Datasheet

6.2 THD+N vs Frequency
10
1
0.1
0.01
0.001
0.0001
THD+N(%)
20 100 500
1k
5k 10k 20k
Frequency(Hz)
2V
RMS
0.2V
RMS
Load:2.5kW
6.3 FFT Spectrum with –60dBFS Tone
0
20
40
60
80
100
120
140
160
-
-
-
-
-
-
-
-
dB(dB)
0
5
10 15 20 25
Frequency(kHz)
www.ti.com DRV602EVM2 Performance
Figure 6 illustrates characteristic performance for THD+N versus frequency.
Figure 6. THD+N versus Frequency
For the FFT plot shown in Figure 7 , the reference voltage is 2 V
RMS
and the FFT size is 16 k.
Figure 7. FFT Spectrum with –60-dBFS Tone
SLOU248A – December 2008 – Revised January 2009 DRV602EVM2 9
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