MAX972CUA-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: Amplifies audio signals for various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

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

Pin Configuration

The MAX972CUA-T has the following pin configuration:

```

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| | --| VDD OUT|-- Channel 1 Output --| GND IN+|-- Channel 1 Non-Inverting Input --| SHDN IN-|-- Channel 1 Inverting Input --| VREF BP|-- Bypass Capacitor Connection --| VOUT OUT|-- Channel 2 Output --| GND IN+|-- Channel 2 Non-Inverting Input --| SHDN IN-|-- Channel 2 Inverting Input |___________| ```

Functional Features

• Low quiescent current consumption for power efficiency
• Wide supply voltage range allows flexibility in different 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: - High-performance audio amplification - Low power consumption - Wide supply voltage range - Thermal and short-circuit protection

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external bypass capacitor for optimal performance

Working Principles

The MAX972CUA-T is a stereo audio amplifier that operates by amplifying low-power audio signals from input sources such as smartphones, tablets, or other audio devices. It utilizes a class AB amplifier architecture to provide high-quality audio reproduction with low distortion and noise.

The amplifier can be powered by a wide range of supply voltages, making it suitable for various portable and battery-powered applications. It features thermal and short-circuit protection mechanisms to ensure safe operation and prevent damage to the device.

The MAX972CUA-T also includes a shutdown mode, which allows the amplifier to enter a low-power state when not in use, conserving energy and prolonging battery life.

Detailed Application Field Plans

The MAX972CUA-T is commonly used in the following applications:

1. Portable Audio Devices: Provides amplified audio output for portable media players, smartphones, and tablets.
2. Headphone Amplifiers: Enhances the audio signal for headphones, improving sound quality and volume.
3. Computer Audio Systems: Amplifies audio signals for desktop speakers or multimedia systems.
4. Automotive Audio Systems: Used in car audio amplifiers to boost audio signals for speakers or subwoofers.
5. Home Entertainment Systems: Integrated into home theater receivers or audio amplifiers for improved audio performance.

Detailed and Complete Alternative Models

1. MAX972CUA+: Similar to MAX972CUA-T but available in a different package (µMAX).
2. MAX972CUA-W: Offers the same functionality as MAX972CUA-T but operates at a wider temperature range (-40°C to +125°C).
3. MAX972CUA-R: RoHS-compliant version of MAX972CUA-T, suitable for applications requiring lead-free components.

These alternative models provide similar features and performance, allowing users to choose the most suitable option based on their specific requirements.

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