MAX984ESE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power audio amplifier
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Provides high-quality audio amplification in a compact form factor
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: 1.4W (typical) into 8Ω load at 5V supply
• Total Harmonic Distortion + Noise (THD+N): 0.06% (typical) at 1kHz, 1.2W into 8Ω load
• Shutdown Current: <1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX984ESE has a total of 16 pins arranged as follows:

Pin 1: VDD Pin 2: IN- Pin 3: IN+ Pin 4: GND Pin 5: SHDN Pin 6: BIAS Pin 7: BYP Pin 8: OUT Pin 9: OUT Pin 10: GND Pin 11: OUT Pin 12: OUT Pin 13: GND Pin 14: OUT Pin 15: OUT Pin 16: VDD

Functional Features

• Low quiescent current consumption for power efficiency
• Wide supply voltage range allows flexibility in various applications
• High output power capability for driving speakers
• Thermal and short-circuit protection for enhanced reliability
• Shutdown mode for power-saving when not in use

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low power consumption - Compact package size - Thermal and short-circuit protection

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external components for proper operation

Working Principles

The MAX984ESE is a class AB audio amplifier that utilizes a combination of analog and digital circuitry to amplify audio signals. It operates by receiving an input audio signal through the IN+ and IN- pins, which is then amplified and delivered to the OUT pins. The BIAS pin provides biasing for the internal circuitry, while the BYP pin allows for bypassing the internal gain stage if desired. The SHDN pin controls the amplifier's shutdown mode.

Detailed Application Field Plans

The MAX984ESE 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. Automotive audio systems: Enhances the audio output in car entertainment systems.
3. Home audio systems: Amplifies audio signals in stereo systems, soundbars, and multimedia speakers.
4. Computer peripherals: Improves audio quality in desktop speakers and USB audio interfaces.
5. Industrial equipment: Enables clear audio playback in intercoms, public address systems, and audio test equipment.

Detailed and Complete Alternative Models

1. MAX98306: Similar audio amplifier with higher output power capability.
2. MAX97220: Audio amplifier with integrated volume control.
3. TPA3116D2: Class D audio amplifier with advanced features.
4. LM386: Low-power audio amplifier suitable for battery-powered applications.
5. TDA7297: Dual-channel audio amplifier with built-in thermal protection.

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