ncp4896 ON Semiconductor, ncp4896 Datasheet - Page 8

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

−100
3.2
3.0
2.8
2.6
2.4
2.2
2.0
−10
−20
−30
−40
−50
−60
−70
−80
−90
50
40
30
20
10
−40
0
0
10
10
Figure 24. Quiescent Current (BTL Mode) vs. VP
Figure 20. PSRR vs. C
C
Figure 22. Output Noise Voltage (BTL Mode)
b
VP = 3.6 V
RF = Ri = 20 kW
BTL Mode
R
=1.0 mF
VP = 3.6 V
RF = Ri = 20 kW
SE Mode
R
V
L
ripple
L
= 8 W
= 32 W
−15
= 200 mV pk−pk
100
VP = 2.2 V
C
VP = 3.0 V
VP = 5.5 V
b
=0.47 mF
100
TEMPERATURE (C )
FREQUENCY (Hz)
FREQUENCY (Hz)
10
@ VP = 3.6 V
NCP4896 ON
NCP4896 OFF
C
1000
b
b
= 4.7 mF
(SE Mode) @ VP = 3.6 V
TYPICAL PERFORMANCE CHARACTERISTICS
35
VP = 5.0 V
1000
RF = Ri = 20 W
BTL MODE
R
L
10000
= 8 W
60
http://onsemi.com
100000
10000
NCP4896
85
8
−100
−10
−20
−30
−40
−50
−60
−70
−80
−90
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
50
40
30
20
10
0
10
Figure 21. PSRR vs. Gain (SE Mode) @ VP = 3.6 V
0
10
−40
Figure 25. Quiescent Current (SE Mode) vs. VP
Figure 23. Output Noise Voltage (SE Mode)
VP = 3.6 V
RF = Ri = 20 kW and RF = Ri = 100 kW
SE Mode
R
V
VP = 3.6 V
RF = Ri = 20 kW
SE Mode
R
VP = 5.0 V
ripple
L
L
= 8 W
= 32 W
−15
= 200 mV pk−pk
100
GAIN = 5
GAIN = 1
VP = 2.2 V
VP = 3.0 V
100
FREQUENCY (Hz)
FREQUENCY (Hz)
TEMPERATURE (C )
@ VP = 3.6 V
NCP4896 ON
10
NCP4896 OFF
1000
VP = 5.5 V
35
1000
RF = Ri = 20 W
SE MODE
R
10000
L
=32 W
60
100000
10000
85