IS31AP4991A-GRLS2-TR Datasheet, PDF (6/11 Pages) Integrated Silicon Solution, Inc – 1.1W AUDIO POWER AMPLIFIER WITH ACTIVE-LOW SHUTDOWN MODE

IS31AP4991A
TYPICAL PERFORMANCE CHARACTERISTIC
20
10 VCC = 3.0V
RL = 8Ω
5 f = 1kHz
2
1
0.5
0.2
0.1
0.05
0.02
0.01
10m 20m
50m 100m 200m
5 0 0m
1
Output Power(W)
Figure 3 THD+N vs. Output Power
20
10 ^{VCC = 3.0V}
PO = 0.25W
RL = 8Ω
2
1
20
10 ^{VCC = 5.0V}
RL = 8Ω
5 f = 1kHz
2
1
0.5
0.2
0.1
0.05
0.02
0.01
10m 20m
50m 100m 200m
500m 1
2
Output Power(W)
Figure 4 THD+N vs. Output Power
20
10 ^{VCC = 5.0V}
PO = 0.8W
RL = 8Ω
2
1
0.2
0.1
0.05
0.02
0.01
20
50 100 200 500 1k 2k
Frequency(H z)
Figure 5 THD+N vs. Frequency
+0
VCC = 5.0V
-20 ^{RL = 8Ω}
5k 10k 20k
-4 0
-6 0
-8 0
-1 0 0
-1 2 0
20
50 100 200 500 1k 2k
Frequency(H z)
Figure 7 PSRR vs. Frequency
5k 10k 20k
0.2
0.1
0.05
0.02
0.01
20
50 100 200 500 1k 2k
Frequency(H z)
1 0 0u
7 0u
Figure 6 THD+N vs. Frequency
VCC = 5.0V
5k 10k 20k
5 0u
4 0u
3 0u
2 0u
1 0u
20
50 100 200 500 1k 2k
Frequency(H z)
Figure 8 Noise Floor
5k 10k 20k
Integrated Silicon Solution, Inc. – www.issi.com
6
Rev. C, 05/13/2013