MAX98357BEWL+T

Product Overview

• Category: Audio Amplifier
• Use: The MAX98357BEWL+T is a digital pulse-code modulation (PCM) input Class D power amplifier that provides high-quality audio playback in portable devices such as smartphones, tablets, and portable speakers.
• Characteristics: This amplifier offers low power consumption, high efficiency, and excellent audio performance. It integrates a digital-to-analog converter (DAC), a digital audio processor, and a power stage into a single chip, making it a compact and cost-effective solution for audio amplification.
• Package: The MAX98357BEWL+T comes in a small 20-bump wafer-level package (WLP) measuring only 1.63mm x 1.63mm, which makes it suitable for space-constrained applications.
• Essence: The essence of this product lies in its ability to provide high-quality audio amplification with minimal power consumption and a small form factor.
• Packaging/Quantity: The MAX98357BEWL+T is typically sold in reels containing 3000 units.

Specifications

• Input Format: PCM
• Output Power: Up to 3.2W
• Supply Voltage Range: 2.5V to 5.5V
• Signal-to-Noise Ratio: >100dB
• Total Harmonic Distortion + Noise: <0.1%
• Sampling Rate: Up to 48kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX98357BEWL+T has the following pin configuration:

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| | | MAX98357BEWL+T | |_______________________________________| | | | 1 2 3 4 | | GND SDOUT LRCLK BCLK | | | | 5 6 7 8 | | VDD DIN SHDN LOUT | | | |_______________________________________| ```

Functional Features

• Integrated DAC and digital audio processor for simplified design and reduced component count.
• Class D amplifier architecture for high efficiency and low power consumption.
• Automatic gain control (AGC) to optimize audio performance in different operating conditions.
• Programmable equalization and filtering options for audio customization.
• Short-circuit and thermal protection for enhanced reliability.

Advantages and Disadvantages

Advantages: - Compact size and low power consumption make it ideal for portable devices. - High-quality audio playback with low distortion and noise. - Integration of multiple functions reduces the need for external components. - Flexible programmability allows for audio customization.

Disadvantages: - Limited output power compared to larger audio amplifiers. - Requires a PCM input format, which may not be compatible with all audio sources.

Working Principles

The MAX98357BEWL+T operates by receiving a digital PCM audio signal and converting it into an analog signal using its integrated DAC. The digital audio processor then applies various processing techniques such as equalization and filtering to enhance the audio quality. The processed analog signal is then amplified by the Class D power stage and delivered to the connected speaker or headphone.

Detailed Application Field Plans

The MAX98357BEWL+T is widely used in various portable audio applications, including:

1. Smartphones and tablets: Provides high-quality audio amplification for built-in speakers or headphones.
2. Portable speakers: Enables compact and efficient amplification for portable speaker systems.
3. Wearable devices: Enhances audio playback capabilities in smartwatches, fitness trackers, and other wearable gadgets.
4. Gaming consoles: Delivers immersive audio experiences in handheld gaming devices.

Detailed and Complete Alternative Models

• MAX98357AETE+T
• MAX98357BETE+T
• MAX98357CEETE+T
• MAX98357DEETE+T
• MAX98357EETE+T

These alternative models offer similar functionality and performance but may have different package options or additional features tailored for specific applications.

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