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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AS3412-EWLT 데이터시트(PDF) 16 Page - ams-OSRAM AG |
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AS3412-EWLT 데이터시트(HTML) 16 Page - ams-OSRAM AG |
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16 / 85 page  ams Datasheet Page 15 [v1-00] 2016-Apr-06 Document Feedback AS3412 − Detailed Description Microphone Parameter: This table shows the detailed electrical characteristics of the microphone preamplifier gain stage. Figure 15: Microphone Frequency Response AMIC Programmable Gain Discrete logarithmic gain steps 0+31 dB Gain Steps Size 0.5 dB Gain Step Precision 0.2 dB Δ AMIC Gain Ramp Rate VPEAK related to VBAT or VNEG 1 ms/step VATTACK Limiter Activation Level VPEAK related to VBAT or VNEG 64 @ 0.5dB 0.40 1 VDECAY Limiter Release Level 0.31 1 AMICLIMIT Limiter Minimum Gain 0 dB tATTACK Limiter Attack Time 5 μs/step tDECAY Limiter Decay Time 1 ms/step Microphone Frequency Response: This graph shows the frequency response of the microphone preamplifier with different gain settings without RMICIN resistor, CAC capacitor (MICACx pin connected to AGND) and CMIC=10uF. Symbol Parameter Condition Min Typ Max Unit -5 0 5 10 15 20 25 30 35 10 100 1k 10k f [Hz] 0dB 30dB 10dB 20dB |
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