SPK0838HT4H-1

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SPK0838HT4H-1

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MIC MEMS DIGITAL PDM OMNI -26DB

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Attribut Wert
Series SiSonic™
PartStatus Active
Type MEMS (Silicon)
OutputType Digital, PDM
Direction Omnidirectional
FrequencyRange 20 Hz ~ 20 kHz
Sensitivity -26dB ±3dB @ 94dB SPL
S/NRatio 64dB
Current-Supply 700 µA
PortLocation 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

Übersicht

Description

SPK0838HT4H-1 is a compact, low-noise, high-performance MEMS microphone designed for a variety of applications, including smartphones, tablets, and other portable devices. It features a small footprint, making it suitable for space-constrained designs. The microphone offers excellent sound quality, with a wide frequency response and high sensitivity, making it ideal for capturing clear audio in various environments.
Key specifications typically include a low total harmonic distortion (THD), a robust signal-to-noise ratio (SNR), and the ability to operate in diverse temperatures and humidity levels. Its digital output format (often I2S or PDM) facilitates easy integration with digital signal processors and other audio processing systems.
Overall, the SPK0838HT4H-1 is engineered for reliable performance, ensuring high-fidelity audio capture while being energy-efficient, which is crucial for battery-powered devices.

Equivalent

The SPK0838HT4H-1 is a MEMS microphone. Equivalent products include the Knowles SPH0645LM4H-1, BSE-9650 from BSE Electronics, and the InvenSense ICS-43434. When selecting alternatives, consider factors like size, sensitivity, and frequency response to ensure compatibility with your application. Always check the specifications for exact matching.

Features

The SPK0838HT4H-1 is a high-performance MEMS microphone designed for various audio applications. Key features include:
1. Compact Design: Its small form factor allows for integration into space-constrained devices.
2. Low Power Consumption: Ideal for battery-operated devices, it ensures prolonged usage without frequent recharging.
3. High Sensitivity: Offers excellent sound capture, making it suitable for high-fidelity audio applications.
4. Wide Frequency Response: It captures a broad range of audio frequencies, enhancing sound quality.
5. Low Noise Level: Ensures clear audio output by minimizing background noise.
6. Digital Output: Typically features a PDM (Pulse Density Modulation) output, facilitating easy interfacing with digital systems.
7. Robust Performance: Designed to withstand varying environmental conditions, ensuring reliability in different applications.
These features make the SPK0838HT4H-1 suitable for use in smartphones, tablets, voice-activated devices, and other consumer electronics requiring high-quality audio input.

Pinout

The SPK0838HT4H-1 is an omnidirectional MEMS microphone with a total of 4 pins. The pin functions are as follows:
1. VDD (Power Supply): This pin provides the power supply to the microphone, typically operating at 1.5V to 3.6V.
2. GND (Ground): This pin is the ground connection for the microphone, completing the electrical circuit.
3. OUT (Output): This pin outputs the analog audio signal generated by the microphone, which can be interfaced with audio processing circuits.
4. NC (No Connection): This pin is not connected to any internal circuitry and is generally unused.
The SPK0838HT4H-1 is designed for applications requiring high-quality sound capture in a compact form factor, such as smartphones, tablets, and other portable devices.

Manufacturer

The SPK0838HT4H-1 is manufactured by Knowles Corporation, a leading provider of micro-acoustic microphones and speakers. Knowles specializes in designing and manufacturing advanced audio solutions, including MEMS (Micro-Electro-Mechanical Systems) microphones, which are used in a variety of applications such as smartphones, wearables, and smart home devices.
Founded in 1946 and headquartered in Itasca, Illinois, Knowles operates as a global technology company that focuses on innovative audio technologies. It serves multiple sectors, including consumer electronics, industrial, medical, and automotive markets. With a strong emphasis on research and development, Knowles aims to deliver high-performance audio products that enhance user experiences across various devices. The company is recognized for its commitment to quality and reliability in the audio components it produces.

Application

The SPK0838HT4H-1 is a MEMS microphone primarily used in applications requiring high audio quality and compact design. Its key application areas include smartphones, tablets, wearable devices, smart home products, Bluetooth headsets, and voice-activated devices. It is also suitable for industrial applications such as speech recognition systems, IoT devices, and consumer electronics requiring noise cancellation and clear audio capture. The microphone's small footprint and sensitivity make it ideal for capturing sound in diverse environments.

Package

The SPK0838HT4H-1 is packaged in a surface-mount, micro-electromechanical system (MEMS) package type. It typically features a compact design for easy integration into various applications, providing a high-performance solution for sound detection and sensing.

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