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参数资料
| 型号： | TS472IQT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1 CHANNEL, AUDIO PREAMPLIFIER, QCC24 |
| 封装： | 4 X 4 MM, LEAD FREE, QFN-24 |
| 文件页数： | 24/24页 |
| 文件大小： | 622K |
| 代理商： | TS472IQT |
TS472
Electrical characteristics
9/24
Figure 2.
Current consumption vs. power
supply voltage
Figure 3.
Current consumption vs. power
supply voltage
01
2
3
4
5
6
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Tamb=85°C
Tamb=25°C
Tamb=-40°C
No Loads
GS floating
C
u
rren
tC
o
n
s
umpti
o
n
(
m
A
)
Power Supply Voltage (V)
01
23
4
5
6
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Tamb=85°C
Tamb=25°C
Tamb=-40°C
No Loads
GS grounded
C
u
rren
tC
o
n
s
umpti
o
n
(
m
A
)
Power Supply Voltage (V)
Figure 4.
Current consumption vs. standby
voltage
Figure 5.
Current consumption vs. standby
voltage
01
234
5
0.0
0.5
1.0
1.5
2.0
2.5
Vcc=5V
Vcc=3V
No Loads
GS floating
Tamb = 25°C
C
u
rre
nt
C
o
ns
umpt
ion
(m
A)
Standby Voltage (V)
0123
45
0.0
0.5
1.0
1.5
2.0
2.5
Vcc=5V
Vcc=3V
No Loads
GS grounded
Tamb = 25°C
C
u
rre
nt
C
o
ns
umpt
ion
(m
A)
Standby Voltage (V)
Figure 6.
Standby threshold voltage vs.
power supply voltage
Figure 7.
Frequency response
345
0.0
0.2
0.4
0.6
0.8
1.0
No Loads
Tamb = 25°C
St
a
ndby
Treshold
Volta
g
e
(V)
Power Supply Voltage (V)
2.2
5.5
10
100
1000
10000
100000
-20
-10
0
10
20
30
C1,C2=220pF
C1,C2=100pF
Cin,Cout=10nF
Cin,Cout=100nF
no C1,C2
Cb=1
μF, T
AMB
=25
°C, Gain=20dB, Rout=100kΩ
PSRR
(dB)
Frequency (Hz)
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