MAX98358EWL+T

Product Overview

• Category: Audio Amplifier
• Use: The MAX98358EWL+T is a digital input, Class D audio power amplifier that provides high-quality audio output for portable devices such as smartphones, tablets, and portable media players.
• Characteristics: This amplifier offers low power consumption, high efficiency, and excellent audio performance. It comes in a small package, making it suitable for space-constrained applications. The MAX98358EWL+T also features advanced protection mechanisms to ensure reliable operation.
• Package: The MAX98358EWL+T is available in a tiny WLP (Wafer Level Package) with dimensions of 1.47mm x 1.47mm.
• Essence: The essence of the MAX98358EWL+T lies in its ability to deliver high-quality audio output while consuming minimal power and occupying a small footprint.
• Packaging/Quantity: The MAX98358EWL+T is typically sold in reels containing 3000 units.

Specifications

• Power Supply Voltage: 2.5V - 5.5V
• Output Power: Up to 3.2W into 4Ω load at 5V supply voltage
• Signal-to-Noise Ratio: >100dB
• Total Harmonic Distortion + Noise: <0.1%
• Digital Audio Interface: I2S, Left-Justified, Right-Justified, DSP, TDM
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX98358EWL+T has the following pin configuration:

1. VDD: Power supply voltage
2. GND: Ground
3. SD: Shutdown control input
4. BCLK: Bit clock input
5. LRCLK: Left/right clock input
6. DIN: Digital audio data input
7. DOUT: Digital audio data output
8. FS: Frame sync input

Functional Features

• Digital Audio Processing: The MAX98358EWL+T integrates a digital audio processing engine that supports various audio formats and interfaces, allowing seamless integration with different devices.
• Advanced Protection Mechanisms: This amplifier includes built-in protection features such as over-temperature protection, short-circuit protection, and under-voltage lockout, ensuring safe and reliable operation.
• Low Power Consumption: The MAX98358EWL+T is designed to minimize power consumption, making it ideal for battery-powered portable devices.
• High Efficiency: The Class D architecture of this amplifier enables high efficiency, reducing power wastage and extending battery life.

Advantages and Disadvantages

Advantages: - High-quality audio output - Low power consumption - Small package size - Advanced protection mechanisms

Disadvantages: - Limited output power compared to larger amplifiers - Requires external components for proper operation

Working Principles

The MAX98358EWL+T utilizes a Class D amplifier architecture, which employs pulse-width modulation (PWM) techniques to convert the digital audio signal into a high-frequency square wave. This square wave is then filtered and amplified to produce the desired audio output. The use of PWM allows for high efficiency and low power consumption.

Detailed Application Field Plans

The MAX98358EWL+T is well-suited for various portable audio applications, including: - Smartphones - Tablets - Portable media players - Bluetooth speakers - Wearable devices

Detailed and Complete Alternative Models

Some alternative models to the MAX98358EWL+T include: - MAX98357A: Similar audio amplifier with slightly different specifications - TPA3116D2: Class D audio amplifier with higher output power - LM386: Low-power audio amplifier for simpler applications

These alternative models offer different features and performance characteristics, allowing designers to choose the most suitable option for their specific requirements.

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