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

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.

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.

Interested parties are welcome to call and consult with Mr Chen:

Tel: +86 13410018555

Email: sales@hkmjd.com

Company homepage: http://www.hkmjd.com/