SSM2377
Rev. 0 | Page 8 of 16
100
10
1
0.1
0.01
0.001
10
100k
T
HD
+
N
(
%
)
FREQUENCY (Hz)
100
1k
10k
VDD = 5V
GAIN = 6dB
RL = 4 + 15H
2W
0.5W
1W
09
82
4-
0
9
Figure 9. THD + N vs. Frequency, VDD = 5 V, RL = 4 Ω, Gain = 6 dB
100
10
1
0.1
0.01
0.001
10
100k
T
HD
+
N
(
%
)
FREQUENCY (Hz)
100
1k
10k
VDD = 3.6V
GAIN = 6dB
RL =8 + 33H
0.25W
0.125W
0.5W
09
82
4-
0
1
Figure 10. THD + N vs. Frequency, VDD = 3.6 V, RL = 8 Ω, Gain = 6 dB
100
10
1
0.1
0.01
0.001
10
100k
T
HD
+
N
(
%
)
FREQUENCY (Hz)
100
1k
10k
VDD = 3.6V
GAIN = 6dB
RL = 4 + 15H
0.25W
0.5W
1W
09
82
4-
0
1
3
Figure 11. THD + N vs. Frequency, VDD = 3.6 V, RL = 4 Ω, Gain = 6 dB
100
10
1
0.1
0.01
0.001
10
100k
T
HD
+
N
(
%
)
FREQUENCY (Hz)
100
1k
10k
VDD = 5V
GAIN = 12dB
RL = 4 + 15H
2W
0.5W
1W
09
82
4-
0
1
0
Figure 12. THD + N vs. Frequency, VDD = 5 V, RL = 4 Ω, Gain = 12 dB
100
10
1
0.1
0.01
0.001
10
100k
T
HD
+
N
(
%
)
FREQUENCY (Hz)
100
1k
10k
VDD = 3.6V
GAIN = 12dB
RL =8 + 33H
0.25W
0.5W
09
82
4-
0
1
2
0.125W
Figure 13. THD + N vs. Frequency, VDD = 3.6 V, RL = 8 Ω, Gain = 12 dB
100
10
1
0.1
0.01
0.001
10
100k
T
HD
+
N
(
%
)
FREQUENCY (Hz)
100
1k
10k
VDD = 3.6V
GAIN = 12dB
RL = 4 + 15H
0.25W
0.5W
1W
09
82
4-
0
1
4
Figure 14. THD + N vs. Frequency, VDD = 3.6 V, RL = 4 Ω, Gain = 12 dB