MAX982ESA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: Low Noise, Rail-to-Rail Output, Single Supply Operation
• Package: 8-Pin SOIC (Small Outline Integrated Circuit)
• Essence: High-performance audio amplifier with low noise and wide dynamic range
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 1.6mA
• Gain Bandwidth Product: 1.2MHz
• Input Noise Voltage: 30nV/√Hz
• Output Power: 150mW
• THD+N (Total Harmonic Distortion + Noise): 0.01%
• Shutdown Current: 0.1µA

Pin Configuration

The MAX982ESA+T has the following pin configuration:

1. OUT-
2. IN+
3. IN-
4. SHDN
5. VCC
6. GND
7. BIAS
8. OUT+

Functional Features

• Low noise amplification for high-quality audio applications
• Wide supply voltage range allows for flexibility in power source selection
• Rail-to-rail output enables maximum signal swing
• Single supply operation simplifies circuit design and reduces component count
• Shutdown mode for power-saving when the amplifier is not in use

Advantages and Disadvantages

Advantages: - High-performance audio amplification with low noise - Wide dynamic range for accurate sound reproduction - Flexible power supply options - Compact package size for space-constrained designs

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

Working Principles

The MAX982ESA+T is a class AB audio amplifier that operates on a single supply voltage. It utilizes a differential input stage to provide low noise amplification of audio signals. The rail-to-rail output allows for maximum signal swing, ensuring accurate reproduction of the input audio. The amplifier can be enabled or disabled using the SHDN pin, which helps conserve power when not in use.

Detailed Application Field Plans

The MAX982ESA+T is suitable for various audio applications, including:

1. Portable Audio Devices: Provides high-quality audio amplification for smartphones, tablets, and portable media players.
2. Headphone Amplifiers: Delivers clean and powerful audio output for headphone applications.
3. Home Theater Systems: Enhances the audio performance of home theater receivers and amplifiers.
4. Automotive Audio Systems: Improves the sound quality in car audio systems.
5. Professional Audio Equipment: Used in mixers, amplifiers, and audio interfaces for studio and live sound applications.

Detailed and Complete Alternative Models

1. MAX9812L+: Low-power audio amplifier with similar characteristics and package.
2. MAX98306: Higher power audio amplifier with integrated digital volume control.
3. MAX98400A: Stereo audio amplifier with advanced EMI suppression features.
4. MAX9867: Ultra-low noise audio amplifier with integrated microphone biasing.

These alternative models offer different features and specifications to suit various application requirements.

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