MAX987EUK+TG05

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power audio amplifier
• Package: SOT23-5
• Essence: Compact and efficient audio amplification solution
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: 1.4W (4Ω load, 5V supply)
• Total Harmonic Distortion + Noise (THD+N): 0.04% (1kHz, 1.2W, 4Ω load)
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX987EUK+TG05 has a total of 5 pins arranged as follows:

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| | --| VDD | --| IN | --| GND | --| SHDN | --| OUT | |___________| ```

Functional Features

• Low quiescent current consumption for power efficiency
• Wide supply voltage range for versatile applications
• Excellent audio quality with low distortion and noise
• Thermal and short-circuit protection for enhanced reliability
• Shutdown mode for power-saving when not in use

Advantages and Disadvantages

Advantages: - Compact package size allows for space-constrained designs - High output power capability for driving various loads - Low THD+N ensures high-quality audio reproduction - Wide operating temperature range enables usage in extreme conditions

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external components for proper operation - SOT23-5 package may be challenging for hand soldering

Working Principles

The MAX987EUK+TG05 is a class AB audio amplifier that amplifies low-power audio signals to drive speakers or headphones. It operates by receiving an input audio signal through the IN pin, which is then amplified and delivered to the OUT pin. The SHDN pin controls the amplifier's power state, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The MAX987EUK+TG05 is commonly used in various audio applications, including:

1. Portable Audio Devices: Provides high-quality audio amplification for smartphones, tablets, and portable media players.
2. Headphone Amplifiers: Enhances the audio output of headphones, delivering improved sound quality and volume.
3. Multimedia Systems: Used in laptops, desktop computers, and gaming consoles to amplify audio signals for speakers or headphones.
4. Automotive Audio Systems: Enables clear and powerful audio reproduction in car audio systems.
5. Home Entertainment Systems: Amplifies audio signals for home theater systems, soundbars, and audio receivers.

Detailed and Complete Alternative Models

1. MAX98357A: Class D audio amplifier with integrated digital-to-analog converter (DAC).
2. TPA3116D2: High-performance class D audio amplifier with built-in audio processing features.
3. LM386: Low-power audio amplifier with simple circuitry and wide supply voltage range.
4. TDA7294: High-power audio amplifier with multiple protection features and high fidelity audio reproduction.
5. STA540: Dual bridge audio amplifier with high output power capability and thermal shutdown protection.

These alternative models offer different features and specifications, providing options for various audio amplification requirements.

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