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: 4/24页
文件大小: 622K
代理商: TS472IQT
Electrical characteristics
TS472
12/24
Figure 20.
Maximum input voltage vs. gain,
THD+N<1%
Figure 21.
Maximum input voltage vs. power
supply voltage, THD+N<1%
0
10
203040
0
50
100
150
V
CC
=2.2V
T
AMB
=25°C
F=1kHz
THD+N<1%
Ma
xim
u
m
Inp
u
t
V
o
lt
ag
e
(mV
RM
S
)
Gain (dB)
V
CC
=5.5V
V
CC
=3V
345
0
20
40
60
80
100
120
140
Gain=20dB
Gain=0dB
T
AMB
=25°C, F=1kHz, THD+N<1%
M
axi
m
u
m
I
n
p
u
tV
o
lt
age
(mV
RM
S
)
Power Supply Voltage (V)
Gain=30dB
Gain=40dB
2.2
5.5
Figure 22.
THD+N vs. input voltage
Figure 23.
THD+N vs. input voltage
1E-3
0.01
0.1
0.01
0.1
1
10
GS=bias
GS grounded
Tamb=25°C, Vcc=3V, F=100Hz,
Cb=1
μF, RL=10kΩ , BW=100Hz-120kHz
T
HD+N
(
%
)
Input Voltage (V)
0.3
GS floating
1E-3
0.01
0.1
0.01
0.1
1
10
GS grounded
GS floating
GS=bias
Tamb=25°C, Vcc=5V, F=100Hz,
Cb=1
μF, RL=10kΩ , BW=100Hz-120kHz
T
HD+N
(
%
)
Input Voltage (V)
0.3
Figure 24.
THD+N vs. input voltage
Figure 25.
THD+N vs. input voltage
1E-3
0.01
0.1
0.01
0.1
1
10
GS grounded
GS=bias
Tamb=25°C, Vcc=3V, F=1kHz,
Cb=1
μF, RL=10kΩ , BW=100Hz-120kHz
T
HD+N
(
%
)
Input Voltage (V)
0.3
GS floating
1E-3
0.01
0.1
0.01
0.1
1
10
GS grounded
GS=bias
GS floating
Tamb=25°C, Vcc=5V, F=1kHz,
Cb=1
μF, RL=10kΩ , BW=100Hz-120kHz
T
HD+N
(
%
)
Input Voltage (V)
0.3
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