ssm2517 Analog Devices, Inc., ssm2517 Datasheet - Page 9

• Manufacturer Part Number: ssm2517
• Description: Pdm Digital Input, Mono 2.4 W Class-d Audio Amplifier Ssm2517
• Manufacturer: Analog Devices, Inc.

Figure 10. THD + N vs. Output Power into 4 Ω, Gain = 3.6 V, f
0.01
0.01
0.01
100
100
100
0.1
0.1
0.1
Figure 12. THD + N vs. Frequency, PVDD = 3.6 V, Gain = 3.6 V,
10
10
10
0.001
1
1
Figure 11. THD + N vs. Frequency, PVDD = 5 V, Gain = 5 V,
1
10
10
R
GAIN = 3.6V
SAMPLE RATE = 64×
(3.072MHz)
R
PVDD = 5V
GAIN = 5V
SAMPLE RATE = 64×
(3.072MHz)
R
PVDD = 3.6V
GAIN = 3.6V
SAMPLE RATE = 64×
(3.072MHz)
L
L
L
= 4Ω + 15µH
= 8Ω + 33µH
= 8Ω + 33µH
0.01
100
100
0.125W
0.25W
1.0W
0.5W
R
R
OUTPUT POWER (W)
L
L
FREQUENCY (Hz)
FREQUENCY (Hz)
= 8 Ω, f
= 8 Ω, f
PVDD = 2.5V
PVDD = 3.6V
0.1
1k
1k
S
S
= 64×
= 64×
0.25W
0.5W
10k
10k
1
PVDD = 5V
S
= 64×
100k
100k
10
Rev. A | Page 9 of 16
Figure 13. THD + N vs. Output Power into 4 Ω, Gain = 3.6 V, f
0.01
0.01
0.01
100
100
100
0.1
0.1
0.1
Figure 15. THD + N vs. Frequency, PVDD = 3.6 V, Gain = 3.6 V,
10
10
10
0.001
1
1
1
Figure 14. THD + N vs. Frequency, PVDD = 5 V, Gain = 5 V,
10
10
R
GAIN = 3.6V
SAMPLE RATE = 128×
(6.144MHz)
R
PVDD = 5V
GAIN = 5V
SAMPLE RATE = 64×
(3.072MHz)
R
PVDD = 3.6V
GAIN = 3.6V
SAMPLE RATE = 64×
(3.072MHz)
L
L
L
= 4Ω + 15µH
= 4Ω + 15µH
= 4Ω + 15µH
0.01
100
100
0.125W
0.25W
1.0W
0.5W
R
R
OUTPUT POWER (W)
L
L
FREQUENCY (Hz)
FREQUENCY (Hz)
= 4 Ω, f
= 4 Ω, f
PVDD = 2.5V
PVDD = 3.6V
0.1
1k
1k
S
S
= 64×
= 64×
0.5W
0.25W
10k
10k
1
PVDD = 5V
SSM2517
S
= 128×
100k
100k
10