SSM2305RMZ-R2 Analog Devices Inc, SSM2305RMZ-R2 Datasheet - Page 8

• 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

SSM2305
3.0
2.5
2.0
1.5
1.0
0.5
3.0
2.5
2.0
1.5
1.0
0.5
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0
Figure 16. Maximum Output Power vs. Supply Voltage,
Figure 17. Maximum Output Power vs. Supply Voltage,
Figure 18. Maximum Output Power vs. Supply Voltage,
2.5
2.5
2.5
f = 1kHz
GAIN = 18dB
R
f = 1kHz
GAIN = 6dB
R
f = 1kHz
GAIN = 18dB
R
L
L
L
= 4Ω + 33µH
= 4Ω + 33µH
= 8Ω + 33µH
3.0
3.0
3.0
R
R
R
L
L
L
= 4 Ω + 33 μH, A
= 8 Ω + 33 μH, A
= 4 Ω + 33 μH, A
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
3.5
3.5
3.5
10%
10%
10%
1%
1%
1%
V
V
V
= 18 dB
= 18 dB
= 6 dB
4.0
4.0
4.0
4.5
4.5
4.5
5
5.0
5.0
.0
Rev. A | Page 8 of 16
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
Figure 19. Maximum Output Power vs. Supply Voltage,
Figure 20. Efficiency vs. Output Power into 4 Ω + 33 μH
Figure 21. Efficiency vs. Output Power into 8 Ω + 33 μH
2.5
0
0
0
0
R
GAIN = 18dB
R
GAIN = 18dB
L
L
f = 1kHz
GAIN = 6dB
R
= 4Ω + 33µH
= 8Ω + 33µH
0.2
V
L
DD
0.2
= 8Ω + 33µH
= 2.5V
3.0
V
0.4
DD
R
L
0.4
= 2.5V
= 8 Ω + 33 μH, A
0.6
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
OUTPUT POWER (W)
V
3.5
DD
V
0.8
0.6
10%
DD
= 5V
= 3.6V
V
1.0
DD
1%
0.8
V
= 3.6V
V
= 6 dB
4.0
DD
1.2
= 5V
1.0
1.4
4.5
1.6
1.2
1.8
1.4
5.0
2.0