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SSM2377ACBZ-R7
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P17
SSM2377
Rev. 0 | Page 9 of 16
100
10
1
0.1
0.01
0.001
10
100k
THD + N (
%)
FREQ
UENCY (Hz
)
100
1k
10k
V
DD
= 2.5V
GA
IN =
6
dB
R
L
= 8
Ω
+ 33µH
0.125W
0.25W
09824-0
15
0.0625W
Figure 15. THD + N vs. Frequen
cy, V
DD
= 2.5 V,
R
L
= 8 Ω, Gain
= 6 dB
100
10
1
0.1
0.01
0.001
10
100k
THD + N (
%)
FREQUENC
Y (Hz)
100
1k
10k
V
DD
= 2.
5V
GAIN
= 6dB
R
L
= 4
Ω
+ 15µH
0.125W
0.25W
0.5W
09824-017
Figure 16. THD + N vs. Frequen
cy, V
DD
= 2.5 V,
R
L
= 4 Ω, Gain
= 6 dB
2.5
3.0
3.5
4.0
4.5
5.0
5.5
QUI
ESCENT
CURRENT
(mA)
SUPPLY VOLTAGE (V)
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
GA
IN =
6
dB
NO L
OAD
R
L
= 4
Ω
+ 15µH
09824-019
R
L
= 8
Ω
+ 33µH
Figure 17. Quiesc
ent Current vs. Supp
ly Voltage,
Gain = 6 dB
100
10
1
0.1
0.01
0.001
10
100k
THD + N (
%)
FREQUENC
Y (Hz)
100
1k
10k
V
DD
= 2.
5V
GAIN
= 12
dB
R
L
= 8
Ω
+ 33µH
0.125W
0.25W
09824-0
16
0.0625W
Figure 18. THD + N vs. Frequen
cy, V
DD
= 2.5 V,
R
L
= 8 Ω, Gain
= 12 dB
100
10
1
0.1
0.01
0.001
10
100k
THD + N (
%)
FREQ
UENCY (Hz
)
100
1k
10k
V
DD
= 2.5V
GA
IN =
1
2dB
R
L
= 4
Ω
+ 15µH
0.125W
0.25W
0.5W
09824-018
Figure 19. THD + N vs. Frequen
cy, V
DD
= 2.5 V,
R
L
= 4 Ω, Gain
= 12 dB
2.5
3.0
3.5
4.0
4.5
5.0
5.5
QUI
ESCENT
CURRENT
(mA)
SUPPLY VOLTAGE (V)
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
GAIN
= 12
dB
NO L
OAD
R
L
= 4
Ω
+ 15µH
09824-020
R
L
= 8
Ω
+ 33µH
Figure 20. Quiesc
ent Current vs
. Supply Voltage,
Gain = 12 d
B
SSM2377
Rev. 0 | Page 10 of 16
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.5
3.
0
3.5
4.0
4.
5
5.0
OUTPU
T POWER
(W)
SUPPLY VOLTAGE (V)
f = 1k
Hz
GAIN
= 6dB
R
L
= 8
Ω
+ 33µH
THD +
N = 10%
THD + N =
1%
09824-021
Figure 21. Maxi
mum Output Pow
er vs. Supply V
oltage, R
L
= 8 Ω, Gain = 6 dB
3.5
2.0
2.5
3.0
1.5
1.0
0.5
0
2.5
3.
0
3.5
4.0
4.5
5.
0
OU
TPU
T POWE
R (W
)
SUPPLY VOLTAGE (V)
f = 1kHz
GAIN
= 6dB
R
L
= 4
Ω
+ 15µH
THD +
N = 10%
THD + N = 1%
09824-0
23
Figure 22. Maxi
mum Output Pow
er vs. Supply V
oltage, R
L
= 4 Ω, Gain = 6 dB
100
90
80
70
60
50
40
30
20
10
0
0
0
.
20
.
40
.
60
.
81
.
01
.
21
.
41
.
61
.
82
.
0
EFF
ICI
ENCY (
%)
OUTPU
T
POWER
(W)
V
DD
= 2.
5V
V
DD
= 3.
6V
V
DD
= 5V
R
L
= 8
Ω
+ 33
µH
GAIN
= 6dB
09824-025
Figure 23. Effic
iency vs. Outp
ut Power into 8
Ω, Gain = 6 dB
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.5
3.
0
3.5
4.0
4.5
5.
0
OUTPU
T POWER
(W)
SUP
PLY VOLTAGE (V
)
f = 1k
Hz
GAIN
= 12
dB
R
L
= 8
Ω
+ 33µH
THD + N =
10%
THD + N =
1%
09824-022
Figure 24. Maxi
mum Output Pow
er vs. Supply V
oltage, R
L
= 8 Ω, Gain
= 12 dB
3.5
2.0
2.5
3.0
1.5
1.0
0.5
0
2.5
3.
0
3.5
4.0
4.5
5.
0
OU
TPU
T POWE
R (W
)
SUPPLY VOLTAGE (V)
f = 1kHz
GAIN
= 12
dB
R
L
= 4
Ω
+ 15µH
THD +
N = 10%
THD + N = 1%
09824-0
24
Figure 25. Maxi
mum Output Pow
er vs. Supply V
oltage, R
L
= 4 Ω, Gain
= 12 dB
100
90
80
70
60
50
40
30
20
10
0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
2.0
2.2
EFF
ICI
ENCY (
%)
OUTPU
T
POWER
(W)
1.8
V
DD
= 2.5V
V
DD
= 3.6V
V
DD
= 5V
R
L
= 4
Ω
+ 15
µH
GAIN
= 6dB
09824-026
Figure 26. Effic
iency vs. Outp
ut Power into 4
Ω, Gain = 6 dB
SSM2377
Rev. 0 | Page 11 of 16
500
0
02
SUPPL
Y CURRENT
(mA)
OUT
PUT
POW
ER (W
)
50
100
150
200
250
300
400
0.2
0.4
0.
6
0.
8
1.
0
1.
2
1.
4
1
.6
1.8
.
0
0
0.
2
0.
4
0.6
0.
8
1.
0
1.2
1.
4
1.
6
2.0
2.
2
1.8
600
500
0
SUPPL
Y CURRENT
(mA)
OUT
PUT
POW
ER (W
)
100
200
300
400
V
DD
= 2.5V
V
DD
= 3.
6V
V
DD
= 5V
R
L
= 4
Ω
+ 15
µH
GAIN
= 6dB
09824-028
450
350
V
DD
= 2.
5V
V
DD
= 3.6V
V
DD
= 5V
R
L
= 8
Ω
+ 33
µH
GAIN
= 6dB
09824-027
Figure 27. Supply Curre
nt vs. Output Power into 8 Ω, G
ain = 6 dB
Figure 30. Supply Curre
nt vs. Output Power into 4 Ω, G
ain = 6 dB
0
10
100k
PSRR (d
B)
FREQ
UENCY (Hz
)
100
1k
10k
–90
–80
–70
–60
–50
–40
–30
–20
–10
V
DD
= 5V
R
L
= 8
Ω
+ 33µH
GAIN
= 12
dB
GAIN
= 6dB
09824-030
0
–100
10
100k
CMRR (dB)
FREQ
UENCY (Hz
)
100
1k
10k
–90
–80
–70
–60
–50
–40
–30
–20
–10
V
DD
= 5V
R
L
= 8
Ω
+ 33µH
GAI
N = 12d
B
GAIN
= 6dB
09824-029
Figure 28. Common-Mode Rejection Ratio
(CMRR) vs. Frequency
Figure 31. Power Supply Rejectio
n Ratio (PSRR) vs. Frequency
7
6
5
4
3
2
1
0
–1
–8
–4
36
32
28
24
20
16
12
8
4
0
VOLTAGE (V)
TIME (m
s)
SD
INPUT
OUTPU
T
09824-0
31
7
6
5
4
3
2
1
0
–50
–30
–10
10
30
50
70
VOLTAGE (V)
TIME
(µs
)
SD
INPUT
OUTPU
T
09824-0
32
Figure 29. Turn-On R
esponse
Figure 32. Turn-Off Response
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P17
SSM2377ACBZ-R7
Mfr. #:
Buy SSM2377ACBZ-R7
Manufacturer:
Analog Devices Inc.
Description:
Audio Amplifiers Filterless Hi Eff Mono 2.5 W Class-D
Lifecycle:
New from this manufacturer.
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