NCP2890FCT1 Datasheet, PDF (6/16 Pages) ON Semiconductor – 1.0 Watt Audio Power Amplifier

10
V_p = 3.3 V
1
R_L = 8 W
1 kHz
A_V = 2
0.1
NCP2890, NCV2890
TYPICAL PERFORMANCE CHARACTERISTICS
10
V_p = 3 V
1
R_L = 8 W
1 kHz
A_V = 2
0.1
0.01
0.01
0.001
0
0.001
100
200
300
400
500
600
0
100
200
300
400
500
P_out, POWER OUT (mW)
Figure 7. THD + N versus Power Out
P_out, POWER OUT (mW)
Figure 8. THD + N versus Power Out
10
V_p = 2.6 V
R_L = 8 W
1
1 kHz
A_V = 2
0.1
0.01
10
V_p = 2.6 V
R_L = 4 W
1 kHz
1
A_V = 2
0.1
0.001
0
100
200
300
P_out, POWER OUT (mW)
Figure 9. THD + N versus Power Out
0.01
400
0
100
200
300
400
500
P_out, POWER OUT (mW)
Figure 10. THD + N versus Power Out
1700
1500
1300
1100
f = 1 kHz
R_L = 8 W
THD+N = 10%
900
THD+N = 1%
700
500
300
100
2.0 2.5
3.0
3.5
4.0
4.5
5.0
POWER SUPPLY (V)
Figure 11. Output Power versus Power Supply
−30
V_p = 5 V
−35 _{RL = 8 W}
−40
R_in = 10 W
A_V = 2
−45 ^{Vripple = 200 mVpk−pk}
C_bypass = 1 mF
−50
−55
−60
−65
−70
10
100
1000
10,000
FREQUENCY (Hz)
Figure 12. P_SRR @ V_p = 5 V
100,000
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