SSM2305RMZ-R2 Analog Devices Inc, SSM2305RMZ-R2 Datasheet - Page 9

• Manufacturer Part Number: SSM2305RMZ-R2
• Description: Mono 2W Class D Audio Amp
• Manufacturer: Analog Devices Inc
• Type: Class Dr

Specifications of SSM2305RMZ-R2

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 2.8W x 1 @ 4 Ohm
• Voltage - Supply: 2.2 V ~ 5.5 V
• Features: Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Operational Class: Class-D
• Audio Amplifier Output Configuration: 1-Channel Mono
• Output Power (typ): 2.8x1@4OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.02@8Ohm@1W%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 85dB
• Single Supply Voltage (min): 2.5V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: MSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 22. Power Dissipation vs. Output Power into 4 Ω + 33 μH
Figure 23. Power Dissipation vs. Output Power into 8 Ω + 33 μH
Figure 24. Power Dissipation vs. Output Power into 4 Ω + 33 μH
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.6
0.5
0.4
0.3
0.2
0.1
0
0
0
0
0
0
V
R
V
R
V
R
DD
DD
L
L
0.2
DD
L
0.2
= 4Ω + 33µH
= 8Ω + 33µH
= 4Ω + 33µH
= 5.0V
= 5.0V
= 3.6V
0.5
0.4
0.4
1.0
0.6
at V
at V
at V
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
0.6
DD
DD
DD
0.8
= 5.0 V
= 5.0 V
= 3.6 V
0.8
1.5
1.0
1.0
1.2
2.0
1.2
1.4
2.5
1.4
1.6
3.0
1.8
1.6
Rev. A | Page 9 of 16
Figure 25. Power Dissipation vs. Output Power into 8 Ω + 33 μH
Figure 26. Supply Current vs. Output Power into 4 Ω + 33 μH
Figure 27. Supply Current vs. Output Power into 8 Ω + 33 μH
0.14
0.12
0.10
0.08
0.06
0.04
0.02
800
700
600
500
400
300
200
100
450
400
350
300
250
200
150
100
50
0
0
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
0
0
V
R
R
DD
V
R
L
L
0.1
V
0.2
DD
L
= 4Ω + 33µH
= 8Ω + 33µH
= 2.5V
DD
= 8Ω + 33µH
= 3.6V
= 2.5V
0.2
0.4
0.3
0.6
at V
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
0.4
DD
V
V
0.8
DD
DD
= 3.6 V
= 3.6V
= 3.6V
0.5
1.0
0.6
1.2
0.7
1.4
0.8
V
SSM2305
DD
V
DD
1.6
= 5V
0.9
= 5V
1.0
1.8