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Digital PDM MEMS microphone unit for voice recording, sound level meters and spectrum analysis
PDM output (CLK / DAT) | sensitivity -22dBFS | SNR 61.4dB | 1.6-3.6V | 600uA | 24x24x13mm
Switches automatically between power-down, active and sleep states based on the clock frequency; LEGO compatible
滿千免運優惠(限郵寄和超商純取貨) on order
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PDM mini Unit是基於PDM(脈衝密度調製)信號的數位MEMS矽基麥克風。 該麥克風具有高信噪比,高靈敏度,低功耗,抗射頻干擾,平滑的頻率響應等特性。 它會根據時鐘頻率自動切換麥克風狀態(斷電/運作/睡眠),廣泛應用於穿戴式設備和智能數位設備上的音訊數據接收。
●頻譜分析儀
●錄音
●噪音計
| 規格 | 參數 |
| 靈敏度 | 94dB SPL@1KHz 典型值:-22dBFS |
| 訊噪比 | 94dB SPL@1KHz,A加權 典型值:61.4dB |
| 總諧波失真 | 100dB SPL@1KHz 典型值:1% |
| 工作電壓範圍 | 1.6 V至3.6 V |
| 工作電流 | 600µA |
| 尺寸 | 24x 24x 13mm |
| 淨重 | 4 g |
1.Arduino IDE