NCP4894 ON Semiconductor, NCP4894 Datasheet - Page 7

• Manufacturer Part Number: NCP4894
• Description: Differential Audio Power Amplifier
• Manufacturer: ON Semiconductor

0.001
−100
0.01
2000
1800
1600
1400
1200
1000
−10
−20
−30
−40
−50
−60
−70
−80
−90
800
600
400
200
0.1
10
1
0
0
100
0
2.5
VP = 3 V
R
V
Inputs grounded with 10 W
Av = 1
Cb = 1 mF
R
f = 1 kHz
ripple
L
L
= 8 W
Figure 8. THDN versus Output Power
= 8 W
Figure 10. THDN versus Output Power
3.0
= 200 mV pk=pk
Figure 12. PSRR @ VP = 3 V
100
OUTPUT POWER (mW)
1000
3.5
POIWER SUPPLY (V)
THD+N = 10%
FREQUENCY (Hz)
VP = 2.6 V
R
f = 1 kHz
L
4.0
= 8 W
TYPICAL PERFORMANCE CHARACTERISTICS
200
THD+N = 1%
10000
4.5
5.0
300
http://onsemi.com
100000
NCP4894
5.5
7
0.001
0.01
−100
−100
0.1
−10
−20
−30
−40
−50
−60
−70
−80
−90
10
−10
−20
−30
−40
−50
−60
−70
−80
−90
1
0
100
0
100
0
VP = 5 V
R
V
Inputs grounded with 10 W
Av = 1
Cb = 1 mF
VP = 2.2 V
R
V
Inputs grounded with 10 W
Av = 1
Cb = 1 mF
ripple
L
ripple
L
Figure 9. THDN versus Output Power
= 8 W
= 8 W
200
= 200 mV pk−pk
= 200 mV pk−pk
Figure 13. PSRR @ VP = 2.2 V
Figure 11. PSRR @ VP = 5 V
OUTPUT POWER (mW)
1000
1000
FREQUENCY (Hz)
FREQUENCY (Hz)
400
VP = 3.6 V
R
f = 1 kHz
L
= 4 W
600
10000
10000
800
100000
100000
1000