ncp4896 ON Semiconductor, ncp4896 Datasheet - Page 7

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

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Figure 16. PSRR vs. Gain (BTL Mode) @ VP = 3.6 V
0
0
0
10
10
10
Figure 14. PSRR (BTL Mode) @ VP = 5.0 V
Figure 18. PSRR (SE Mode) @ VP = 3.6 V
VP = 5.0 V
RF = Ri = 20 kW, C
BTL Mode
R
V
VP = 3.6 V
RF = Ri = 20 kW, C
SE Mode
R
V
VP = 3.6 V
RF = Ri = 20 kW and RF = Ri = 100 kW
BTL Mode
R
V
ripple
L
ripple
L
ripple
L
= 8 W
= 32 W
= 8 W
= 200 mV pk−pk
= 200 mV pk−pk
= 200 mV pk−pk
100
100
100
GAIN = 5
GAIN = 1
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
b
b
= 1.0 mF
1000
1000
= 1.0 mF
1000
TYPICAL PERFORMANCE CHARACTERISTICS
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http://onsemi.com
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NCP4896
7
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0
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0
0
10
10
Figure 15. PSRR vs. C
C
b
=1.0 mF
Figure 19. PSRR (SE Mode) @ VP = 5.0 V
VP = 3.6 V
RF = Ri = 20 kW
BTL Mode
R
V
VP = 2.6 V
RF = Ri = 20 kW, C
SE Mode
R
V
Figure 17. PSRR (SE Mode) @ VP = 2.6 V
VP = 5.0 V
RF = Ri = 20 kW, C
SE Mode
R
V
ripple
L
ripple
L
ripple
L
= 8 W
= 32 W
= 32 W
= 200 mV pk−pk
= 200 mV pk−pk
= 200 mV pk−pk
100
100
100
C
b
=0.47 mF
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
C
b
= 4.7 mF
b
b
= 1.0 mF
1000
b
= 1.0 mF
1000
1000
(BTL Mode) @ VP = 3.6 V
10000
10000
10000
100000
100000
100000