參數(shù)資料
型號: TS2012IQT
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20
封裝: 4 X 4 MM, ROHS COMPLIANT, QFN-20
文件頁數(shù): 7/30頁
文件大?。?/td> 384K
代理商: TS2012IQT
TS2012
Electrical characteristics
15/30
Figure 4.
Current consumption vs. power
supply voltage
Figure 5.
Current consumption vs. standby
voltage (one channel)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
1
2
3
4
5
6
One channel ON
Both channels ON
T
AMB
=25°C
No Loads
Cur
rent
Consumption
(mA)
Power Supply Voltage (V)
01
23
45
0.0
0.5
1.0
1.5
2.0
2.5
V
CC
=3.6V
V
CC
=5V
No Load
T
AMB
=25°C
V
CC
=2.5V
Curr
ent
Consum
pt
ion
(
m
A)
Standby Voltage (V)
Figure 6.
Efficiency vs. output power
Figure 7.
Efficiency vs. output power
0.0
0.1
0.2
0.3
0.4
0.5
0
20
40
60
80
100
0
25
50
75
100
125
Vcc=2.5V
RL=4
Ω + 15μH
F=1kHz
THD+N
1%
Power
Dissipation
Efficiency
E
ff
ici
ency
(%
)
Output Power (W)
P
o
w
e
rD
iss
ipat
ion
(m
W
)
0.0
0.5
1.0
1.5
2.0
0
20
40
60
80
100
0
100
200
300
400
500
Vcc=5V
RL=4
Ω + 15μH
F=1kHz
THD+N
1%
Power
Dissipation
Efficiency
E
fficie
n
cy
(%)
Output Power (W)
Pow
e
rDissip
a
ti
on
(
m
W)
Figure 8.
Efficiency vs. output power
Figure 9.
Efficiency vs. output power
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0
20
40
60
80
100
0
10
20
30
40
50
Vcc=2.5V
RL=8
Ω + 15μH
F=1kHz
THD+N
1%
Power
Dissipation
Efficiency
Ef
fic
ien
cy
(%
)
Output Power (W)
P
o
w
e
rD
iss
ip
atio
n
(m
W
)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
20
40
60
80
100
0
40
80
120
160
200
Vcc=5V
RL=8
Ω + 15μH
F=1kHz
THD+N
1%
Power
Dissipation
Efficiency
Eff
icien
cy
(%)
Output Power (W)
P
o
w
e
r
D
is
s
ipa
tion
(mW
)
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