MAX98358ETE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, digital input, mono Class D amplifier
• Package: 16-pin TQFN (Thin Quad Flat No-Lead) package
• Essence: Provides high-quality audio amplification in a compact form factor
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Power Supply Voltage: 2.5V to 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

Pin Configuration

The MAX98358ETE+T has a total of 16 pins arranged as follows:

Pin 1: GND Pin 2: SDI Pin 3: SDO Pin 4: BCLK Pin 5: LRCLK Pin 6: MCLK Pin 7: VDD Pin 8: SHDN Pin 9: AGND Pin 10: OUT+ Pin 11: OUT- Pin 12: BST Pin 13: PVDD Pin 14: PGND Pin 15: PVDD Pin 16: PGND

Functional Features

• High-efficiency Class D amplifier architecture
• Supports multiple digital audio interfaces
• Integrated click-and-pop suppression circuitry
• Low power consumption in standby mode
• Thermal and short-circuit protection

Advantages and Disadvantages

Advantages

• Compact size and easy integration into various audio systems
• High-quality audio amplification with low distortion
• Wide operating voltage range allows flexibility in power supply selection
• Multiple digital audio interface options provide compatibility with different devices

Disadvantages

• Limited output power compared to some other audio amplifier ICs
• Requires external components for proper operation and filtering

Working Principles

The MAX98358ETE+T is a mono Class D audio amplifier that utilizes pulse-width modulation (PWM) to convert the digital audio input into amplified analog audio signals. It operates by rapidly switching the output stage transistors on and off, minimizing power dissipation and maximizing efficiency.

The digital audio data is received through one of the supported interfaces (I2S, Left-Justified, Right-Justified, DSP, TDM) and processed by the internal digital signal processing (DSP) engine. The processed audio signals are then fed to the Class D amplifier stage, which drives the connected speaker or load.

Detailed Application Field Plans

The MAX98358ETE+T is suitable for a wide range of applications, including:

1. Portable Bluetooth speakers
2. Soundbars and home theater systems
3. Automotive infotainment systems
4. Gaming consoles and accessories
5. Smartphones and tablets
6. Personal computers and laptops

Detailed and Complete Alternative Models

1. MAX98357AETE+T: Similar audio amplifier IC with stereo output capability.
2. MAX98390AETE+T: Higher-power audio amplifier IC with integrated digital audio processing features.
3. MAX9744ETE+T: Mono Class D audio amplifier with lower power requirements.

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

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