SSM2306 AD [Analog Devices], SSM2306 Datasheet - Page 9

• Manufacturer Part Number: SSM2306
• Description: 2 W, Filterless, Class-D Stereo Audio Amplifier
• Manufacturer: AD [Analog Devices]

Figure 22. Power Dissipation vs. Output Power at V
Figure 21. Power Dissipation vs. Output Power at V
Figure 23. Power Dissipation vs. Output Power at V
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
0
V
R
FOR BOTH CHANNELS
V
R
FOR BOTH CHANNELS
DD
L
V
R
FOR BOTH CHANNELS
DD
L
DD
0.1
= 4Ω, 33µH
0.2
L
= 8Ω, 33µH
= 8Ω, 33µH
= 5V
= 3.6V
0.1
= 5V
0.2
0.4
0.2
0.3
0.6
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
0.4
0.8
0.3
0.5
1.0
0.4
0.6
1.2
0.5
0.7
1.4
0.8
1.6
0.6
DD
DD
DD
1.8
0.9
= 3.6 V, R
= 5 V, R
= 5 V, R
0.7
1.0
2.0
L
L
L
= 8 Ω
= 4 Ω
1.1
0.8
2.2
= 8 Ω
Rev. 0 | Page 9 of 16
Figure 24. Power Dissipation vs. Output Power at V
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
900
800
700
600
500
400
300
200
100
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6
0
0
R
I
V
R
FOR BOTH CHANNELS
SY
R
I
Figure 25. Supply Current vs. Output Power into 8 Ω
Figure 26. Supply Current vs. Output Power into 4 Ω
SY
DD
L
L
L
= 8Ω, 33µH
= 4Ω, 33µH
IS FOR BOTH CHANNELS
= 4Ω, 33µH
0.2
IS FOR BOTH CHANNELS
= 3.6V
0.2
V
0.4
V
DD
DD
0.4
= 2.5V
= 2.5V
0.6
OUTPUT POWER (W)
0.8
0.6
1.0
P
P
O
O
V
0.8
DD
(W)
(W)
1.2
= 3.6V
V
DD
1.0
1.4
= 3.6V
1.6
1.2
DD
V
1.8
= 3.6 V, R
DD
SSM2306
V
1.4
DD
= 5V
2.0
= 5V
L
2.2
1.6
= 4 Ω