ncp4896 ON Semiconductor, ncp4896 Datasheet - Page 6

• Manufacturer Part Number: ncp4896
• Description: 1w Audio Amplifier With Earpiece Driving Capability
• Manufacturer: ON Semiconductor

10.000
10.000
1.000
0.100
0.010
0.001
1.000
0.100
0.010
0.001
−100
−10
−20
−30
−40
−50
−60
−70
−80
−90
0
10
0
0
Figure 12. PSRR (BTL Mode) @ VP = 2.6 V
VP = 5.0 V
RF = Ri = 20 kW
SE Mode
R
f = 1.0 kHz
VP = 2.6 V
RF = Ri = 20 kW
SE Mode
R
f = 1.0 kHz
L
L
VP = 2.6 V
RF = Ri = 20 kW, C
BTL Mode
R
V
Figure 8. THD + N vs. Output Power
5.0
ripple
= 32 W
= 32 W
L
Figure 10. THD + N vs. Output Power
20
= 8 W
100
= 200 mV pk−pk
OUTPUT POWER (mW)
OUTPUT POWER (mW)
10
FREQUENCY (Hz)
40
(SE Mode)
(SE Mode)
1000
b
= 1.0 mF
15
TYPICAL PERFORMANCE CHARACTERISTICS
60
20
10000
80
25
http://onsemi.com
100
100000
NCP4896
30
6
10.000
1.000
0.100
0.010
0.001
1.000
0.100
0.010
0.001
−100
−10
−20
−30
−40
−50
−60
−70
−80
−90
0
10
10
0
Figure 13. PSRR (BTL Mode) @ VP = 3.6 V
VP = 3.6 V
RF = Ri = 20 kW, C
BTL Mode
R
V
VP = 3.0 V
RF = Ri = 20 kW
SE Mode
R
f = 1.0 kHz
ripple
L
L
= 8 W
= 32 W
Figure 9. THD + N vs. Output Power
Figure 11. THD + N vs. Frequency
= 200 mV pk−pk
100
100
10
OUTPUT POWER (mW)
FREQUENCY (Hz)
FREQUENCY (Hz)
VP = 4.2 V
RF = Ri = 20 kW
SE Mode
R
P
out
L
= 32 W
b
= 50 mW
(SE Mode)
(SE Mode)
= 1.0 mF
1000
1000
20
10000
10000
30
100000
100000
40