IS31AP2121-LQLS1 Datasheet, PDF (15/41 Pages) Integrated Silicon Solution, Inc – 2×25W STEREO / 1× 50W MONO DIGITAL AUDIO AMPLIFIER WITH 20 BANDS EQ FUNCTIONS, DRC AND 2.1CH MODE

IS31AP2121
+0
VCC = 24V
RL = 8Ω
-20 _Stereo
-4 0
-6 0
-80 _{Left to Right}
-1 0 0
-1 2 0
20
Right to Left
50 100 200
500 1k 2k
Frequency(H z)
Figure 22 Cross-Talk
+20
VCC = 24V
+0 RL = 8Ω
Stereo
-20
5k 10k 20k
-40
-60
-80
-100
-120
-140
0k 2k 4k 6k 8k 10k 12k 14k 16k 18k 20k
Frequency(H z)
Figure 24 Spectrum at -60dB Signal Input Level
100
90 ^VCC=8V
VCC=12V
80
70
VCC=15V
60
VCC=18V
50
VCC=24V
40
30
20
10 ^{RL = 8Ω}
Stereo
0
0 5 10 15 20 25 30 35 40 45 50
Output Power(W)
Figure 26 Efficiency vs. Output Power (Power Saving Mode)
+0
VCC = 12V
-2 0
RL = 8Ω
Stereo
-4 0
-6 0
-8 0
Left to Right
-1 0 0
-1 2 0
20
+20
+10
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120 _0k
Right to Left
50 100 200 500 1k 2k
Frequency(H z)
Figure 23 Cross-Talk
VCC = 24V
RL = 8Ω
Stereo
5k 10k 20k
2k 4k 6k 8k 10k 12k 14k 16k 18k 20k
Frequency(H z)
Figure 25 Spectrum at Peak SNR at -1dB Signal Input
45
40
RL = 8Ω
BTL Mode
35
30
THD+N = 10%
25
20
THD+N = 1%
15
10
5
0
10 12
14
16
18
20
22
24
26
Supply Voltage(V)
Figure 27 Output Power vs. Supply Voltage
Note: Dashed lines represent thermally limited region.
Integrated Silicon Solution, Inc. – www.issi.com
15
Rev. C, 10/20/2015