MAX4462UESA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: Low-noise, low-distortion, single-supply amplifier
• Package: 8-pin µMAX® package
• Essence: High-performance audio amplification in a compact form factor
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 1.6mA
• Gain Bandwidth Product: 10MHz
• Input Noise Voltage: 3.5nV/√Hz
• Total Harmonic Distortion: 0.01%
• Output Power: 150mW

Pin Configuration

The MAX4462UESA has the following pin configuration:

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

Functional Features

• Low noise and distortion for high-quality audio amplification
• Single-supply operation simplifies circuit design
• Shutdown mode for power-saving applications
• Bypass pin for direct coupling of external filters

Advantages and Disadvantages

Advantages: - High gain bandwidth product enables accurate reproduction of audio signals - Low input noise voltage ensures minimal signal degradation - Small package size allows for space-constrained designs - Shutdown mode reduces power consumption in idle periods

Disadvantages: - Limited output power may not be suitable for high-power audio applications - Requires external components for optimal performance

Working Principles

The MAX4462UESA is a single-supply audio amplifier that operates from a voltage range of 2.7V to 5.5V. It utilizes a low-noise, low-distortion architecture to amplify audio signals with high fidelity. The amplifier can be enabled or disabled using the SHDN pin, allowing for power-saving operation when not in use.

The input signal is applied to the IN+ pin, while the IN- pin provides a reference voltage for differential amplification. The amplified output signal is available at the OUT pin, which can drive headphones or speakers directly. The BYPASS pin allows for the direct coupling of external filters to enhance the audio performance.

Detailed Application Field Plans

The MAX4462UESA is well-suited for various audio applications, including:

1. Portable Audio Devices: Provides high-quality audio amplification for smartphones, MP3 players, and portable speakers.
2. Headphone Amplifiers: Enables clear and powerful sound reproduction in headphone amplifiers.
3. Home Theater Systems: Enhances the audio experience in home theater systems by amplifying low-level signals from DVD players, TVs, and gaming consoles.
4. Automotive Audio Systems: Amplifies audio signals in car audio systems, delivering improved sound quality.
5. Instrumentation: Suitable for precision audio measurement equipment and audio analyzers.

Alternative Models

• MAX4460: Single-supply audio amplifier with lower gain bandwidth product but higher output power capability.
• MAX4461: Single-supply audio amplifier with similar specifications but different package options.
• MAX4463: Dual-channel audio amplifier for stereo applications.

These alternative models offer different trade-offs in terms of performance, power consumption, and package options, providing flexibility for various design requirements.

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