Texas Instruments DRV601EVM - DRV601 Evaluation Module DRV601EVM DRV601EVM Hoja De Datos
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Los códigos de productos
DRV601EVM
www.ti.com
6.3
THD+N vs Frequency (600R Load)
1
3
1.2
1.4
1.6
1.8
2
2.2
2.4
2.6
2.8
0.001
10
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
THD+N-T
otalHarmonicDistortionPlusNoise-%
V
- Output Voltage - Vrms
O
3.3 V DVDD
3.63 V DVDD
3.3 V DVDD
-100
-20
-95
-90
-85
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
-25
10m
3
20m
50m
100m
200m
500m
1
2
T
V
- Output Voltage - Vrms
O
THD+N-T
otalHarmonicDistortionPlusNoise-dB
3.3 V DVDD
DRV601EVM Performance
Figure 10. THD+N vs Voltage (600-
Ω Load)
Here the clipping is shown with a 3.3-V supply, and
±
10% tolerance. It shows that even with a low DVDD,
3.3 V–10% , the DRV601 can achieve the 2 Vrms with a THD+N less than 1%.
2 Vrms is equal to 2.848-Vpeak; that is only 142-mV drop from the 2.97-V supply
Figure 11. THD+N vs Voltage (100-k
Ω
Load)
With the THD+N in dB scale. 0.001% corresponds to –100 dB.
SLOU215 – January 2008
DRV601EVM
11