SSM2377
Rev. 0 | Page 9 of 16
100
10
1
0.1
0.01
0.001
10
100k
T
HD
+
N
(
%
)
FREQUENCY (Hz)
100
1k
10k
VDD = 2.5V
GAIN = 6dB
RL = 8 + 33H
0.125W
0.25W
09
82
4-
0
1
5
0.0625W
Figure 15. THD + N vs. Frequency, VDD = 2.5 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 = 2.5V
GAIN = 6dB
RL = 4 + 15H
0.125W
0.25W
0.5W
09
82
4-
0
17
Figure 16. THD + N vs. Frequency, VDD = 2.5 V, RL = 4 Ω, Gain = 6 dB
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Q
U
IE
S
CE
NT
CU
RRE
NT
(
m
A)
SUPPLY VOLTAGE (V)
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
GAIN = 6dB
NO LOAD
RL = 4 + 15H
09
82
4-
0
19
RL = 8 + 33H
Figure 17. Quiescent Current vs. Supply Voltage, Gain = 6 dB
100
10
1
0.1
0.01
0.001
10
100k
T
HD
+
N
(
%
)
FREQUENCY (Hz)
100
1k
10k
VDD = 2.5V
GAIN = 12dB
RL = 8 + 33H
0.125W
0.25W
09
82
4-
0
1
6
0.0625W
Figure 18. THD + N vs. Frequency, VDD = 2.5 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 = 2.5V
GAIN = 12dB
RL = 4 + 15H
0.125W
0.25W
0.5W
09
82
4-
0
18
Figure 19. THD + N vs. Frequency, VDD = 2.5 V, RL = 4 Ω, Gain = 12 dB
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Q
U
IE
S
CE
NT
CU
RRE
NT
(
m
A)
SUPPLY VOLTAGE (V)
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
GAIN = 12dB
NO LOAD
RL = 4 + 15H
09
82
4-
0
20
RL = 8 + 33H
Figure 20. Quiescent Current vs. Supply Voltage, Gain = 12 dB