Datasheet
6.4 Idle Noise FFT Spectrum
0
10
20
30
40
100
110
120
130
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-
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-
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50
60
70
80
90
140
150
dBrA(dB)
0 10 20 30 40 50 60 70 80 90 95
Frequency(kHz)
0
20
40
60
80
100
120
140
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dBrA(dB)
0 20 40 60 80 100
Frequency(kHz)
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DRV603EVM Performance
For both analog and digital inputs, as shown in Figure 10 and Figure 11 respectively, the reference
voltage is 2 V
RMS
and the FFT size is 16 k.
Figure 10. Idle Noise FFT Spectrum (Analog Input)
Figure 11. Idle Noise FFT Spectrum (Digital Input)
SLOU252A – December 2008 – Revised January 2009 DRV603EVM 11
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