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New and Original Knowles Silicon Microphone SPH0644LM4H-1 Bottom Port Silicon Digital Microphone

New and Original Knowles Silicon Microphone SPH0644LM4H-1 Bottom Port Silicon Digital Microphone

Source:our siteTime:2024-07-04Views:

Shenzhen Mingjiada Electronics Co., Ltd. supplies the new and original Knowles Silicon Microphone SPH0644LM4H-1 miniature, high-performance, low-power, bottom-ported silicon digital microphone with single-bit PDM output. Utilising Knowles proven high …

Shenzhen Mingjiada Electronics Co., Ltd. supplies the new and original Knowles Silicon Microphone SPH0644LM4H-1 miniature, high-performance, low-power, bottom-ported silicon digital microphone with single-bit PDM output. Utilising Knowles proven high performance SiSonicTM MEMS technology, it consists of an acoustic transducer, low noise input buffer and sigma-delta modulator.

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Manufacturer: Knowles  

Product Category: MEMS Microphones    

Series: SPH  

Sensitivity: - 36 dB  

SNR - Signal to Noise Ratio: 65.5 dBA  

Frequency range: 1.4 MHz to 4.8 MHz  

Operating supply current: 1.4 mA  

Operating supply voltage: 1.8 V  

Minimum operating temperature: - 40 C  

Maximum operating temperature: + 100 C  

Output Type: Digital  

Port Type: Bottom  

Length: 3.5 mm  

Width: 2.65 mm  

Directionality: Omnidirectional  

Mounting Style: SMD/SMT  

Package / Case: LGA-5  

Product Type: MEMS Microphones  

Shape: Rectangular  

Factory Package Quantity: 5900  

Sub Category: Microphones  

Supply Voltage - Max: 3.6 V  

Supply Voltage - Min: 1.6 V  

Termination Type: SMD/SMT  

Trade Name: SiSonic  

Unit weight: 175.700 mg 


The devices are intended for use in mobile phones, smart phones, laptops, sensors, digital cameras, portable music recorders, and other portable electronic devices that require excellent broadband audio performance and RF immunity. In addition, the SPH0644LM4H-1 offers multiple performance modes.


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Email: sales@hkmjd.com

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