
SSM2301
Rev. A | Page 7 of 16
100
0.0001
10
100k
FREQUENCY (Hz)
T
H
D
+
N
(
%
)
VDD = 2.5V
GAIN = 6dB
RL = 8, 15H
10
1
0.1
0.01
0.001
100
1k
10k
0.25W
0.075W
0.125W
0
61
63
-01
1
Figure 10. THD + N vs. Frequency, VDD = 2.5 V, AV = 6 dB, RL = 8 Ω
100
0.0001
10
100k
FREQUENCY (Hz)
T
H
D
+
N
(
%
)
VDD = 2.5V
GAIN = 12dB
RL = 8, 15H
10
1
0.1
0.01
0.001
100
1k
10k
0.25W
0.075W
0.125W
0
61
63
-01
2
Figure 11. THD + N vs. Frequency, VDD = 2.5 V, AV = 12 dB, RL = 8 Ω
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
2.5
5.5
5.0
4.5
4.0
3.5
3.0
SUPPLY VOLTAGE (V)
S
UP
P
L
Y
C
URRE
NT
(m
A)
0
61
63
-01
9
Figure 12. Supply Current vs. Supply Voltage, No Load
12
10
8
6
4
2
0
00
0.7
0.6
0.5
0.3
0.1
0.4
0.2
SHUTDOWN VOLTAGE (V)
S
H
UT
D
O
W
N
CURRE
NT
(
A)
.8
VDD = 3.6V
VDD = 2.5V
0
61
63
-02
0
VDD = 5.0V
Figure 13. Shutdown Current vs. Shutdown Voltage
1.6
0
2.5
5.0
SUPPLY VOLTAGE (V)
O
UT
P
UT
P
O
W
E
R
(
W
)
10%
1%
f = 1kHz
GAIN = 6dB
RL = 8
1.4
1.2
1.0
0.8
0.6
0.4
0.2
3.0
3.5
4.0
4.5
0
61
63
-02
1
Figure 14. Maximum Output Power vs. Supply Voltage, AV = 6 dB, RL = 8 Ω,
1.8
1.6
0
2.5
5.0
SUPPLY VOLTAGE (V)
O
UT
P
UT
P
O
W
E
R
(
W
)
10%
1%
f = 1kHz
GAIN = 12dB
RL = 8
1.4
1.2
1.0
0.8
0.6
0.4
0.2
3.0
3.5
4.0
4.5
0
61
63
-02
2
Figure 15. Maximum Output Power vs. Supply Voltage, AV = 12 dB, RL = 8 Ω