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SPK0838HT4H-1

Name: SPK0838HT4H-1
Rating: 4.7 (12 reviews)

MIC MEMS DIGITAL PDM OMNI -26DB

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資料表 SPK0838HT4H-1 DataSheet
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規格

Series	SiSonic™
Part Status	Active
Type	MEMS (Silicon)
Output Type	Digital, PDM
Direction	Omnidirectional
Frequency Range	20 Hz ~ 20 kHz
Sensitivity	-26dB ±3dB @ 94dB SPL
S/N Ratio	64dB
Current - Supply	700 µA
Port Location	Top
Termination	Solder Pads
Size / Dimension	0.157" L x 0.118" W (4.00mm x 3.00mm)
Height (Max)	0.043" (1.10mm)
Shape	Rectangular
Voltage - Rated	1.8 V

概述

Description

SPK0838HT4H-1 is a type of microelectromechanical system (MEMS) microphone designed for high-performance audio applications. It features a small form factor, making it suitable for integration in compact electronic devices such as smartphones, tablets, and wearables. The microphone typically offers high sensitivity, low noise levels, and wide frequency response, ensuring clear sound capture and high-quality audio output.
This model often utilizes advanced MEMS technology, which enhances reliability and durability compared to traditional microphones. It may include features like digital output for easier interfacing with digital signal processors (DSPs) and other circuitry. Applications for the SPK0838HT4H-1 include voice recognition, noise-cancellation systems, and various consumer electronics where high-fidelity sound is essential.
For detailed specifications and performance characteristics, consulting the manufacturer's datasheet is recommended.

Features

The SPK0838HT4H-1 is a MEMS microphone designed for high-performance audio applications. Key features include:
1. Low Noise: It offers a low equivalent input noise level, ensuring clear sound capture.
2. High Sensitivity: This microphone has high sensitivity, enabling it to pick up soft sounds effectively.
3. Wide Frequency Response: It provides a broad frequency range, making it suitable for various audio applications.
4. Compact Size: The small form factor allows for easy integration into tight spaces, such as smartphones, tablets, and wearables.
5. Low Power Consumption: Ideal for battery-powered devices, it consumes minimal power while maintaining performance.
6. Digital Output: Supports digital audio output, facilitating straightforward interfacing with modern digital systems.
7. Robust Design: Built to withstand environmental factors, making it suitable for diverse applications.
Overall, the SPK0838HT4H-1 is ideal for consumer electronics, voice recognition systems, and portable audio devices.

Package

The SPK0838HT4H-1 is packaged in a compact, surface-mount configuration known as a "micro-electromechanical systems" (MEMS) package. It typically features a small footprint suitable for integration into various electronic devices, offering efficient space utilization and high performance in sound detection and generation applications.

Pinout

The SPK0838HT4H-1 is a MEMS microphone with a total of 4 pins. The pin configurations and their functions are as follows:
1. VDD: Power supply input (typically 1.5V to 3.6V).
2. GND: Ground connection.
3. OUT: Analog output signal, which provides the audio signal captured by the microphone.
4. NC (Not Connected): This pin is not connected internally and can be left floating.
The microphone is designed for high-performance audio applications, including voice recognition and sound detection in consumer electronics. It features low noise and a compact design, making it suitable for a variety of portable devices.

Manufacturer

The SPK0838HT4H-1 is manufactured by Knowles Corporation, a company known for its expertise in micro-acoustic microphones and audio solutions. Knowles specializes in developing advanced components for consumer electronics, medical devices, and industrial applications, focusing on high-performance sound technology. Founded in 1946, the company has established itself as a leader in the field of MEMS (Micro-Electro-Mechanical Systems) microphones, providing innovative audio solutions for various industries, including smartphones, wearables, and smart home devices.

Application

The SPK0838HT4H-1 is a MEMS microphone commonly used in applications such as mobile devices, smart speakers, voice recognition systems, hearing aids, and IoT devices. Its compact size, low power consumption, and high sensitivity make it suitable for consumer electronics, automotive applications, and industrial equipment, enhancing audio input capabilities in various environments.

Equivalent

The SPK0838HT4H-1 chip is a MEMS microphone. Equivalent products include the Knowles SPH0645LM4H-1, InvenSense ICS-41350, and STMicroelectronics MP34DT05. Always verify compatibility with specific application requirements like sensitivity, frequency response, and physical dimensions before substitution.