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SSM4321ACBZ-R7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25
Data Sheet SSM4321
Rev. 0 | Page 9 of 24
100
10
1
0.1
0.01
0.001
10 100k10k1k100
THD + N (%)
FREQUENCY (Hz)
R
L
= 8Ω + 33µH
125mW
250mW
500mW
10752-109
Figure 9. THD + N vs. Frequency, PVDD = 3.6 V, R
L
= 8 Ω
100
10
1
0.1
0.01
0.001
10 100k10k1k100
THD + N (%)
FREQUENCY (Hz)
R
L
= 4Ω + 15µH
1W
250mW
500mW
10752-110
Figure 10. THD + N vs. Frequency, PVDD = 3.6 V, R
L
= 4 Ω
100
10
1
0.1
0.01
0.001
10 100k10k1k100
THD + N (%)
FREQUENCY (Hz)
R
L
= 3Ω + 7.5µH
1.2W
375mW
750mW
10752-111
Figure 11. THD + N vs. Frequency, PVDD = 3.6 V, R
L
= 3 Ω
100
10
1
0.1
0.01
0.001
10 100k10k1k100
THD + N (%)
FREQUENCY (Hz)
R
L
= 8Ω + 33µH
62.5mW
125mW
250mW
10752-112
Figure 12. THD + N vs. Frequency, PVDD = 2.5 V, R
L
= 8 Ω
100
10
1
0.1
0.01
0.001
10 100k10k1k100
THD + N (%)
FREQUENCY (Hz)
R
L
= 4Ω + 15µH
500mW
125mW
250mW
10752-113
Figure 13. THD + N vs. Frequency, PVDD = 2.5 V, R
L
= 4 Ω
100
10
1
0.1
0.01
0.001
10 100k10k1k100
THD + N (%)
FREQUENCY (Hz)
R
L
= 3Ω + 7.5µH
500mW
125mW
250mW
10752-114
Figure 14. THD + N vs. Frequency, PVDD = 2.5 V, R
L
= 3 Ω
SSM4321 Data Sheet
Rev. 0 | Page 10 of 24
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
2.5 5.04.0
4.53.53.0
QUIESCENT CURRENT (mA)
SUPPLY VOLTAGE (V)
NO LOAD
R
L
= 4Ω
R
L
= 8Ω
10752-115
Figure 15. Quiescent Current vs. PVDD Supply Voltage, ADC Sense Enabled
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
2.5 5.04.0
4.53.53.0
QUIESCENT CURRENT (mA)
SUPPLY VOLTAGE (V)
NO LOAD
R
L
= 4Ω
R
L
= 8Ω
10752-116
Figure 16. Quiescent Current vs. PVDD Supply Voltage, ADC Sense Disabled
2.0
1.5
1.0
0.5
0
2.5 5.04.0 4.53.53.0
OUTPUT POWER (W)
SUPPLY VOLTAGE (V)
THD + N = 1%
THD + N = 10%
R
L
= 8Ω + 33µH
10752-117
Figure 17. Maximum Output Power vs. PVDD Supply Voltage, R
L
= 8 Ω
3.0
2.5
2.0
1.0
1.5
0.5
0
2.5 5.04.0 4.53.53.0
OUTPUT POWER (W)
SUPPLY VOLTAGE (V)
THD + N = 1%
THD + N = 10%
R
L
= 4Ω + 15µH
10752-118
Figure 18. Maximum Output Power vs. PVDD Supply Voltage, R
L
= 4 Ω
4.0
3.5
3.0
2.5
2.0
1.0
1.5
0.5
0
2.5 5.04.0 4.53.53.0
OUTPUT POWER (W)
SUPPLY VOLTAGE (V)
THD + N = 1%
THD + N = 10%
R
L
= 3Ω + 7.5µH
10752-119
Figure 19. Maximum Output Power vs. PVDD Supply Voltage, R
L
= 3 Ω
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 3.01.5 2.0 2.51.00.5
SUPPLY CURRENT (A)
OUTPUT POWER (W)
R
L
= 8Ω + 33µH
PVDD = 2.5V
PVDD = 3.6V
PVDD = 5.0V
10752-120
Figure 20. Supply Current vs. Output Power into 8 Ω
Data Sheet SSM4321
Rev. 0 | Page 11 of 24
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 3.01.5 2.0 2.51.00.5
SUPPLY CURRENT (A)
OUTPUT POWER (W)
R
L
= 4Ω + 15µH
PVDD = 2.5V
PVDD = 3.6V
PVDD = 5.0V
10752-121
Figure 21. Supply Current vs. Output Power into 4 Ω
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 3.53.01.5 2.0 2.51.00.5
SUPPLY CURRENT (A)
OUTPUT POWER (W)
R
L
= 3Ω + 7.5µH
PVDD = 2.5V
PVDD = 3.6V
PVDD = 5.0V
10752-122
Figure 22. Supply Current vs. Output Power into 3 Ω
100
80
60
40
20
0
0 1.50.9 1.20.60.3
EFFICIENCY (%)
OUTPUT POWER (W)
R
L
= 8Ω + 33µH
PVDD = 2.5V
PVDD = 3.6V
PVDD = 5.0V
10752-123
Figure 23. Efficiency vs. Output Power into 8 Ω
100
80
60
40
20
0
0 2.82.42.01.2 1.60.80.4
EFFICIENCY (%)
OUTPUT POWER (W)
R
L
= 4Ω + 15µH
PVDD = 2.5V
PVDD = 3.6V
PVDD = 5.0V
10752-124
Figure 24. Efficiency vs. Output Power into 4 Ω
100
80
60
40
20
0
0 2.82.42.01.2 1.60.80.4
EFFICIENCY (%)
OUTPUT POWER (W)
R
L
= 3Ω + 7.5µH
PVDD = 2.5V
PVDD = 3.6V
PVDD = 5.0V
10752-125
Figure 25. Efficiency vs. Output Power into 3 Ω
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10 100k10k1k100
CMRR (dB)
FREQUENCY (Hz)
R
L
= 8Ω + 33µH
10752-126
Figure 26. Common-Mode Rejection Ratio (CMRR) vs. Frequency,
PVDD = 5 V, R
L
= 8 Ω
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25

SSM4321ACBZ-R7

Mfr. #:
Buy SSM4321ACBZ-R7
Manufacturer:
Analog Devices Inc.
Description:
Audio Amplifiers Mono 2.9W Class-D w/ Digital Crnt & Vout
Lifecycle:
New from this manufacturer.
Delivery:
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