AD1990
Rev. 0 | Page 10 of 16
100
0.001
OUTPUT POWER (W)
0.1
1
10
T
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
T
0
10
1
0.1
0.01
THD + N
THD
0
Figure 16. THD and THD + N vs. Output Power, 1 kHz Sine, 4 Ω Load, PVDD = 12 V
100
0.001
OUTPUT POWER (W)
0.1
1
10
T
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
T
0
10
1
0.1
0.01
THD + N
THD
0
Figure 17. THD and THD + N vs. Output Power, 1 kHz Sine, 6 Ω Load, PVDD = 12 V
100
0.001
OUTPUT POWER (W)
0.1
1
10
T
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
T
0
10
1
0.1
0.01
THD + N
THD
0
Figure 18. THD and THD + N vs. Output Power, 1 kHz Sine, 8 Ω Load, PVDD = 12 V
10
0
PVDD VOLTAGE (V)
8.0
12.0
O
9
8
7
6
5
4
3
2
1
8.5
9.0
9.5
10.0
10.5
11.0
11.5
THD = 10%
THD = 1%
0
Figure 19. Maximum Output Power vs. PVDD, 4 Ω Load
10
0
PVDD VOLTAGE (V)
8.0
12.0
O
9
8
7
6
5
4
3
2
1
8.5
9.0
9.5
10.0
10.5
11.0
11.5
THD = 10%
THD = 1%
0
Figure 20. Maximum Output Power vs. PVDD, 6 Ω Load
10
0
PVDD VOLTAGE (V)
8.0
12.0
O
9
8
7
6
5
4
3
2
1
8.5
9.0
9.5
10.0
10.5
11.0
11.5
THD = 10%
THD = 1%
0
Figure 21. Maximum Output Power vs. PVDD, 8 Ω Load
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