ncp2890-d ON Semiconductor, ncp2890-d Datasheet - Page 6

• Manufacturer Part Number: ncp2890-d
• Description: 1w Audio Power Amplifier
• Manufacturer: ON Semiconductor

0.001
0.001
0.01
0.01
1700
1500
1300
1100
0.1
0.1
900
700
500
300
100
10
10
1
1
0
0
2.0
Figure 11. Output Power versus Power Supply
f = 1 kHz
R
Figure 7. THD + N versus Power Out
Figure 9. THD + N versus Power Out
V
R
1 kHz
A
L
100
V
p
L
= 8 W
2.5
V
R
1 kHz
A
= 3.3 V
= 8 W
= 2
V
p
L
= 2.6 V
= 8 W
= 2
100
P
P
200
out
out
3.0
POWER SUPPLY (V)
, POWER OUT (mW)
, POWER OUT (mW)
300
200
3.5
TYPICAL PERFORMANCE CHARACTERISTICS
THD+N = 10%
400
4.0
300
THD+N = 1%
500
NCP2890, NCV2890
4.5
http://onsemi.com
600
400
5.0
6
0.001
0.01
0.01
−30
−35
−40
−45
−50
−55
−60
−65
−70
0.1
0.1
10
10
1
1
0
0
10
V
R
R
A
V
C
V
ripple
p
L
in
bypass
Figure 10. THD + N versus Power Out
= 5 V
= 8 W
= 2
Figure 8. THD + N versus Power Out
= 10 W
V
R
1 kHz
A
V
R
1 kHz
A
100
100
= 200 mV
V
p
L
V
p
L
= 1 mF
= 2.6 V
= 2
= 4 W
Figure 12. P
= 3 V
= 8 W
= 2
100
P
P
out
out
pk−pk
FREQUENCY (Hz)
, POWER OUT (mW)
, POWER OUT (mW)
200
200
1000
SRR
@ V
300
300
p
= 5 V
10,000
400
400
100,000
500
500