MAX4414EUA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: Low distortion, high output power, wide supply voltage range
• Package: 8-pin µMAX® package
• Essence: High-performance audio amplifier
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 1.6mA
• Output Power: 1.2W (THD+N = 1%, RL = 8Ω, VDD = 5V)
• Total Harmonic Distortion plus Noise (THD+N): 0.04% (RL = 8Ω, POUT = 100mW)
• Shutdown Current: < 1µA
• Gain: 20dB
• Input Impedance: 30kΩ
• Output Impedance: 0.1Ω

Pin Configuration

The MAX4414EUA+T has the following pin configuration:

```

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

Functional Features

• Low distortion audio amplification
• Wide supply voltage range for flexibility in various applications
• Shutdown mode for power-saving when not in use
• Small package size for space-constrained designs

Advantages and Disadvantages

Advantages: - Low distortion ensures high-quality audio output - High output power allows for driving speakers with sufficient volume - Wide supply voltage range enables compatibility with different power sources - Shutdown mode reduces power consumption during idle periods - Small package size facilitates compact circuit designs

Disadvantages: - Limited output power compared to higher wattage amplifiers - Input impedance may not be suitable for all audio sources

Working Principles

The MAX4414EUA+T is an audio amplifier that operates by amplifying the input audio signal while maintaining low distortion. It utilizes a class AB amplifier configuration to achieve high-quality audio reproduction. The amplifier can be powered from a wide range of supply voltages, making it suitable for various applications.

The device features a shutdown mode, which allows the amplifier to be turned off when not in use, reducing power consumption. This feature is particularly useful in battery-powered devices or applications where power efficiency is crucial.

Detailed Application Field Plans

The MAX4414EUA+T is commonly used in the following applications:

1. Portable Audio Devices: The amplifier's low distortion and wide supply voltage range make it ideal for portable audio players, smartphones, and tablets.
2. Home Audio Systems: The high output power capability of the amplifier enables it to drive speakers in home theater systems and stereo receivers.
3. Automotive Audio Systems: The compact package size and low power consumption make the MAX4414EUA+T suitable for integration into car audio amplifiers.
4. Industrial Audio Equipment: The amplifier's small form factor and low distortion characteristics make it suitable for use in professional audio equipment such as mixers and amplifiers.

Detailed and Complete Alternative Models

1. TPA3116D2: A class D audio amplifier with higher output power and efficiency.
2. LM386: A low-power audio amplifier with a simple design and low cost.
3. TDA7294: A high-power audio amplifier with excellent performance and thermal protection features.
4. STA540: A dual bridge audio amplifier with built-in short-circuit and thermal protection.

These alternative models offer different features and specifications, allowing designers to choose the most suitable amplifier for their specific application requirements.

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