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  6. 20Hz to 20kHz Wideband MEMS Microphone | CMM Series

20Hz to 20kHz Wideband MEMS Microphone | CMM Series

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last updated:Jun 30, 2023

Same Sky Japan
Same Sky Japan
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New product: Wideband MEMS microphone 20Hz to 20kHz

A new model has been introduced featuring a MEMS microphone with a minimum footprint of 2.75 mm x 1.85 mm, which specifies a phase tolerance of 20 Hz in the low frequency range, making it ideal for microphone arrays and signal processing. It is user-friendly for beamforming, noise cancellation, and sound source localization. This analog output type has a sensitivity tolerance of ±1 dB and a maximum S/N of 64 dB, covering the entire human audible range from 20 Hz to 20 kHz, suitable not only for multiple uses but also for a wide range of applications. With a thickness of just 0.9 mm to 1.00 mm, it is a new product that can be easily integrated into wearable and portable devices.

    SensorsOther electronic parts
2023Jun-WideF_MEMS.png

20Hz to 20kHz Wideband MEMS Microphone | CMM Series

2023Jun-WideF_MEMS.png
2023Jun-WideF_MEMS.png
  • Related Link - https://japan.cui.co.jp/pick-up-news2023Jun.html

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basic information

- Top Port Wideband MEMS Microphone Dimensions: 2.75 x 1.85 x 1.00 mm Sensitivity: -38 dB ± 1 dB S/N: 64 dB AOP: 128 dB Frequency: 20 Hz ~ 20 kHz - Bottom Port Wideband MEMS Microphone Dimensions: 2.75 x 1.85 x 0.90 mm Sensitivity: -38 dB ± 1 dB S/N: 62 dB ~ 64 dB AOP: 123 dB ~ 128 dB Frequency: 20 Hz ~ 20 kHz

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Portable, wearable devices

catalog(1)

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Same Sky Speaker & Microphone Catalog 2025

Same Sky Speaker & Microphone Catalog 2025

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See You AI Japan releases 20Hz to wideband digital MEMS microphone.

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Two new models of PDM output digital MEMS microphones have been introduced, optimized for microphone arrays and signal processing, supporting a low frequency range starting from 20Hz. Both models have a sensitivity of -26dB ±1 dB and an S/N ratio of 65 dB. The first model is the top-port type "CMM-4030DT-261075-TR" with dimensions of 4 x 3 x 1mm, and the second model is the bottom-port type "CMM-3526DB-26165-TR" with dimensions of 3.50 x 2.65 x 0.98mm. The MEMS microphones with digital signal output that support low frequency ranges are designed to be user-friendly for applications such as beamforming, noise cancellation, and sound source localization, where multiple outputs are synthesized. <CMM-4030DT-261075-TR> Dimensions: 4 x 3 x 1 mm Sensitivity: -26dB ± 1dB S/N: 65dB AOP: 120dB Frequency: 20Hz~10kHz <CMM-3526DB-26165-TR> Dimensions: 3.50 x 2.65 x 0.98 mm Sensitivity: -26dB ± 1dB S/N: 65dB AOP: 120dB Frequency: 20Hz~10kHz

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See you AI Japan IPX7 MEMS microphone, IP65 ECM new products

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The first IPX7 waterproof MEMS microphone has arrived. It features a digital PDM output with a size of 4mm x 3mm x 1mm and a top sound hole, enabling high environmental resistance in a very thin space. Additionally, it has a signal-to-noise ratio (S/N) of 65dB, and includes sleep mode and low power mode, allowing for energy-efficient operation in various applications such as voice recognition. For ECM, a model with φ4 x 1.5mm and IP65 rating has been added, equipped with a harness. It comes standard with a JST connector, making it a user-friendly and compact product that eliminates the need for soldering or connector crimping for small patterns. - CMM-3424DT-26165-TR (MEMS Microphone) Dimensions: 4 x 3 x 1 mm Sensitivity: -40 dB ± 1 dB S/N: 65 dB AOP: 120 dB Frequency: 100 Hz ~ 10 kHz - CMC-4015-40L170 (ECM) Dimensions: φ4 x 1.5 mm Sensitivity: -40 dB ± 3 dB S/N: 60 dB Frequency: 100 Hz ~ 20 kHz Connection: 170mm lead wire + JST ACHR-02V

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Same

Same Sky Japan

Electronic Components and Semiconductors

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Same Sky Japan (formerly CUI Japan) is a group company of the American electronic components manufacturer Same Sky (formerly CUI DEVICES) and serves as a sales base for the Japanese market. Our mission is to provide customers with a collaborative design experience, supporting them in achieving their design goals on schedule and within budget. Same Sky Japan offers a wide range of products, including connectors, audio, temperature management, motion control, sensors, and switches. We also handle power products from partner companies such as CUI Inc. Both Same Sky and Same Sky Japan strive to be a trusted and approachable source of electronic components that continuously evolves. We are committed to providing the best support to our customers through our extensive online resources and experienced staff, ensuring that we address various changes and issues that arise during the design phase and contribute to the success of their projects.

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