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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AS3412 데이터시트(PDF) 14 Page - ams AG |
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AS3412 데이터시트(HTML) 14 Page - ams AG |
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14 / 84 page  Page 14 ams Datasheet Document Feedback [v1-00] 2016-Apr-06 AS3412 − Detailed Description Parameter VBAT=1.8V, TA= 25ºC, CAC=10μF, CMIC=4.7μF and RMICIN=2.2kΩ unless otherwise specified. Figure 14: Microphone Parameter Symbol Parameter Condition Min Typ Max Unit VMICIN0 Input Signal Level AMIC = 10dB 80 mVRMS VMICIN1AMIC = 20dB 40 mVRMS VMICIN2AMIC = 30dB 10 mVRMS SNR Signal to Noise Ratio 0dB gain, High quality mode, AGC off 118.5 dB 10dB gain, High quality mode, AGC off 109 dB 20dB gain, High quality mode, AGC off 99.5 dB 0dB gain, ECO mode, AGC off 117 dB 10dB gain, ECO mode, AGC off 107 dB 20dB gain, ECO mode, AGC off 98 dB VNOISE-A A-Weighted Output Noise Floor 0dB gain, 20Hz – 20kHz bandwidth, high quality 1.2 μV 10dB gain, 20Hz – 20kHz bandwidth, High quality 4.2 μV 20dB gain, 20Hz – 20kHz bandwidth, High quality 13.5 μV 0dB gain, 20Hz – 20kHz bandwidth, ECO mode 1.4 μV 10dB gain, 20Hz – 20kHz bandwidth, ECO mode 4.6 μV 20dB gain, 20Hz – 20kHz bandwidth, ECO mode 14.8 μV IMIC Block Current Consumption VBAT = 1.8V; no signal, stereo, normal mode 0.82 1.4 2 mA VBAT = 1.8V; no signal, stereo, ECO mode 0.58 1.2 1.4 mA |
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