High-performance MEMS Microphone Unit KRM5400/5403-010010 of Hosiden Characterizes Industry-leading High SNR and Low THD
HOSIDEN has developed a High-performance MEMS Microphone Unit KRM5400/5403-010010 for the smartphone and headphone markets.
Compared to our conventional products, we have greatly improved the SNR (sound-to-noise ratio) and response at low-frequencies with no compromise to the low THD (total harmonic distortion) characteristics. Achieving a flat response in the low frequency band allows effective recording of low-pitched sounds, which can be also leveraged for the noise cancelling in this region.
This module’s SNR and THD characteristics are now at an industry-leading level. There is also an energy-saving selectable low power consumption mode.
Product Name and Model Number
Product name, product No.：Analog MEMS microphone unit KRM5400-010010
Product name, product No.：Digital MEMS microphone unit KRM5403-010010
Typical Features
Compact size (dimensions (mm): 4.0 x 3.0 x 1.5 thick), with industry-leading high SNR and low THD
Energy-saving low power consumption mode is also available
SNR comparison with Hosiden current products:
KRM5400 (current, analog) 70dB → KRM5400 (released, analog) 74dB: 4dB improvement.
KRM5403 (current, digital) 69dB → KRM5403 (released, digital) 72dB: 3dB improvement.
Application
Smartphones/Noise cancelling headphones/Digital cameras, and much more
Main Specifications
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