices - Mobile phones and tablets - Multimedia systems - Gaming consoles - Personal computers - Automotive audio systems

Alternative Models

• MAX9716DETA+: Similar audio amplifier with lower output power capability
• MAX9718DETA+: Similar audio amplifier with higher output power capability
• MAX98357A: Audio amplifier with integrated digital-to-analog converter (DAC)

In conclusion, the MAX9717DETA+ is a high-performance, low-power audio amplifier designed for efficient audio amplification in various applications. Its compact package, low quiescent current, and high-quality sound make it an ideal choice for portable and multimedia devices.