SPH0645LM4H-1

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SPH0645LM4H-1

SILICON MICROPHONE

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100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Series SPH
Part Status Active
Type MEMS (Silicon)
Output Type Digital, I2S
Direction Omnidirectional
Frequency Range 60 Hz ~ 20 kHz
Sensitivity -26dB ±1dB @ 94dB SPL
S/N Ratio 65dB
Voltage - Rated 1.8 V
Voltage Range 1.62 V ~ 3.6 V
Current - Supply 600 µA
Port Location Bottom
Termination Solder Pads
Size / Dimension 0.138" L x 0.104" W (3.50mm x 2.65mm)
Height (Max) 0.043" (1.08mm)
Shape Rectangular

Tổng quan

Description

The SPH0645LM4H-1 is a small, low-power MEMS (Micro-Electro-Mechanical Systems) microphone designed for high-performance audio applications. It features a digital I2S output, making it suitable for direct interface with microcontrollers and digital signal processors. The microphone is known for its low noise level, wide frequency response, and high sensitivity, which makes it ideal for voice recognition, mobile devices, and other sound-related applications.
Key specifications include a sensitivity of -26 dBFS/Pa, a frequency response ranging from 100 Hz to 10 kHz, and low total harmonic distortion (THD). The device operates on a supply voltage of 1.8V to 3.6V and consumes minimal power, contributing to energy-efficient designs.
Its compact size (3.76mm x 2.95mm) and robust performance make the SPH0645LM4H-1 a popular choice for applications like smartphones, wearables, and smart home devices, where space and power efficiency are crucial. Overall, it provides an effective solution for capturing high-quality audio in a variety of electronic products.

Features

The SPH0645LM4H-1 is a low-power digital MEMS microphone designed for high-performance audio applications. Key features include:
1. Digital Output: It provides an I2S (Inter-IC Sound) interface for digital audio output, simplifying integration into digital systems.
2. Compact Size: With a small form factor (4mm x 3.5mm x 1.0mm), it is suitable for space-constrained designs.
3. High Sensitivity: The microphone boasts a sensitivity of -26 dBFS, ensuring excellent audio capture.
4. Wide Frequency Response: It covers a frequency range from 100 Hz to 10 kHz, making it ideal for voice and general audio applications.
5. Low Power Consumption: Designed for battery-operated devices, it consumes minimal power during operation.
6. High Signal-to-Noise Ratio (SNR): It features an SNR of 62 dB, providing clear audio with reduced background noise.
7. Robustness: The device is resistant to humidity and temperature variations, enhancing reliability in diverse environments.
These features make the SPH0645LM4H-1 suitable for applications such as smartphones, tablets, and smart home devices.

Package

The SPH0645LM4H-1 is packaged in a 3.6 mm x 3.6 mm x 1.0 mm LGA (Land Grid Array) format. This compact design is suitable for various applications, including mobile devices and IoT products, providing efficient performance in a small footprint.

Pinout

The SPH0645LM4H-1 is a MEMS (Micro-Electro-Mechanical Systems) microphone with a pin count of 6.
### Pin Functions:
1. VDD: Power supply input (typically +3.3V).
2. GND: Ground reference.
3. OUT: Analog output for the microphone signal.
4. OUT: (Second pin, can be used as a differential output in some applications).
5. NC: No connection (not used).
6. NC: No connection (not used).
This microphone is designed for high-performance audio applications, offering low noise and high sensitivity for capturing sound effectively.

Manufacturer

The SPH0645LM4H-1 is manufactured by Knowles Corporation. Knowles is a leading micro-acoustic microphone and audio solutions provider, specializing in advanced audio technologies and components. Founded in 1946 and headquartered in Itasca, Illinois, Knowles serves various markets, including consumer electronics, automotive, and industrial applications. The company is known for its innovation in miniaturized microphones and sound processing technology, catering to the growing demand for high-performance audio in devices such as smartphones, tablets, and smart speakers.

Application

The SPH0645LM4H-1 is a MEMS microphone commonly used in various applications, including voice recognition systems, smart home devices, smartphones, tablets, laptops, and wearables. Its compact size, low power consumption, and high signal-to-noise ratio make it suitable for digital assistants, audio recording, noise cancellation, and gaming headsets.

Equivalent

The SPH0645LM4H-1 is a digital MEMS microphone. Equivalent products include:
1. STMicroelectronics MP34DT05
2. Knowles SPH0645LM4H-1
3. InvenSense ICS-43434
4. Bose SoundLink Microphone
These alternatives share similar specifications such as digital output, low power consumption, and comparable sensitivity, making them suitable substitutes in various applications. Always verify specific requirements for compatibility.

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Tham khảo phí vận chuyển (DHL / FedEx):

Hãng DHL: Chi phí vận chuyển dao động từ $ 25- $ 45 (0,5kg), với thời gian giao hàng ước tính là 2-5 ngày làm việc.

FedEx: Chi phí vận chuyển dao động từ $ 25- $ 40 (0,5kg), với thời gian giao hàng ước tính là 3-7 ngày làm việc.

Sản phẩm UPS: Chi phí vận chuyển dao động từ $ 25- $ 45 (0,5kg), với thời gian giao hàng ước tính là 3-7 ngày làm việc.

TNT: Chi phí vận chuyển dao động từ $ 25- $ 65 (0,5kg), với thời gian giao hàng ước tính là 3-7 ngày làm việc.

EMS: Chi phí vận chuyển dao động từ $ 30- $ 50 (0,5kg), với thời gian giao hàng ước tính là 7-15 ngày làm việc.

Đăng ký Air Mail: Chi phí vận chuyển là $ 2- $ 4 (0.1kg), với thời gian giao hàng ước tính là 5-20 ngày làm việc.

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