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AKD4421A-SA Datasheet, PDF (7/22 Pages) Asahi Kasei Microsystems – AK4421A Evaluation Board Rev.1
  [AKD4421A-SA]    
AKM
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FFT No Signal
fs=44.1kHz
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Figure 5 FFT (No Signal)
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AKM
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d
-70
B
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-90
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FFT Out of Band Noise
fs=44.1kHz
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Hz
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Figure 6 FFT (Out of band noise)
KM098701 -7-     2009/04