Datasheet

Data Sheet SSM2518
Rev. A | Page 13 of 48
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT POWER ( W)
SUPPLY VOLTAGE (V)
GAIN = 5V
R
L
= 8, 33µH
1kHz
10175-026
1%
5%
10%
0
0.5
1.0
1.5
2.0
2.5
2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT POWER (W)
SUPPLY VOLTAGE (V)
1%
5%
10%
GAIN = 5V
R
L
= 4, 15µH
1kHz
10242-024
Figure 18. Maximum Output Power vs. Supply Voltage, R
L
= 4 Ω Figure 21. Maximum Output Power vs. Supply Voltage, R
L
= 8 Ω
0
10
20
30
40
50
60
70
80
90
100
0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2
EFFICIENCY (%)
COMBINED OUTPUT POWER, BOTH CHANNELS (W)
5V
3.6V
2.5V
R
L
= 8 + 33µ
10175-029
0
10
20
30
40
50
60
70
80
90
100
0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 4.4 4.8
EFFICIENCY (%)
COMBINED OUTPUT POWER, BOTH CHANNELS (W)
5V
3.6V
2.5V
R
L
= 4, 15µ
10242-028
Figure 22. Efficiency vs. Output Power into 8 Ω
Figure 19. Efficiency vs. Output Power into 4 Ω
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
10 100 1k 10k 100k
PVDD = 2.5V
PVDD = 3.6V
PVDD = 5V
PSRR (dB)
FREQUENCY (Hz)
10242-030
–140
–120
–100
–80
–60
–40
–20
0
20 200 2k
FREQUENCY (Hz)
CROSSTALK (dB)
20k
PVDD = 5V
R
L
= 8, 33H
P
O
= 100mW
LEFT TO RIGHT
RIGHT TO LEFT
10242-027
Figure 23. PSRR vs. Frequency
Figure 20. Crosstalk vs. Frequency