Texas Instruments DRV602 Evaluation Module DRV602EVM2 DRV602EVM2 Datenbogen
Produktcode
DRV602EVM2
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
illustrates characteristic performance for THD+N versus frequency.
Figure 6. THD+N versus Frequency
For the FFT plot shown in
, 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