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4.4 Idle Noise FFT Spectrum
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
OutputVoltage(dBrA)
0 10k
Frequency(Hz)
20k 30k 40k 50k 60k 70k 80k 90k
4.5 Channel Separation
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
ChannelSeparation(dBrA)
20 100 1k
Frequency(Hz)
10k 20k
DRV600EVM Performance
Reference voltage is 2V
RMS
, FFT size 16k.
Figure 10. Idle Noise FFT Spectrum
Channel 1 output signal is 2V
RMS
; channel 2 input is grounded. Reference voltage is 2V
RMS
; the load is
600 Ω .
Figure 11. Channel Separation
SLOU205 – July 2007 DRV600EVM User's Guide 9
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