MAX9718BEUB+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power audio amplifier
• Package: µMAX® (MicroMAX) 10-Pin, TDFN (Thin Dual Flat No-Lead) package
• Essence: The MAX9718BEUB+ is a compact and efficient audio amplifier designed for various audio applications.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Power Supply Voltage: 2.7V to 5.5V
• Output Power: Up to 1.4W into 8Ω speakers
• Total Harmonic Distortion + Noise (THD+N): 0.06% at 1kHz, 1.2W output power
• Shutdown Current: <1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX9718BEUB+ features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | SHDN | Shutdown Input | | 2 | GND | Ground | | 3 | IN | Audio Input | | 4 | VDD | Positive Power Supply | | 5 | BYPASS | Bypass Capacitor Connection | | 6 | OUT | Speaker Output | | 7 | FB | Feedback Input | | 8 | NC | No Connect | | 9 | VREF | Reference Voltage Output | | 10 | VOUT | Output Voltage |

Functional Features

• Low quiescent current and shutdown mode for power-saving operation
• Integrated thermal and short-circuit protection
• Wide operating voltage range for flexibility in various applications
• High output power capability with low distortion

Advantages and Disadvantages

Advantages

• Compact package size allows for space-efficient designs
• Low power consumption for extended battery life in portable devices
• Excellent audio quality with low distortion
• Built-in protection features ensure reliable operation

Disadvantages

• Limited output power compared to higher wattage amplifiers
• May require additional external components for specific applications

Working Principles

The MAX9718BEUB+ is a class AB audio amplifier that utilizes a bridge-tied load (BTL) configuration. It operates by amplifying the input audio signal and driving it through the connected speaker. The amplifier's low quiescent current and shutdown mode help conserve power when not in use.

Detailed Application Field Plans

The MAX9718BEUB+ can be used in various audio applications, including: 1. Portable audio devices such as MP3 players and smartphones 2. Personal computers and laptops 3. Home audio systems and multimedia speakers 4. Automotive audio systems 5. Industrial audio equipment

Detailed and Complete Alternative Models

1. MAX9717AEUB+: Similar to MAX9718BEUB+, but with a different pin configuration.
2. MAX9719BEUB+: Higher output power version of MAX9718BEUB+.
3. MAX9720BEUB+: Audio amplifier with integrated volume control.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

In conclusion, the MAX9718BEUB+ is a high-performance audio amplifier designed for various audio applications. Its compact size, low power consumption, and excellent audio quality make it a suitable choice for portable and stationary audio devices alike.