MAX4289ESA-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-Speed, Low-Distortion, Rail-to-Rail Output
• Package: 8-Pin SOIC (Small Outline Integrated Circuit)
• Essence: The MAX4289ESA-T is a high-speed audio amplifier designed for applications requiring low distortion and rail-to-rail output swing.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: ±2.5V to ±18V
• Input Voltage Range: -0.1V to +0.1V
• Output Voltage Swing: Rail-to-Rail
• Gain Bandwidth Product: 100MHz
• Slew Rate: 500V/µs
• Total Harmonic Distortion: 0.0003% (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX4289ESA-T has the following pin configuration:

```

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| | --| IN- OUT+ |-- Pin 1: IN- (Inverting Input) --| IN+ VCC |-- Pin 2: IN+ (Non-Inverting Input) --| VEE GND |-- Pin 3: VEE (Negative Power Supply) --| NC NC |-- Pin 4: Not Connected --| OUT- VEE |-- Pin 5: OUT- (Inverting Output) --| VCC VCC |-- Pin 6: VCC (Positive Power Supply) --| OUT+ NC |-- Pin 7: OUT+ (Non-Inverting Output) --| NC NC |-- Pin 8: Not Connected |___________| ```

Functional Features

• High-Speed Amplification: The MAX4289ESA-T offers a gain bandwidth product of 100MHz, allowing for amplification of high-frequency audio signals.
• Low Distortion: With a total harmonic distortion of only 0.0003%, the amplifier ensures accurate reproduction of the input signal.
• Rail-to-Rail Output Swing: The output voltage swing covers the entire supply voltage range, maximizing the dynamic range of the amplified signal.

Advantages and Disadvantages

Advantages: - High-speed amplification suitable for audio applications. - Low distortion ensures faithful reproduction of the input signal. - Rail-to-rail output swing provides maximum dynamic range.

Disadvantages: - Limited pin configuration options. - Requires external power supply.

Working Principles

The MAX4289ESA-T operates as a voltage amplifier, taking an audio input signal and amplifying it with high speed and low distortion. It utilizes a rail-to-rail output stage to ensure that the amplified signal swings from the negative power supply voltage (VEE) to the positive power supply voltage (VCC), maximizing the dynamic range.

Application Field Plans

The MAX4289ESA-T is commonly used in various audio applications, including:

1. Audio Recording Equipment: Provides high-fidelity amplification for microphones and other audio input devices.
2. Home Theater Systems: Amplifies audio signals for speakers, ensuring accurate reproduction of sound.
3. Portable Audio Devices: Enhances the audio output quality of portable media players and smartphones.
4. Automotive Audio Systems: Amplifies audio signals for car audio systems, delivering clear and powerful sound.

Alternative Models

Here are some alternative models that offer similar functionality:

1. AD8397: High-Speed, Low-Distortion Audio Amplifier
2. LMH6629: Ultra-Low Distortion, High-Speed Operational Amplifier
3. OPA1612: Precision, Low-Noise, Rail-to-Rail Output Audio Amplifier

These alternative models can be considered based on specific application requirements and design constraints.

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