SSM2305RMZ-R2 Analog Devices Inc, SSM2305RMZ-R2 Datasheet - Page 7

• 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 10. THD + N vs. Frequency, V
Figure 11. THD + N vs. Frequency, V
Figure 12. THD + N vs. Frequency, V
0.001
0.001
0.001
0.01
0.01
0.01
100
100
100
0.1
0.1
0.1
10
10
10
1
1
1
10
10
10
V
GAIN = 18dB
R
V
GAIN = 18dB
R
V
GAIN = 18dB
R
DD
L
DD
L
DD
L
= 4Ω + 33µH
= 8Ω + 33µH
= 4Ω + 33µH
= 3.6V
= 3.6V
= 2.5V
100
100
100
1W
0.5W
0.5W
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
1000
1000
0.25W
1000
DD
DD
DD
0.5W
0.25W
0.25W
= 3.6 V, R
= 3.6 V, R
= 2.5 V, R
0.125W
0.25W
L
L
L
= 4 Ω + 33 μH, A
= 8 Ω + 33 μH, A
= 4 Ω + 33 μH, A
10000
10000
10000
100000
100000
100000
V
V
V
= 18 dB
= 18 dB
= 18 dB
Rev. A | Page 7 of 16
Figure 13. THD + N vs. Frequency, V
0.001
0.01
100
0.1
10
1
10
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
12
10
8
6
4
2
0
0.075W
2.5
0
Figure 15. Shutdown Current vs. Shutdown Voltage
V
GAIN = 18dB
R
DD
L
Figure 14. Supply Current vs. Supply Voltage
= 8Ω + 33µH
= 2.5V
0.1
3.0
100
R
L
0.2
= 8Ω + 33µH
0.25W
0.125W
3.5
SHUTDOWN VOLTAGE (V)
FREQUENCY (Hz)
SUPPLY VOLTAGE (V)
0.3
R
L
4.0
1000
DD
= 4Ω + 33µH
= 2.5 V, R
0.4
4.5
0.5
NO LOAD
L
V
= 8 Ω + 33 μH, A
DD
10000
5.0
V
= 2.5V
0.6
DD
V
DD
= 3.6V
= 5V
SSM2305
5.5
0.7
100000
V
= 18 dB
0.8
6.
0