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NCP2821 Datasheet(PDF) 7 Page - ON Semiconductor

Part No. NCP2821
Description  2.65 W Filterless with Selectable Gain Class−D Audio Amplifier
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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 7 page
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NCP2821
http://onsemi.com
7
TYPICAL CHARACTERISTICS
0.01
0.1
1.0
10
0
0.1
0.2
0.3
0.4
0.5
0.6
Pout (W)
Vp = 3 V
RL = 8 W
f = 1 kHz
0.01
0.1
1.0
10
0
0.2
0.4
0.6
0.8
1.0
1.2
Pout (W)
Vp = 4.2 V
RL = 8 W
f = 1 kHz
0
10
20
30
40
50
60
70
80
90
0
0.4
0.8
1.2
Pout (W)
Vp = 3.6 V
RL = 4 W
NCP2821
Class AB
0.2
0.6
1.0
100
0
0.2
0.4
Pout (W)
0.6
0.8
90
80
70
60
50
40
30
20
1.0
Vp = 3.6 V
RL = 4 W
NCP2821
Class AB
Figure 9. Efficiency vs. Pout
Vp = 3.6 V, RL = 4 W, f = 1 kHz
Figure 10. Die Temperature vs. Pout
Vp = 3.6 V, RL = 4 W, f = 1 kHz @ TA = +25°C
Figure 11. THD+N vs. Pout
Vp = 5 V, RL = 8 W, f = 1 kHz
0.01
0.1
1.0
10
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Figure 12. THD+N vs. Pout
Vp = 4.2 V, RL = 8 W, f = 1 kHz
Figure 13. THD+N vs. Pout
Vp = 3.6 V, RL = 8 W, f = 1 kHz
Figure 14. THD+N vs. Pout
Vp = 3 V, RL = 8 W, f = 1 kHz
Pout (W)
Vp = 5.0 V
RL = 8 W
f = 1 kHz
0.01
0.1
1.0
10
0
0.2
0.4
0.6
0.8
Pout (W)
Vp = 3.6 V
RL = 8 W
f = 1 kHz




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