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參數(shù)資料
| 型號： | NCP9004 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | 2.65 W Filterless Class−D Audio Power Amplifier |
| 文件頁數(shù)： | 9/17頁 |
| 文件大?。?/td> | 323K |
| 代理商： | NCP9004 |
NCP9004
http://onsemi.com
9
TYPICAL CHARACTERISTICS
10
20
100
1000
10000
100000
FREQUENCY (Hz)
P
Inputs to GND
R
L
= 4
V
p
= 3.6 V
V
p
= 5 V
30
40
50
60
70
80
10
20
100
1000
10000
100000
FREQUENCY (Hz)
P
Inputs to GND
R
L
= 8
V
p
= 3.6 V
V
p
= 5 V
30
40
50
60
70
80
10
0.01
0.1
1.0
10
100
1000
10000
100000
FREQUENCY (Hz)
T
V
p
= 2.5 V
V
p
= 5 V
10
POWER SUPPLY (V)
Figure 21. Output Power vs. Power Supply
R
L
= 8
@ f = 1 kHz
Figure 22. Output Power vs. Power Suppy
R
L
= 4
@
f = 1 kHz
0.01
0.1
1.0
10
100
1000
10000
100000
Figure 23. THD+N vs. Frequency
R
L
= 8
, P
out
= 250 mW @ f = 1 kHz
Figure 24. THD+N vs. Frequency
R
L
= 4
, P
out
= 250 mW @ f = 1 kHz
Figure 25. PSRR vs. Frequency
Inputs Grounded, R
L
= 8
, Vripple = 200 mvpkpk
Figure 26. PSRR vs. Frequency
Inputs grounded, R
L
= 4
, Vripple = 200 mVpkpk
0
2.5
0.5
1.0
1.5
2.0
3.0
3.5
4.0
P
o
4.5
5.0
THD+N = 10%
R
L
= 8
f = 1 kHz
THD+N = 1%
POWER SUPPLY (V)
0
2.5
0.5
1.0
1.5
2.0
3.0
3.5
4.0
P
o
4.5
THD+N = 10%
THD+N = 1%
2.5
3.0
R
L
= 4
f = 1 kHz
FREQUENCY (Hz)
T
V
p
= 2.5 V
V
p
= 3.6 V
V
p
= 5 V
V
p
= 3.6 V
5.0
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|---|---|
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