MAX4461TEUT+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: Low-power, low-noise, single-supply amplifier
• Package: SOT-23-6
• Essence: MAX4461TEUT+T is a high-performance audio amplifier designed for low-power applications. It provides excellent audio quality with minimal power consumption.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 2.4V to 5.5V
• Quiescent Current: 0.7mA
• Gain Bandwidth Product: 1.2MHz
• Input Noise Voltage: 3.6nV/√Hz
• Output Power: 100mW
• THD+N: 0.01%
• Shutdown Current: 0.1µA

Pin Configuration

The MAX4461TEUT+T has a total of six pins arranged as follows:

```

---

| | --| VDD OUT |-- Pin 1: VDD - Positive supply voltage --| GND IN- |-- Pin 2: GND - Ground --| SHDN IN+ |-- Pin 3: SHDN - Shutdown control input --| NC FB |-- Pin 4: NC - No connection --| NC FB |-- Pin 5: FB - Feedback input --| GND OUT |-- Pin 6: OUT - Output |___________| ```

Functional Features

• Low-power consumption: The MAX4461TEUT+T operates at a quiescent current of only 0.7mA, making it suitable for battery-powered devices.
• Low-noise performance: With an input noise voltage of 3.6nV/√Hz, this amplifier ensures high-quality audio reproduction.
• Single-supply operation: It can be powered by a single supply voltage ranging from 2.4V to 5.5V, simplifying the design and reducing component count.

Advantages and Disadvantages

Advantages: - Low-power consumption extends battery life in portable devices. - High-quality audio amplification with low noise. - Wide supply voltage range allows for versatile applications.

Disadvantages: - Limited output power of 100mW may not be sufficient for high-power audio applications. - No thermal shutdown protection feature.

Working Principles

The MAX4461TEUT+T is a single-supply audio amplifier that utilizes a class AB amplifier topology. It amplifies the input audio signal while maintaining low distortion and noise levels. The feedback loop ensures stability and accurate gain control. The shutdown control input allows for power-saving when the amplifier is not in use.

Detailed Application Field Plans

The MAX4461TEUT+T finds applications in various fields, including but not limited to:

1. Portable Audio Devices: MP3 players, smartphones, tablets, etc.
2. Hearing Aids: Provides amplification for individuals with hearing impairments.
3. Communication Systems: Two-way radios, intercoms, etc.
4. Home Entertainment Systems: Amplification for speakers, headphones, etc.
5. Automotive Audio Systems: Amplifiers for car audio applications.

Detailed and Complete Alternative Models

1. LM386: Low voltage audio power amplifier.
2. TPA3116D2: Class D audio amplifier with integrated DSP.
3. NJM2073D: Dual audio power amplifier.
4. TDA7294: High-performance audio amplifier.
5. STA540: 4-channel audio amplifier.

These alternative models offer similar functionality and can be considered as alternatives to the MAX4461TEUT+T based on specific application requirements.

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