MAX972ESA-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power stereo audio amplifier
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides amplification and control for audio signals
• Packaging/Quantity: Available in tape and reel packaging, quantity depends on supplier

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Power: 150mW per channel into 16Ω load
• Total Harmonic Distortion + Noise: 0.1% (typical)
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX972ESA-T has the following pin configuration:

```

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| | --| VDD GND|-- Pin 1: Ground --| IN+ SHDN|-- Pin 2: Shutdown Control Input --| IN- OUT|-- Pin 3: Audio Output --| BP VDD|-- Pin 4: Positive Power Supply |___________| ```

Functional Features

• Low quiescent current consumption
• Wide supply voltage range
• Thermal shutdown protection
• Short-circuit and thermal overload protection
• Shutdown mode for power saving

Advantages

• High-quality audio amplification
• Low power consumption
• Compact package size
• Protection features ensure device longevity
• Versatile supply voltage range

Disadvantages

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

Working Principles

The MAX972ESA-T is a class AB stereo audio amplifier that operates by amplifying low-level audio signals from input sources. It utilizes a bridge-tied load (BTL) configuration to provide increased output power while maintaining low distortion. The amplifier is designed to operate within a wide supply voltage range and incorporates various protection features to ensure reliable operation.

Detailed Application Field Plans

The MAX972ESA-T can be used in various audio applications, including:

1. Portable audio devices
2. Headphone amplifiers
3. Multimedia systems
4. Personal computers
5. Gaming consoles

Alternative Models

• MAX972EPA+: Similar specifications, available in 8-pin DIP package
• MAX972EBL+: Higher output power, available in 10-pin µMAX package
• MAX972ECN+: Lower quiescent current, available in 8-pin PDIP package

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

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