ADAU1590ASVZ AD [Analog Devices], ADAU1590ASVZ Datasheet - Page 12

• Manufacturer Part Number: ADAU1590ASVZ
• Description: Class-D Audio Power Amplifier
• Manufacturer: AD [Analog Devices]

ADAU1590
Figure 23. Frequency Response @ 1 W, 6 Ω, PVDD = 12 V, PGA = 0 dB
–100
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
–1.6
–1.8
–2.0
–10
–20
–30
–40
–50
–60
–70
–80
–90
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
37
35
33
31
29
27
25
23
21
19
17
15
Figure 24. Gain vs. Frequency @ 1 W, 6 Ω, PVDD = 12 V, 6 Ω
0
0
20
20
20
Figure 25. PSRR vs. Frequency, No Input Signal
Ripple = 1.2 V p-p, PVDD = 12 V, 6 Ω
100
100
100
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
1k
1k
1k
PGA 18dB
PGA 12dB
PGA 6dB
PGA 0dB
10k
10k
10k
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100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0
0
0
Figure 26. Efficiency vs. Output Power, 12 V, 4 Ω
Figure 28. Efficiency vs. Output Power, 12 V, 8 Ω
Figure 27. Efficiency vs. Output Power,12 V, 6 Ω
2
2
2
POWER LIMITED DUE TO PACKAGE DISSIPATION
4
4
6
4
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
6
8
6
10
8
12
8
10
14
10
12
16
18
14
12