
SSM2315
Rev. A | Page 7 of 16
100
10
1
0.1
0.01
0.001
10
100
1k
10k
100k
T
H
D
+
N
(
%
)
FREQUENCY (Hz)
VDD = 3.6V
GAIN = 6dB
RL = 8 + 33H
0.125W
0.5W
0.25W
06
85
7-
0
09
Figure 9. THD + N vs. Frequency, VDD = 3.6 V, RL = 8 Ω + 33 μH, Gain = 6 dB
100
10
1
0.1
0.01
0.001
10
100
1k
10k
100k
T
H
D
+
N
(
%
)
FREQUENCY (Hz)
VDD = 3.6V
GAIN = 6dB
RL = 4 + 33H
0.25W
0.5W
1W
06
85
7-
0
10
Figure 10. THD + N vs. Frequency, VDD = 3.6 V, RL = 4 Ω + 33 μH, Gain = 6 dB
100
10
1
0.1
0.01
0.001
10
100
1k
10k
100k
T
H
D
+
N
(
%
)
FREQUENCY (Hz)
VDD = 3.6V
GAIN = 6dB
RL = 3 + 33H
0.75W
0.38W
1.5W
06
85
7-
0
11
Figure 11. THD + N vs. Frequency, VDD = 3.6 V, RL = 3 Ω + 33 μH, Gain = 6 dB
100
10
1
0.1
0.01
0.001
10
100
1k
10k
100k
T
H
D
+
N
(
%
)
FREQUENCY (Hz)
VDD = 2.5V
GAIN = 6dB
RL = 8 + 33H
0.25W
0.125W
0.63W
06
85
7-
0
12
Figure 12. THD + N vs. Frequency, VDD = 2.5 V, RL = 8 Ω + 33 μH, Gain = 6 dB
100
10
1
0.1
0.01
0.001
10
100
1k
10k
100k
T
H
D
+
N
(
%
)
FREQUENCY (Hz)
VDD = 2.5V
GAIN = 6dB
RL = 4 + 33H
0.5W
0.125W
0.25W
06
85
7-
0
13
Figure 13. THD + N vs. Frequency, VDD = 2.5 V, RL = 4 Ω + 33 μH, Gain = 6 dB
100
10
1
0.1
0.01
0.001
10
100
1k
10k
100k
T
H
D
+
N
(
%
)
FREQUENCY (Hz)
VDD = 2.5V
GAIN = 6dB
RL = 3 + 33H
0.375W
0.188W
0.75W
06
85
7-
0
14
Figure 14. THD + N vs. Frequency, VDD = 2.5 V, RL = 3 Ω + 33 μH, Gain = 6 dB