STMicroelectronics Pop-free 120 mW stereo headphone amplifier DEMOTS488S DEMOTS488S データシート
製品コード
DEMOTS488S
Electrical characteristics
TS488-TS489
10/32
Doc ID 11971 Rev 5
Figure 8.
Open-loop frequency response
Figure 9.
Open-loop frequency response
10
0
10
2
10
4
10
6
10
8
-75
-50
-25
0
25
50
75
100
125
-135
-90
-45
0
45
90
135
180
225
gain
phase
Vcc=2.5V
RL=32
RL=32
Ω
CL=400pF
T
T
AMB
=25°C
G
a
in
(
d
B
)
Frequency (Hz)
Ph
a
se
(°
)
10
0
10
2
10
4
10
6
10
8
-75
-50
-25
0
25
50
75
100
125
-135
-90
-45
0
45
90
135
180
225
gain
phase
Vcc=5V
RL=32
RL=32
Ω
CL=400pF
T
T
AMB
=25°C
G
a
in
(
d
B
)
Frequency (Hz)
Ph
a
se
(°
)
Figure 10.
Open-loop frequency response
Figure 11.
Open-loop frequency response
10
0
10
2
10
4
10
6
10
8
-75
-50
-25
0
25
50
75
100
125
-135
-90
-45
0
45
90
135
180
225
gain
phase
Vcc=2.5V
RL=600
RL=600
Ω
T
AMB
=25°C
G
a
in
(
d
B
)
Frequency (Hz)
Ph
a
se
(°
)
10
0
10
2
10
4
10
6
10
8
-75
-50
-25
0
25
50
75
100
125
-135
-90
-45
0
45
90
135
180
225
gain
phase
Vcc=5V
RL=600
RL=600
Ω
T
AMB
=25°C
G
a
in
(
d
B
)
Frequency (Hz)
Ph
a
se
(°
)
Figure 12.
Power derating curves
Figure 13.
Power derating curves
0
25
50
75
100
125
150
0.0
0.2
0.4
0.6
0.8
4-layer PCB
No Heat sink
MiniSO8
P
ack
ag
e
P
o
we
r D
iss
ip
at
io
n
(
W
)
Ambiant Temperature (
°
C)
0
25
50
75
100
125
150
0
1
2
3
4-layer PCB
DFN8
No heatsink
P
ack
ag
e Powe
r D
iss
ip
at
ion
(W)
Ambiant Temperature (
°
C)