ssm2317 Analog Devices, Inc., ssm2317 Datasheet - Page 7

• Manufacturer Part Number: ssm2317
• Description: Filterless High Efficiency Mono 3 W Class-d Audio Amplifier
• Manufacturer: Analog Devices, Inc.

TYPICAL PERFORMANCE CHARACTERISTICS
Figure 3. THD + N vs. Output Power into 8 Ω + 33 μH, Gain = 18 dB
Figure 4. THD + N vs. Output Power into 4 Ω + 33 μH, Gain = 18 dB
Figure 5. THD + N vs. Output Power into 3 Ω + 33 μH, Gain = 18 dB
0.001
0.001
0.001
0.01
0.01
0.01
100
100
100
0.1
0.1
0.1
10
0.0001
10
0.0001
10
0.0001
1
1
1
R
GAIN = 18dB
R
GAIN = 18dB
R
GAIN = 18dB
L
L
L
= 8Ω + 33µH
= 4Ω + 33µH
= 3Ω + 33µH
0.001
0.001
0.001
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
0.01
0.01
0.01
V
DD
V
V
V
DD
= 2.5V
DD
0.1
0.1
DD
0.1
V
V
= 2.5V
= 3.6V
DD
= 2.5V
DD
= 3.6V
= 3.6V
1
1
1
V
V
V
DD
DD
DD
= 5V
= 5V
= 5V
10
10
10
Rev. A | Page 7 of 20
Figure 6. THD + N vs. Frequency, V
Figure 7. THD + N vs. Frequency, V
Figure 8. 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
= 8Ω + 33µH
= 4Ω + 33µH
= 3Ω + 33µH
= 5V
= 5V
= 5V
100
100
100
0.25W
0.5W
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
0.75W
DD
DD
DD
1k
1k
1k
= 5 V, R
= 5 V, R
= 5 V, R
1.5W
3W
1W
0.5W
L
L
L
= 8 Ω + 33 μH, Gain = 18 dB
= 4 Ω + 33 μH, Gain = 18 dB
= 3 Ω + 33 μH, Gain = 18 dB
10k
10k
10k
2W
SSM2317
1W
100k
100k
100k