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SSM2304
Rev. 0 | Page 8 of 20
100
0.0001
20
20k
FREQUENCY (Hz)
T
HD
+
N
(
%
)
VDD = 2.5V
RL = 8, 33H
GAIN = 18dB
0.125W
0.075W
10
1
0.1
0.01
0.001
100
1k
10k
06
16
2-
0
27
0.25W
Figure 15. THD + N vs. Frequency, VDD = 2.5 V, RL = 8 Ω, AV = 18 dB
100
0.0001
20
20k
FREQUENCY (Hz)
T
HD
+
N
(
%
)
VDD = 5V
RL = 4, 33H
GAIN = 18dB
1W
0.5W
10
1
0.1
0.01
0.001
100
1k
10k
06
16
2-
0
28
2W
Figure 16. THD + N vs. Frequency, VDD = 5 V, RL = 4 Ω, AV = 18 dB
100
0.0001
20
20k
FREQUENCY (Hz)
TH
D
+
N
(
%
)
VDD = 3.6V
RL = 4, 33H
GAIN = 18dB
0.5W
0.25W
10
1
0.1
0.01
0.001
100
1k
10k
06
16
2-
0
29
1W
Figure 17. THD + N vs. Frequency, VDD = 3.6 V, RL = 4 Ω, AV = 18 dB
100
0.0001
20
20k
FREQUENCY (Hz)
T
HD
+
N
(
%
)
VDD = 2.5V
RL = 4, 33H
GAIN = 18dB
0.25W
0.125W
10
1
0.1
0.01
0.001
100
1k
10k
06
16
2-
0
41
0.5W
Figure 18. THD + N vs. Frequency, VDD = 2.5 V, RL = 4 Ω, AV = 18 dB
9
0
2.5
5.5
SUPPLY VOLTAGE (V)
SUPP
L
Y
CU
RR
E
N
T
(mA
)
8
7
6
5
4
3
2
1
3.0
3.5
4.0
4.5
5.0
06
16
2-
0
08
Figure 19. Supply Current vs. Supply Voltage, No Load
12
0
00
SHUTDOWN VOLTAGE (V)
S
HUT
DO
W
N
CURR
E
NT
(
A
)
.8
10
8
6
4
2
0.1
0.2
0.3
0.4
0.5
0.6
0.7
VDD = 2.5V
VDD = 3.6V
VDD = 5V
06
16
2-
0
09
Figure 20. Supply Current vs. Shutdown Voltage