
AD1990
TYPICAL PERFORMANCE CHARACTERISTICS
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Rev. 0 | Page 8 of 16
FREQUENCY (kHz)
P
T
–160
0
20
–20
–40
–60
–80
–100
–120
–140
2
4
6
8
10
12
14
16
18
0
FREQUENCY (kHz)
P
T
Figure 4. 1 W Output Power into 4 Ω Load
0
–160
0
20
–20
–40
–60
–80
–100
–120
–140
2
4
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8
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0
FREQUENCY (kHz)
P
T
Figure 5. 1 W Output Power into 6 Ω Load
0
–160
0
20
0
0
–160
0
20
FREQUENCY (kHz)
P
T
–20
–40
–60
–80
–100
–120
–140
2
4
6
8
10
12
14
16
18
0
0
–160
0
20
FREQUENCY (kHz)
P
T
–20
–40
–60
–80
–100
–120
–140
2
4
6
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10
12
14
16
18
Figure 6. 1 W Output Power into 8 Ω Load
Figure 7. 60 dBFS Output Power into 4 Ω Load
–20
–40
–60
–80
–100
–120
–140
2
4
6
8
10
12
14
16
18
0
0
–160
0
20
FREQUENCY (kHz)
P
T
Figure 8. 60 dBFS Output Power into 6 Ω Load
–20
–40
–60
–80
–100
–120
–140
0
2
4
6
8
10
12
14
16
18
Figure 9. 60 dBFS Output Power into 8 Ω Load