SPM0408HD5H-SB: Product Overview and Analysis

Introduction

The SPM0408HD5H-SB is a surface-mount MEMS (Micro-Electro-Mechanical Systems) microphone designed for high-definition audio applications. This entry provides a comprehensive overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: MEMS Microphone
• Use: High-definition audio capture in various electronic devices
• Characteristics: Small form factor, high sensitivity, low power consumption
• Package: Surface-mount package
• Essence: Capturing high-fidelity sound in compact electronic devices
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Frequency Range: 100 Hz to 10 kHz
• Sensitivity: -26 dBFS
• Signal-to-Noise Ratio: 64 dBA
• Operating Voltage: 1.6 V to 3.6 V
• Current Consumption: 150 µA

Detailed Pin Configuration

The SPM0408HD5H-SB features a standard 4-pin configuration: 1. Pin 1 (VDD): Power supply input 2. Pin 2 (GND): Ground connection 3. Pin 3 (DOUT): Digital output 4. Pin 4 (NC): No connection

Functional Features

• High Sensitivity: Enables clear audio capture even in noisy environments
• Low Power Consumption: Ideal for battery-powered devices
• Compact Design: Fits into small electronic devices without compromising performance

Advantages and Disadvantages

Advantages

• High sensitivity for superior audio quality
• Low power consumption prolongs device battery life
• Compact design for versatile integration

Disadvantages

• Limited frequency range compared to some larger microphones
• More susceptible to mechanical vibrations due to its small size

Working Principles

The SPM0408HD5H-SB operates on the principle of converting sound waves into electrical signals using a MEMS diaphragm. When sound waves hit the diaphragm, it vibrates, causing changes in capacitance that are converted into electrical signals.

Detailed Application Field Plans

The SPM0408HD5H-SB is widely used in various consumer electronics, including smartphones, tablets, laptops, smart speakers, and wearable devices. Its high-definition audio capture capabilities make it suitable for applications where clear sound reproduction is essential, such as voice calls, video recording, and voice recognition systems.

Detailed and Complete Alternative Models

• SPM0687LR5H-QB: A similar MEMS microphone with extended frequency range
• SPM0204LE5H-WB: Compact MEMS microphone with ultra-low power consumption
• SPM0410HE5H-WB: High-performance MEMS microphone for professional audio applications

In conclusion, the SPM0408HD5H-SB offers high-quality audio capture in a compact and efficient package, making it an ideal choice for modern electronic devices requiring superior sound recording capabilities.

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