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6.5 Idle Noise FFT Spectrum
0 90k10k 20k 30k 40k 50k 60k 70k 80k
-150
0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
f-Frequency-Hz
Amplitude-dBr
0 90k10k 20k 30k 40k 50k 60k 70k 80k
-150
0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
f-Frequency-Hz
Amplitude-dBr
DRV601EVM2 Performance
Reference voltage is 2 V
rms
. FFT size is 16k.
Figure 14. Idle Noise FFT Spectrum (Analog Input)
Figure 15. Idle Noise FFT Spectrum (Digital Input)
DRV601EVM2 14 SLOU217 – March 2008
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