SPM0404HD5-PB

Introduction

The SPM0404HD5-PB is a surface mount MEMS microphone designed for high-definition audio applications. This entry provides an overview of the product, including its basic information, 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 recording and transmission
• Characteristics: Small form factor, high sensitivity, low power consumption
• Package: Surface mount package
• Essence: Capturing high-fidelity sound in compact devices
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Frequency Range: 20Hz to 20kHz
• Sensitivity: -26dBFS
• Signal-to-Noise Ratio (SNR): 64dB
• Supply Voltage: 1.6V to 3.6V
• Current Consumption: 170µA

Detailed Pin Configuration

1. VDD (Power supply)
2. GND (Ground)
3. DATA (Digital output)
4. CLK (Clock input)

Functional Features

• High sensitivity for clear audio capture
• Low power consumption for extended battery life
• Wide frequency range for capturing detailed audio

Advantages and Disadvantages

Advantages

• Compact size
• High sensitivity
• Low power consumption

Disadvantages

• Limited SNR compared to some larger microphones
• Requires careful PCB layout for optimal performance

Working Principles

The SPM0404HD5-PB operates based on the principle of MEMS (Micro-Electro-Mechanical Systems) technology, where sound waves cause a diaphragm to vibrate, generating electrical signals that represent the captured audio.

Detailed Application Field Plans

The SPM0404HD5-PB is ideal for use in various consumer electronics, including smartphones, tablets, laptops, and wearable devices, where high-quality audio capture is essential for voice calls, video recording, and audio playback.

Detailed and Complete Alternative Models

• SPM0404HE5H-PB: Higher sensitivity variant
• SPM0404LE5H-PB: Lower power consumption variant
• SPM0204HD4H-PB: Smaller form factor variant

In conclusion, the SPM0404HD5-PB offers a compact and high-performance solution for high-definition audio capture in a wide range of consumer electronic devices.

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