ad1990xcpzrl Analog Devices, Inc., ad1990xcpzrl Datasheet - Page 10

• Manufacturer Part Number: ad1990xcpzrl
• Description: Audio Switching Amplifier
• Manufacturer: Analog Devices, Inc.

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